CN117360636A - Work machine frame structure and work machine - Google Patents

Abstract

The invention relates to the field of working machinery and discloses a working machinery frame structure and a working machinery, wherein the working machinery frame structure comprises a main pump cabin frame, a post-treatment installation frame and a main pump cabin frame, wherein the post-treatment installation frame is installed in the upper space of the main pump cabin frame and is fixedly overlapped with the upper end of the main pump cabin frame; the radiator cabin frame is connected with the main pump cabin frame through oppositely arranged connecting beams, one end of each connecting beam is fastened with the top of the radiator cabin frame through a fastener, and the lap joint section of the post-treatment mounting frame is lapped on the other end of the connecting beam and is fastened through the fastener; the air filter cabin frame is detachably arranged on one side of the radiator cabin frame. The problems of difficult electrophoresis, difficult disassembly and assembly and difficult after-sales maintenance caused by oversized frame structure and limited electrophoresis Chi Checun of the existing working machinery are solved.

Description

Work machine frame structure and work machine

Technical Field

The invention relates to the technical field of working machines, in particular to a working machine frame structure and a working machine.

Background

The work machine frame is a main structure for carrying each module component, and has conventionally had the following problems: the size is oversized, electrophoresis Chi Checun is limited, and electrophoresis is difficult, disassembly and assembly are difficult, and after-sale maintenance is difficult.

Disclosure of Invention

In view of the above, the present invention provides a working machine frame structure and a working machine, so as to solve the problems of difficult electrophoresis, difficult disassembly and assembly and difficult after-sales maintenance caused by the oversized frame structure of the existing working machine and the limited electrophoresis Chi Checun.

In a first aspect, the present disclosure provides a work machine frame structure comprising:

the main pump cabin frame comprises a main pump cabin bracket and a post-treatment installation frame, wherein the post-treatment installation frame is installed in the upper space of the main pump cabin bracket and is fixedly connected to the upper end of the main pump cabin bracket in a lap joint mode, lap joint sections are respectively arranged on two opposite sides of the post-treatment installation frame, and the main pump cabin bracket is located in the lower space of the post-treatment installation frame to form a main pump cabin space;

the radiator cabin frame is connected with the main pump cabin frame through oppositely arranged connecting beams, one end of each connecting beam is fastened with the top of the radiator cabin frame through a fastener, and the lap joint section of the post-treatment mounting frame is lapped on the other end of each connecting beam and is fastened through the fastener;

and the air filter cabin frame is detachably arranged on one side of the radiator cabin frame.

The beneficial effects are that: according to the scheme, the operation machine frame structure is split into the main pump cabin frame, the radiator cabin frame and the air filter cabin frame, and the main pump cabin frame, the radiator cabin frame and the air filter cabin frame are assembled into the whole operation machine frame after being produced independently, so that electrophoresis can be performed on independent cabins respectively, and the size of the independent cabins is smaller and is within the size which can be born by an electrophoresis tank, so that electrophoresis operation can be performed by using the existing electrophoresis tank, and the electrophoresis is convenient and cost is controllable; after electrophoresis of each independent cabin, the cabin and the cabin can be assembled after all accessories needed by each cabin are assembled, so that the assembly efficiency is high, the condition that the existing operation machine frame needs to be transported to each assembly link to assemble the accessories is avoided, the transportation cost and the electrophoresis cost are saved, and the assembly beat is reduced.

Moreover, after main pump cabin frame and radiator cabin frame pass through the tie-beam assembly together, a pair of overlap joint section of aftertreatment mounting bracket overlap joint just at the upper surface of tie-beam and through the fastener fastening, when need carry out maintenance or change to the aftertreatment, only need twist off the fastener alright utilize lifting means to lift by crane the aftertreatment mounting bracket from main pump cabin support, lift by crane the instrument with aftertreatment replacement or after maintenance is accomplished and lift by crane the instrument with aftertreatment mounting bracket on the main pump cabin support, easy dismounting, aftertreatment maintenance and change are all convenient, compare in current operation machinery frame need dismantle the aftertreatment from inside alone and lead to wasting time and energy and compare, the operating efficiency promotes greatly, need not dismantle whole frame when selling after maintenance promptly, only dismantle the part that needs maintenance, maintenance efficiency has been improved.

