CN220905160U - Chassis of rock tunneling machine and rock tunneling machine - Google Patents
Chassis of rock tunneling machine and rock tunneling machine Download PDFInfo
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- CN220905160U CN220905160U CN202322858113.2U CN202322858113U CN220905160U CN 220905160 U CN220905160 U CN 220905160U CN 202322858113 U CN202322858113 U CN 202322858113U CN 220905160 U CN220905160 U CN 220905160U
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- 239000011435 rock Substances 0.000 title claims abstract description 83
- 230000005641 tunneling Effects 0.000 title claims abstract description 62
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 239000000428 dust Substances 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000000109 continuous material Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a chassis of a rock tunneling machine and the rock tunneling machine, wherein the rock tunneling machine comprises a front vehicle and a rear vehicle. The chassis comprises a front walking component, a rear walking component and a steering component. The front walking assembly comprises a first front crawler chassis and a second front crawler chassis which are arranged at the bottom of the front vehicle, and the rear walking assembly comprises a first rear crawler chassis and a second rear crawler chassis which are arranged at the bottom of the rear vehicle. The steering assembly comprises a connecting part and an adjusting part, the front vehicle and the rear vehicle are hinged through the connecting part, two ends of the adjusting part are respectively connected with the front vehicle and the rear vehicle, and the adjusting part is used for adjusting an included angle between the front vehicle and the rear vehicle when the heading machine turns. The utility model changes the walking assembly into four crawler-type which are distributed symmetrically as a whole, reduces the structural size and weight of the walking assembly and reduces the processing and manufacturing cost. According to the utility model, the connection between the front vehicle and the rear vehicle and the adjustment of the turning are realized through the steering rotating piece, so that the turning radius of the chassis of the heading machine is smaller, and the flexibility is higher.
Description
Technical Field
The utility model belongs to the technical field of rock tunneling machines, and particularly relates to a chassis of a rock tunneling machine and the rock tunneling machine.
Background
The rock tunneling machine is construction mechanical equipment integrating tunneling, walking, anchoring, transportation, dust removal and the like, and is suitable for tunneling ultra-low hard rock face tunnels. The chassis of the rock tunneling machine plays a vital role in the performance of the rock tunneling machine and the lifting of the working efficiency. As an important component of the whole machine of the rock tunneling machine, the chassis of the rock tunneling machine is used for supporting the weight of the whole machine, driving the whole machine to move forwards, backwards, climb and turn, and bearing impact load brought in the working process.
The size of the whole chassis of the heading machine is related to the size, weight and power of the whole machine. With the increase of the mechanization degree, the development of the tunneling equipment is more heavy, so that the weight and the volume of a chassis are designed to be larger for ensuring the working stability of most coal mine tunneling equipment. However, in the current coal mine roadway tunneling field, the whole machine chassis travelling part mostly adopts two crawler-type, the length of the two crawler-type chassis occupies a higher proportion of the whole vehicle length, the larger two crawler-type rock tunneling machine chassis not only can increase the difficulty of processing and manufacturing, but also occupies a larger space, the turning radius of the whole machine of the tunneling machine is larger, the effective rotation is difficult to realize in a narrow and complicated space, and the flexibility is poorer.
Therefore, there is a need for a development machine chassis that has a smaller structural volume, better flexibility, and a smaller turning radius.
Disclosure of utility model
First, the technical problem to be solved
The utility model provides a chassis of a rock tunneling machine and the rock tunneling machine, aiming at solving the problems of larger weight and volume of the chassis of the rock tunneling machine, larger occupied space, larger turning radius of the whole machine of the tunneling machine and poor flexibility in the prior art.
(II) technical scheme
In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:
A chassis of a rock tunneller, the rock tunneller comprising a front vehicle and a rear vehicle; the chassis comprises a front walking assembly, a rear walking assembly and a steering assembly;
The front walking assembly comprises a first front crawler chassis and a second front crawler chassis which are arranged at the bottom of the front vehicle; the rear walking assembly comprises a first rear crawler chassis and a second rear crawler chassis which are arranged at the bottom of the rear vehicle;
The steering assembly comprises a connecting part and an adjusting part; the front car and the rear car are hinged through the connecting part; the two ends of the adjusting part are respectively connected with the front vehicle and the rear vehicle, and the adjusting part is used for adjusting the included angle between the front vehicle and the rear vehicle when the rock tunneling machine turns.
The chassis of the rock tunnel boring machine as described above, preferably, the first front crawler chassis and the second front crawler chassis are connected with the front vehicle, respectively;
the first rear crawler chassis and the second rear crawler chassis are connected through a crawler connecting frame, and the crawler connecting frame is connected with the rear vehicle.