In an alternative embodiment, the radiator module frame and the air filter module frame each comprise a plurality of upright posts, and the bottoms of the upright posts are provided with a plurality of positioning bolts;

the work machine frame structure further comprises a plurality of mounting supports, the mounting supports are suitable for being mounted on an underframe platform of the work machine, bolt mounting holes corresponding to the positioning bolts one by one are formed in the mounting supports, and the upright posts are joggled with the bolt mounting holes through the positioning bolts and are in positioning connection with the mounting supports and are fixed through welding.

The beneficial effects are that: through setting up a plurality of location bolts in the bottom of stand, set up the bolt mounting hole with location bolt one-to-one on the erection support, with erection support welding on the chassis platform of operating machine earlier, then aim at the bolt mounting hole with the location bolt of stand and realize both joggles to accomplish the preliminary location to the stand, then weld the bottom and the erection support of stand again, can guarantee the accuracy of stand installation, thereby improve the installation accuracy of whole operating machine frame.

In an alternative embodiment, the radiator module frame and the air filter module frame each further comprise a plurality of cross beams, and each cross beam is fastened to the top end of the upright by a fastener.

The beneficial effects are that: because the stand has accurate positioning, does not have accumulated the error, consequently only need during the crossbeam installation through fastener and the top fastening connection of stand can, simple to operate, efficient.

In an alternative embodiment, a side of the main pump cabin support, which faces the radiator cabin frame, is a partition installation side, a plurality of main pump cabin partitions are spliced on the partition installation side, a through hole for penetrating through the main pump pipeline is formed in the middle area of the partition installation side, and the shape of the through hole is matched with that of the main pump pipeline.

The beneficial effects are that: the main pump cabin is internally provided with power equipment such as a main pump and the like, larger noise is generated during working, the main pump cabin is separated from other cabins by arranging a main pump cabin partition board, only a through hole for a main pump pipeline to pass through is reserved, the shape of the through hole is matched with that of the main pump pipeline, the noise leakage can be avoided, and a good sound insulation effect is achieved. In addition, the adoption of the block type partition plate can reduce the assembly difficulty, the proper block type partition plate shape is selected for assembly according to the shape of the main pump pipeline, the assembly convenience of the partition plate is improved, and the disassembly and assembly are convenient.

In an alternative embodiment, the bottom of the main pump compartment bracket is provided with a pair of bottom plates which are arranged oppositely, the bottom plates are provided with mounting holes, and the bottom plates are suitable for being fixed on a chassis platform of the working machine through anti-loosening fasteners.

The beneficial effects are that: the bottom plate of main pump cabin support is fixed in on the chassis platform of operating machine through locking fastener, can play locking effect, because main pump cabin frame needs to install parts such as main pump, aftertreatment weight are great, and the gravity that itself bore is big, connects chassis platform of main pump cabin frame and operating machine through locking fastener, can effectively keep steadiness and the durability after the main pump cabin frame installs.

In an alternative embodiment, the anti-loosening fastener comprises a bolt, an anti-loosening sleeve, and a gasket, wherein the bolt is inserted through the anti-loosening sleeve and the gasket to fasten the bottom plate to a chassis platform of the work machine.

The beneficial effects are that: through setting up locking sleeve, can increase the distance between bolt head and the gasket to increase clamping force, locking sleeve is hollow structure, alleviates the atress of gasket on the one hand, avoids the bolt head directly to compress tightly the gasket and leads to the gasket to compress tightly after the long-term atress, and on the other hand can avoid long-term vibration and lead to the bolt not hard up.

In an alternative embodiment, two groups of mounting holes are formed in the bottom plate, one group of mounting holes are positioning round holes, the other group of mounting holes are oblong holes, the length direction of the oblong holes extends along the length direction of the bottom plate, and the aperture of the positioning round holes is matched with the screw diameter of a bolt connected with the positioning round holes.

The beneficial effects are that: the bolts penetrate through the positioning round holes and the positioning round holes to precisely position, so that the assembly precision of one side of the main pump cabin support, which is provided with the mounting round holes, and the underframe platform of the working machine can be guaranteed, and particularly, when the side of the main pump cabin support, which is provided with the mounting round holes, is required to be provided with the side door, the installation precision of the side door can be guaranteed. By arranging the other group of mounting holes as oblong holes, assembly tolerance can be eliminated, and the adjustment range can be increased, so that the bottom plate is smoothly mounted on the underframe platform of the working machine.

In an alternative embodiment, the post-treatment mounting frame comprises a supporting plate, supporting columns and mounting beams, wherein the supporting columns are arranged around the supporting plate at intervals, the mounting beams are connected with the tops of two adjacent supporting columns, the ends of one pair of the mounting beams extend along the length direction of the mounting beams to form the lap joint section, no mounting beam is arranged between the supporting columns corresponding to the lap joint section, and the mounting beams are suitable for being lapped on the top of the main pump cabin bracket and are fastened through fasteners; the support plate and the support column enclose a post-treatment placing space.

The beneficial effects are that: through do not establishing the installation roof beam between the support column that a pair of overlap joint section corresponds, form the opening, be convenient for place aftertreatment in placing the space from the opening part, aftertreatment mounting bracket simple structure in addition, through forming a pair of overlap joint section, can wholly overlap joint the aftertreatment mounting bracket and install after on main pump compartment support, wholly overlap joint with the tie-beam, be convenient for with the tie-beam dismouting to be convenient for carry out whole lifting by crane to the aftertreatment mounting bracket of carrying aftertreatment, carry out after-sales repair maintenance or change.

In an alternative embodiment, the side of the air filter cabin frame connected with the radiator cabin frame is provided with a door frame, a side door is installed at the door frame, an installation and adjustment mechanism is arranged at one side of the door frame, the side door is provided with a lock hook, the installation and adjustment mechanism comprises an adjustment bracket, a lock catch and a lock spring, the adjustment bracket is provided with a long round hole along the X direction, the adjustment bracket is installed on the side wall of the door frame through the long round hole along the X direction, the lock catch is provided with a long round hole along the Y direction, the lock catch is installed on the adjustment bracket through the long round hole along the Y direction, the lock spring is installed on the lock catch and extends along the Z direction, and the lock hook is suitable for being hooked on the lock spring to lock the side door.

The beneficial effects are that: through setting up the installation adjustment mechanism that can all be adjusted in six directions in space on the door frame to can satisfy the butt joint of side door installation back latch hook and locking spring, the position is adjusted conveniently, has reduced the installation degree of difficulty of side door.

In a second aspect, the present disclosure also provides a work machine comprising:

a chassis platform;

and the working machine frame structure is arranged on the underframe platform.

The beneficial effects are that: each frame unit of the frame structure of the working machine is produced independently, electrophoresis is carried out independently, the frame units are assembled and then assembled together, and then the frame units are integrally arranged on the underframe platform, so that the installation efficiency is high, the installation efficiency of the whole working machine can be improved, the transportation and electrophoresis costs are saved, and the assembly beat is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a work machine frame structure according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is an overall schematic view of the work machine frame structure of FIG. 1 mounted to an undercarriage platform;

FIG. 4 is an exploded view of a main pump bay frame in a work machine frame configuration in accordance with an embodiment of the present disclosure;

FIG. 5 is a schematic illustration of a pre-assembly of a post and mounting bracket in a work machine frame structure according to an embodiment of the present invention;

FIG. 6 is a schematic view of a mounting bracket according to an embodiment of the present invention;

FIG. 7 is an assembled schematic view of a main pump compartment baffle according to an embodiment of the present invention;

fig. 8 is a schematic structural view of a connection between a main pump cabin bracket and a bottom plate according to an embodiment of the present invention;

FIG. 9 is a schematic view of a main pump pod bracket of an embodiment of the present invention prior to assembly with a retainer fastener;

FIG. 10 is a schematic view of a main pump pod bracket of an embodiment of the present invention after assembly with a back plate and a check fastener;

fig. 11 is a schematic structural view of a door frame provided with an installation adjusting mechanism according to an embodiment of the present invention.

Reference numerals illustrate:

1. a work machine frame; 11. a main pump cabin frame; 111. a main pump cabin bracket; 112. post-processing mounting racks; 1121. a support plate; 1122. a support column; 1123. mounting a beam; 1124. a lap joint section; 113. a main pump compartment partition; 1131. a right upper partition; 1132. a right middle partition plate; 1133. a right lower partition; 1134. an upper left partition; 1135. a left lower partition; 114. post-treatment; 12. a radiator module frame; 13. an air filter cabin frame; 14. a connecting beam; 15. a column; 151. positioning a bolt; 16. a mounting support; 161. a bolt mounting hole; 17. a cross beam; 18. a locking fastener; 181. a bolt; 182. an anti-loose sleeve; 183. a gasket; 19. a bottom plate; 191. positioning the round hole; 192. a slotted hole; 20. a side door; 21. installing an adjusting mechanism; 211. adjusting the bracket; 212. locking; 213. a lock spring; 2. and a chassis platform.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

The existing working machine frames such as excavator frames are all of an integral frame structure formed by assembling and welding a plurality of cross beams and a plurality of longitudinal beams, and due to the fact that the integral frame is large, the size of the existing electrophoresis cell is limited during electrophoresis, and electrophoresis is difficult to finish smoothly. When a certain part in the integral frame structure needs to be maintained and replaced, the part needs to be gradually detached from the inside of the frame, for example, the redundant baffle is removed firstly, then the target part is detached, and then the target part is conveyed out, so that the detachment is very difficult.