The chassis of the rock heading machine as described above, preferably, the first front crawler chassis, the second front crawler chassis, the first rear crawler chassis and the second rear crawler chassis each include an axial plunger variable motor, a speed reducer, a driving wheel, a bearing wheel, a guide wheel, a track shoe and a track frame;
The output end of the axial plunger variable motor is connected with the speed reducer, and the output end of the speed reducer is connected with the driving wheel; the driving wheel, the guide wheel and the bearing wheel are respectively meshed with the track shoe; the driving wheels and the guide wheels are respectively arranged at two ends of the crawler frame; the bearing wheel comprises at least one bearing wheel, and the bearing wheel is arranged between the driving wheel and the guide wheel;
The track shoe is arranged on the outer sides of the driving wheel, the guide wheel and the bearing wheel, and the track shoe and the track frame enable the first front track chassis, the second front track chassis, the first rear track chassis and the second rear track chassis to form a closed structure.
The chassis of the rock tunneling machine as described above, preferably, the first front track chassis, the second front track chassis, the first rear track chassis and the second rear track chassis further include a tensioning structure, the tensioning structure is fixedly disposed on the guide wheel, the tensioning structure includes a tensioning cylinder, a piston rod of the tensioning cylinder is connected with the track plate, and the tensioning cylinder adjusts the tensioning force on the first front track chassis, the second front track chassis, the first rear track chassis and the second rear track chassis through telescoping.
As described above, preferably, the connection part includes a first connection part and a second connection part respectively provided on the front vehicle and the rear vehicle, and the first connection part is centrally hinged with the second connection part through a pin shaft.
As described above, preferably, the adjusting part includes a first adjusting part and a second adjusting part, two ends of the first adjusting part are respectively connected with the front vehicle and the rear vehicle through pins, and the second adjusting part is respectively hinged with the front vehicle and the rear vehicle through pins;
The advancing direction of the rock tunneling machine is used as front and back, the advancing direction perpendicular to the rock tunneling machine is used as left and right, and the first adjusting part and the second adjusting part are symmetrically distributed on the left side and the right side of the connecting part.
Preferably, the first adjusting part is a first adjusting cylinder, and the second adjusting part is a second adjusting cylinder.
The utility model also provides a rock tunneller, which comprises the chassis.
The rock tunneling machine as described above, preferably, the front vehicle sequentially comprises a cutterhead, a loading device, a front tool rest, a supporting mechanism, a dust removing system and a supporting assembly from front to back;
the rear vehicle sequentially comprises a cab, an electric hydraulic system and a scraper machine from front to back;
and two ends of the steering assembly are respectively connected with the support assembly and the cab.
As described above, preferably, the support mechanism includes a body, a ground supporting cylinder, and a roof supporting cylinder; the ground supporting oil cylinder and the propping oil cylinder are respectively arranged on the body;
and two ends of the body are respectively hinged with the dust removing system and the front tool rest.
(III) beneficial effects
The beneficial effects of the utility model are as follows:
According to the utility model, the rock tunneling machine is arranged as the front vehicle and the rear vehicle, and the front traveling assembly and the rear traveling assembly are respectively arranged at the bottoms of the front vehicle and the rear vehicle, so that the traveling assemblies are changed into four crawler-type from two crawler-type in the prior art, the four crawler-type traveling assemblies are integrally and symmetrically distributed, the structural size and the weight of the traveling assemblies are greatly reduced, the processing and manufacturing cost is reduced, and the problem of overlarge and overweight chassis system under the ultra-long rock tunneling machine is solved.
The front vehicle and the rear vehicle are hinged through the connecting part in the steering assembly, and the included angle between the front vehicle and the rear vehicle in the turning process of the rock tunneling machine is adjusted through the adjusting part in the steering assembly. According to the utility model, the front vehicle and the rear vehicle are connected and the turning is adjusted through the steering rotating piece, so that the turning radius of the chassis of the heading machine is smaller, effective movement in a narrow and complicated space is facilitated, the flexibility is stronger, and the environment adaptability is stronger.
Drawings
FIG. 1 is a schematic view of the overall structure of a rock tunneller of the present utility model;
FIG. 2 is a schematic view of the structure of the front walking assembly of the present utility model;
FIG. 3 is a schematic view of the structure of the rear walking assembly of the present utility model;
FIG. 4 is a schematic view of a steering assembly according to the present utility model;
FIG. 5 is a schematic view of a supporting mechanism according to the present utility model;
Fig. 6 is a schematic view of the state of the rock tunnel boring machine in the present utility model when performing a turning motion.
[ Reference numerals description ]
1: A chassis; 2: a loading device; 3: a cutterhead; 4: a front tool rest; 5: a support mechanism; 6: a dust removal system; 7: a support assembly; 8: a cab; 9: an electro-hydraulic system; 10: a scraper machine;
11: a front walking assembly; 12: a rear walking assembly; 13: a steering assembly;
14: a first front crawler chassis; 15: a second front crawler chassis; 16: a first rear track chassis; 17: a second rear track chassis; 18: a track connecting frame;
19: an axial plunger variable displacement motor; 20: a speed reducer; 21: a driving wheel; 22: a bearing wheel; 23: a guide wheel; 24: track shoes; 25: a track frame; 26: a tensioning structure;
27: an adjusting part; 28: a connection part;
29: a ground supporting oil cylinder; 30: and (5) supporting the oil cylinder.