In order to solve the above technical problems, an embodiment of the present invention is described below with reference to fig. 1 to 11.

In one aspect, the present disclosure provides a work machine frame structure 1, as shown in fig. 1-3, that generally includes a main pump compartment frame 11, a radiator compartment frame 12, and an air filter compartment frame 13.

Specifically, the main pump cabin frame 11 includes a main pump cabin bracket 111 and a post-treatment mounting rack 112, wherein an installation space is formed inside the main pump cabin bracket 111, post-treatment 114 is installed in the post-treatment mounting rack 112, the post-treatment mounting rack 112 is installed in an upper space of the main pump cabin bracket 111 and is lapped and fixed at the upper end of the main pump cabin bracket 111, that is, the upper part of the post-treatment mounting rack 112 is lapped at the top of the main pump cabin bracket 111 first and then fastened by a fastener; the opposite sides of the aftertreatment mounting frame 112 are respectively provided with overlapping sections 1124 extending to the side of the radiator module frame 12, and the space below the aftertreatment mounting frame 112 where the main pump module bracket 111 is located forms a main pump module space for mounting the main pump module. Thus, the main pump compartment frame 11 is divided into an upper layer for mounting the aftertreatment 114, such as an exhaust gas treatment device, and a lower layer for mounting the main pump compartment in which the main pump and accessories are mounted.

Specifically, the radiator module frame 12 and the main pump module frame 11 are connected by the oppositely disposed connecting beams 14, one end of the connecting beam 14 is fastened to the top of the radiator module frame 12 by fasteners, and the lap joint section 1124 of the post-treatment mounting frame 112 is overlapped on the other end of the connecting beam 14 and fastened by fasteners.

Specifically, the empty filter capsule frame 13 is detachably mounted to one side of the radiator capsule frame 12, and for example, it may be that the top cross member 17 of the empty filter capsule frame 13 is connected to the top cross member 17 of the empty filter capsule frame 13 by fasteners.

According to the embodiment, the working machine frame structure 1 is split into the main pump cabin frame 11, the radiator cabin frame 12 and the air filter cabin frame 13, and the main pump cabin frame 11, the radiator cabin frame 12 and the air filter cabin frame 13 are assembled into the whole working machine frame 1 after being produced independently, so that the independent cabins can be subjected to electrophoresis respectively, and the size of the independent cabins is smaller and is within the size which can be born by an electrophoresis tank, so that the electrophoresis operation can be performed by using the existing electrophoresis tank, and the electrophoresis is convenient and the cost is controllable; after electrophoresis of each independent cabin, the cabin and the cabin can be assembled after all accessories needed by each cabin are assembled, so that the assembly efficiency is high, the condition that the existing operation machine frame 1 needs to be transported to each assembly link to assemble the accessories is avoided, the transportation cost and the electrophoresis cost are saved, and the assembly beat is reduced.

Moreover, after the main pump cabin frame 11 and the radiator cabin frame 12 are assembled together through the connecting beam 14, the pair of overlapping sections 1124 of the post-treatment mounting frame 112 are just overlapped on the upper surface of the connecting beam 14 and fastened through fasteners, when the post-treatment 114 is required to be maintained or replaced, the post-treatment mounting frame 112 can be lifted from the main pump cabin bracket 111 by using a lifting tool only by screwing off the fasteners, the post-treatment 114 is replaced or the post-treatment mounting frame 112 is lifted onto the main pump cabin bracket 111 by using the lifting tool after the maintenance is finished, the assembly and the disassembly are convenient, the maintenance and the replacement of the post-treatment 114 are convenient, compared with the time and labor consumption caused by independently disassembling the post-treatment 114 from the inside of the traditional working machine frame 1, the working efficiency is greatly improved, namely the whole frame is not required to be disassembled during the after-sales maintenance, and the maintenance efficiency is improved by only disassembling the part required to be maintained.

It should be further noted that, the post-processing mounting frame 112 and the main pump cabin bracket 111 may be respectively sub-packaged, then the post-processing 114 is installed in the post-processing mounting frame 112, the main pump cabin is installed in the lower space of the main pump cabin bracket 111, and the main pump and the accessories are assembled in the main pump cabin, and then the sub-packaged main pump cabin is hoisted to the assembly main line, so that the assembly takt can be saved.

The air filter cabin frame 13 is used for installing an air filter cabin, and the air filter cabin is sub-packaged with an electric fuse box, a relay, a sponge and the like (components required by sub-packaging according to project requirements) firstly, and is hoisted to an assembly main line after sub-packaging, so that the assembly beat can be saved. Radiator module frame 12 is used to mount a radiator module for mounting a radiator and an engine module for mounting an engine.

After the main pump cabin frame 11, the radiator cabin frame 12 and the air filter cabin frame 13 are all hoisted on an assembly line, the main pump cabin frame, the radiator cabin frame and the air filter cabin frame are fixed with the underframe platform 2 of the working machine through bolts, and the cabins are fixed through connecting beams 14. The main pump compartment frame 11, the radiator compartment frame 12, and the air filter compartment frame 13 are integrally connected to form an L-like structure.

In a specific embodiment, as shown in fig. 5 and 6, the radiator module frame 12 and the air filter module frame 13 each include a plurality of columns 15, and the bottom of the columns 15 is provided with a plurality of positioning pins 151. Preferably, the plurality of positioning pins 151 are not arranged in a row, for example, are arranged in a triangle, a quadrangle, etc., so that positioning reliability and stability can be improved.

The working machine frame structure 1 further comprises a plurality of mounting supports 16, the mounting supports 16 are suitable for being mounted on the underframe platform 2 of the working machine, bolt mounting holes 161 corresponding to the positioning bolts 151 one by one are formed in the mounting supports 16, the upright posts 15 are joggled with the bolt mounting holes 161 through the positioning bolts 151 and are in positioning connection with the mounting supports 16, and the upright posts are fixed in a positioning manner through welding, namely spot welding or circumferential support positioning and one-circle welding at the bottoms of the upright posts 15, and the specific welding manner can be selected according to requirements and is not particularly limited. After the positioning pins 151 of the column 15 are inserted into the pin mounting holes 161 of the mounting bracket 16, the position of the column 15 is determined, the perpendicularity of the column 15 to the undercarriage platform 2 of the work machine is ensured, and the flatness of the mounting bracket 16 to the bottom surface of the column 15 is also ensured. Compared with the direct welding of the upright 15 and the undercarriage platform 2 of the working machine, the dimensional accuracy, the flatness and the verticality can be effectively ensured.

Therefore, through setting up a plurality of location bolts 151 in the bottom of stand 15, set up on the mount pad 16 with the bolt mounting hole 161 of location bolt 151 one-to-one, firstly weld the mount pad 16 on the chassis platform 2 of operation machinery, then aim at the bolt mounting hole 161 with the location bolt 151 of stand 15 and realize both joggles to accomplish the preliminary location to stand 15, then weld the bottom and the mount pad 16 of stand 15 again, can guarantee the accuracy, the planarization and the straightness that hangs down of stand 15 installation, thereby improve the installation accuracy of whole operation machinery frame 1.

In a specific embodiment, as illustrated in fig. 2 for cross members 17, radiator module frame 12 and air filter module frame 13 also each include a plurality of cross members 17, each cross member 17 being securely connected to the top ends of posts 15 by fasteners. Because the upright posts 15 are positioned accurately and no accumulated error exists, the cross beam 17 is installed by only being fastened and connected with the top ends of the upright posts 15 through fasteners, and the device is convenient to install and high in efficiency.

In a specific embodiment, as shown in fig. 7, a side of the main pump cabin support 111 facing the radiator cabin frame 12 is a partition mounting side, and a plurality of main pump cabin partitions 113 are spliced on the partition mounting side, and a via hole for passing through the main pump duct is enclosed in a middle area of the partition mounting side, and the shape of the via hole is adapted to the shape of the outer contour of the main pump duct.

Because power equipment such as main pump needs to be installed in the main pump cabin, the main pump cabin is separated from other cabins by arranging the main pump cabin partition board 113, only the through holes for the main pump pipelines to pass through are reserved, the shape of the through holes is matched with that of the main pump pipelines, the noise leakage can be avoided, and the sound insulation effect is good. In addition, the adoption of the block type partition plate can reduce the assembly difficulty, the proper block type partition plate shape is selected for assembly according to the shape of the main pump pipeline, the assembly convenience of the partition plate is improved, and the disassembly and assembly are convenient. The block type partition plates can be connected by bolts or screws, and adjacent block type partition plates can be partially overlapped, so that the screw connection is facilitated. As shown in fig. 7, the partition board is divided into an upper right partition board 1131, a middle right partition board 1132, a lower right partition board 1133, an upper left partition board 1134 and a lower left partition board 1135, so that the convenience of assembling and disassembling the partition boards is improved. In addition, the radiator module frame 12 is provided with a radiator module and an engine module, the engine module is positioned on one side close to the main pump module baffle 113, and a large amount of heat is generated during operation because the engine is arranged in the engine module, and the heat transfer of the engine module is reduced by arranging the main pump module baffle 113, so that the service lives of pipelines and components in the main pump module are prolonged; reduce the transmission of engine noise and meet the national standard requirements.

In a specific embodiment, as shown in fig. 8 to 10, the bottom of the main pump bay bracket 111 is provided with a pair of opposite bottom plates 19, the bottom plates 19 are provided with mounting holes, and the bottom plates 19 are adapted to be fixed to the undercarriage platform 2 of the working machine by means of locking fasteners 18.

The bottom of the main pump cabin bracket 111 is directly connected with the underframe platform 2 of the working machine by bolts 181, after long-term bearing, the bolts 181 are easy to loosen, and the bottom plate 19 of the main pump cabin bracket 111 of the embodiment is fixed on the underframe platform 2 of the working machine by the anti-loosening fastener 18, so that an anti-loosening effect can be achieved, as the main pump cabin frame 11 needs to be provided with parts with large weight such as a main pump and post-treatment 114, the self-bearing gravity is large, the main pump cabin frame 11 and the underframe platform 2 of the working machine are connected by the anti-loosening fastener 18, and the stability and durability of the main pump cabin frame 11 after being installed can be effectively maintained.

Specifically, the main pump compartment bracket 111 has four support posts, and one bottom plate 19 is provided at the bottom of each two support posts, forming a pair of bottom plates 19 that are provided in opposition, and by providing the bottom plates 19, the contact area of the main pump compartment bracket 111 with the undercarriage platform 2 of the work machine can be increased. The arrangement of the mounting holes is also facilitated.

In one particular embodiment, as shown in FIG. 9, the check fastener 18 includes a bolt 181, a check sleeve 182, and a washer 183, with the bolt 181 passing through the check sleeve 182 and washer 183 to secure the floor 19 to the undercarriage platform 2 of the work machine. Through setting up locking sleeve 182, can increase the distance between bolt 181 head and the gasket 183 to increase clamping force, locking sleeve 182 is hollow structure, alleviates the atress of gasket 183 on the one hand, avoids bolt 181 head direct compress tightly gasket 183 and leads to the gasket 183 to bear the weight of the back crushing for a long time, on the other hand can avoid long-term vibration and lead to bolt 181 not hard up. Specifically, nuts are prefabricated at positions of the underframe platform 2 of the working machine, which are opposite to the mounting holes, and bolts 181 pass through the anti-loosening sleeves 182 and the gaskets 183 and are screwed in the nuts of the underframe platform 2, so that fastening is realized, the anti-loosening sleeves 182 are clamped between the bolts 181 and the nuts, clamping force can be increased, and an anti-loosening effect is achieved.

In a specific embodiment, as shown in fig. 8, two groups of mounting holes are formed in the bottom plate 19, one group of mounting holes is a positioning round hole 191, the other group of mounting holes is a long round hole 192, the length direction of the long round hole 192 extends along the length direction of the bottom plate 19, and the aperture of the positioning round hole 191 is matched with the screw diameter of the bolt 181 connected with the positioning round hole 191, so that no shaking allowance can be ensured after the bolt 181 passes through the positioning round hole 191, and accurate positioning is realized.

In this embodiment, the bolts 181 pass through the positioning round holes 191 and the positioning round holes 191 to precisely position, so that the assembly precision of the side, provided with the positioning round holes 191, of the main pump cabin bracket 111 and the underframe platform 2 of the working machine can be ensured, and particularly, when the side, provided with the positioning round holes 191, of the main pump cabin bracket 111 needs to be provided with the side door 20, the installation precision of the side door 20 can be ensured. By providing the other set of mounting holes as oblong holes 192, assembly tolerances can be eliminated, increasing the adjustment range, and thus allowing the floor 19 to be smoothly mounted on the undercarriage platform 2 of the work machine.

In one specific embodiment, as shown in fig. 4, the post-treatment mounting frame 112 includes a support plate 1121, support columns 1122 arranged around the support plate 1121 at intervals, and a mounting beam 1123 connecting the tops of two adjacent support columns 1122, the mounting beam 1123 being arranged laterally and connecting the tops of two support columns 1122, wherein the ends of a pair of mounting beams 1123 extend along the length thereof to form an overlap section 1124, and no mounting beam 1123 is provided between the support columns 1122 corresponding to the overlap section 1124, the mounting beam 1123 being adapted to overlap the top of the main pump compartment bracket 111 and being fastened by a fastener; the support plate 1121 and the support columns 1122 enclose a placement space for the post-treatment 114.

In this embodiment, the mounting beam 1123 is not arranged between the support columns 1122 corresponding to the pair of overlapping sections 1124, so that an opening is formed, the post-treatment 114 is conveniently placed in the placing space from the opening, the post-treatment mounting frame 112 is simple in structure, and after the post-treatment mounting frame 112 is integrally and lapped and mounted on the main pump compartment bracket 111 by forming the pair of overlapping sections 1124, the post-treatment mounting frame 112 is integrally lapped with the connecting beam 14, so that the post-treatment mounting frame 112 carrying the post-treatment 114 is conveniently and integrally lifted, and the post-treatment mounting frame 112 is conveniently subjected to after-sales maintenance or replacement.

In a specific embodiment, the side of the air filter cabin frame 13 connected with the radiator cabin frame 12 is provided with a door frame, the door frame is provided with a side door 20, as shown in fig. 11, one side of the door frame is provided with a mounting adjusting mechanism 21, the side door 20 is provided with a lock hook, the mounting adjusting mechanism 21 comprises an adjusting bracket 211, a lock catch 212 and a lock spring 213, the adjusting bracket 211 is provided with a slotted hole along the X direction, the adjusting bracket 211 is arranged on the side wall of the door frame through the slotted hole along the X direction, the lock catch 212 is provided with a slotted hole along the Y direction, the lock catch 212 is arranged on the adjusting bracket 211 through the slotted hole along the Y direction, the lock spring 213 is arranged on the lock catch 212 and extends along the Z direction, and the lock hook is suitable for being hooked on the lock spring 213 to lock the side door 20.

It will be appreciated that X, Y and Z are three mutually perpendicular directions of the spatial coordinate system, as shown in fig. 11, the directions X, Y and Z are respectively labeled, and the present embodiment is intended to provide the installation adjustment mechanism 21 with six degrees of freedom of adjustment. Through setting up the installation adjustment mechanism 21 that can all be adjusted in six directions in space on the door frame to can satisfy the butt joint of side door 20 installation back latch hook and locking spring 213, the position is adjusted conveniently, has reduced the installation degree of difficulty of side door 20.

In addition to having a side door 20 between the air filtration compartment frame 13 and the radiator compartment frame 12, the side door 20 may be provided in other places of the work machine frame structure 1 as needed, and is not particularly limited herein.

In the above embodiments, the fasteners mentioned may be common bolts.

In another aspect, as shown in fig. 3, the present invention further provides a work machine, including:

the underframe platform 2 may be different for each vehicle type, and is not particularly limited herein.

The work machine frame structure 1, the work machine frame structure 1 is mounted on the underframe platform 2, and specifically, the work machine frame structure 1 can be assembled and welded.

Each frame unit of the frame structure 1 of the working machine is produced independently, electrophoresis is carried out independently, and the frame units are assembled and assembled together, and then the frame units are integrally arranged on the underframe platform 2, so that the installation efficiency is high, the installation efficiency of the whole working machine can be improved, the transportation and electrophoresis costs are saved, and the assembly beat is improved. Of course, the frame units may also be lifted onto the underframe platform 2 for assembly, and the specific process is not limited thereto.

The work machine of the present embodiment includes, but is not limited to, an excavator, a crane, a bucket truck, and the like.

Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.

Claims (10)

1. A work machine frame structure (1), comprising:

the main pump cabin frame (11) comprises a main pump cabin bracket (111) and a post-treatment installation frame (112), wherein the post-treatment installation frame (112) is installed in the upper space of the main pump cabin bracket (111) and is fixedly connected to the upper end of the main pump cabin bracket (111) in a lap joint mode, lap joint sections (1124) are respectively arranged on two opposite sides of the post-treatment installation frame (112), and the main pump cabin bracket (111) is located in the space below the post-treatment installation frame (112) to form a main pump cabin space;

the radiator cabin frame (12) is connected with the main pump cabin frame (11) through oppositely arranged connecting beams (14), one end of each connecting beam (14) is fastened with the top of the radiator cabin frame (12) through a fastener, and a lap joint section (1124) of the aftertreatment mounting frame (112) is lapped on the other end of each connecting beam (14) and is fastened through the fastener;

an air filter cabin frame (13) is detachably mounted on one side of the radiator cabin frame (12).

2. The work machine frame structure (1) according to claim 1, wherein the radiator module frame (12) and the air filter module frame (13) each comprise a plurality of upright posts (15), the bottom of the upright posts (15) being provided with a plurality of positioning pins (151);

the mounting support (16) is suitable for being mounted on an underframe platform (2) of the working machine, bolt mounting holes (161) corresponding to the positioning bolts (151) one by one are formed in the mounting support (16), and the upright posts (15) are joggled with the bolt mounting holes (161) through the positioning bolts (151) and are connected with the mounting support (16) in a positioning mode and are fixed through welding.

3. Work machine frame structure (1) according to claim 2, characterized in that the radiator module frame (12) and the air filter module frame (13) each further comprise a plurality of cross beams (17), each cross beam (17) being fastened to the top end of the upright (15) by means of a fastener.

4. A work machine frame structure (1) according to any one of claims 1-3, characterized in that the side of the main pump compartment bracket (111) facing the radiator compartment frame (12) is a partition mounting side, which is spliced with a number of main pump compartment partitions (113) and in the middle area of which a via hole for passing through the main pump conduit is enclosed, the via hole being shaped to fit the main pump conduit.

5. A work machine frame structure (1) according to any one of claims 1 to 3, characterized in that the bottom of the main pump compartment bracket (111) is provided with a pair of oppositely arranged bottom plates (19), the bottom plates (19) being provided with mounting holes, the bottom plates (19) being adapted to be fastened to the undercarriage platform (2) of the work machine by means of anti-loose fasteners (18).

6. The work machine frame structure (1) according to claim 5, wherein the anti-loosening fastener (18) comprises a bolt (181), an anti-loosening sleeve (182) and a washer (183), the bolt (181) being threaded through the anti-loosening sleeve (182) and the washer (183) to fasten the base plate (19) to a chassis platform (2) of the work machine.

7. The frame structure (1) of a working machine according to claim 6, wherein two groups of mounting holes are formed in the base plate (19), one group of mounting holes is a positioning round hole (191), the other group of mounting holes is a slotted hole (192), the length direction of the slotted hole (192) extends along the length direction of the base plate (19), and the aperture of the positioning round hole (191) is matched with the screw diameter of the bolt (181) connected with the positioning round hole.

8. A work machine frame structure (1) according to any one of claims 1 to 3, wherein the post-treatment mounting frame (112) comprises a support plate (1121) and support columns (1122) arranged around the support plate (1121) at intervals, and a mounting beam (1123) connecting the tops of two adjacent support columns (1122), wherein the ends of a pair of the mounting beams (1123) extend in the length direction thereof to form the overlap section (1124), and no mounting beam (1123) is provided between the support columns (1122) corresponding to the overlap section (1124), the mounting beams (1123) being adapted to overlap the tops of the main pump compartment brackets (111) and being fastened by fasteners; the support plate (1121) and the support column (1122) enclose a placement space for post-treatment (114).

9. A working machine frame structure (1) according to any one of claims 1-3, characterized in that the side of the air filter cabin frame (13) connected with the radiator cabin frame (12) is provided with a door frame, a side door (20) is installed at the door frame, one side of the door frame is provided with an installation adjusting mechanism (21), the side door (20) is provided with a lock hook, the installation adjusting mechanism (21) comprises an adjusting bracket (211), a lock catch (212) and a lock spring (213), the adjusting bracket (211) is provided with a slotted hole along the X direction, the adjusting bracket (211) is installed on the side wall of the door frame through the slotted hole along the X direction, the lock catch (212) is provided with a slotted hole along the Y direction, the lock catch (212) is installed on the adjusting bracket (211) through the slotted hole along the Y direction, the lock spring (213) is installed on the lock catch (212) and extends along the Z direction, and the lock hook is suitable for hooking on the lock spring (213) to lock the side door (20).

10. A work machine, comprising:

a chassis platform (2);

the work machine frame structure (1) of any one of claims 1 to 9, the work machine frame structure (1) being mounted on the undercarriage platform (2).