Detailed Description
The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings.
Example 1
As shown in fig. 1-6, the present embodiment provides a chassis for a rock tunnelling machine, wherein the rock tunnelling machine comprises a front vehicle and a rear vehicle. The chassis 1 comprises a front walking assembly 11, a rear walking assembly 12 and a steering assembly 13. The front running gear 11 comprises a first front crawler chassis 14 and a second front crawler chassis 15 arranged at the bottom of the front vehicle, and the rear running gear 12 comprises a first rear crawler chassis 16 and a second rear crawler chassis 17 arranged at the bottom of the rear vehicle, similar to the front running gear 11. The steering assembly 13 includes a connecting portion 28 and an adjusting portion 27. The front car and the rear car are hinged through a connecting part 28, two ends of an adjusting part 27 are respectively connected with the front car and the rear car, and the adjusting part 27 is used for adjusting an included angle between the front car and the rear car when the rock tunneling machine turns.
In this embodiment, the rock tunneling machine is configured as a front vehicle and a rear vehicle, and a front traveling assembly and a rear traveling assembly are respectively disposed at the bottoms of the front vehicle and the rear vehicle, the front traveling assembly includes a first front crawler chassis 14 and a second front crawler chassis 15 symmetrically disposed at the bottom of the front vehicle, the rear traveling assembly includes a first rear crawler chassis 16 and a second rear crawler chassis 17 symmetrically disposed at the bottom of the rear vehicle, the first front crawler chassis 14, the second front crawler chassis 15, the first rear crawler chassis 16 and the second rear crawler chassis 17 form a basic structure of a four-crawler rock tunneling machine chassis, and compared with the two crawler traveling assemblies in the prior art, the ratio of the chassis length of the four-crawler traveling assembly distributed integrally and symmetrically in this embodiment to the length of the whole rock tunneling machine is obviously reduced compared with the two crawler traveling assemblies, the structural size and the weight of the traveling assembly are greatly reduced, the manufacturing cost is reduced, and the problem of oversized and overweight under the ultra-long rock tunneling machine chassis system is solved.
Based on the reduction of the volume and the weight of the chassis of the rock tunneling machine, the embodiment also realizes the connection of the front vehicle and the rear vehicle through the steering rotating piece and the adjustment of the whole vehicle turning process of the rock tunneling machine, so that the turning radius of the chassis of the tunneling machine is smaller, the effective movement can be realized in a narrow and complicated space, and the flexibility is stronger. Specifically, the front vehicle and the rear vehicle of the embodiment are hinged through the connecting part in the steering assembly, and the included angle between the front vehicle and the rear vehicle in the turning process of the rock tunneling machine is adjusted through the adjusting part in the steering assembly.
Preferably, the first front crawler chassis 14 and the second front crawler chassis 15 are respectively matched with a spigot provided at a fixed position on the body of the front vehicle in a concave-convex manner, and are fastened and connected with the front vehicle by using bolts and the like, so as to ensure the connection strength of the front walking assembly and the front vehicle. In addition, the connecting mode can provide enough space arrangement for all functional components of the front vehicle of the rock tunneling machine when the height of the rock tunneling machine is fixed. The first rear crawler chassis 16 and the second rear crawler chassis 17 are integrally connected by a crawler connection frame 18, and the crawler connection frame 18 may be fixedly connected to the rear vehicle by a fixing bolt or the like. As shown in fig. 3, the first rear crawler chassis 16, the second rear crawler chassis 17 and the crawler connection frame 18 in this embodiment are integrally formed in an "i-shaped" welded structure, and the crawler connection frame 18 connects the 2 rear crawler chassis on both sides as a whole, which not only enhances the structural strength of the rear traveling assembly, but also provides sufficient space for the layout of the hydraulic pipeline.
In this embodiment, the first front crawler chassis 14, the second front crawler chassis 15, the first rear crawler chassis 16 and the second rear crawler chassis 17 have the same structure, and each adopts a four-wheel belt structure, as shown in fig. 2, and specifically includes an axial plunger variable motor 19, a speed reducer 20, a driving wheel 21, a bearing wheel 22, a guide wheel 23, a track shoe 24 and a track frame 25. The axial plunger variable motor 19 and the speed reducer 20 are used as power devices for outputting power to the driving wheel 21, the output end of the axial plunger variable motor 19 is connected with the speed reducer 20, and the output end of the speed reducer 20 is connected with the driving wheel 21. The driving wheel 21, the guide wheel 23 and the bearing wheel 22 are engaged with the track shoe 24, the driving wheel 21 and the guide wheel 23 are provided at both ends of the track frame 25, and the bearing wheel 22 includes at least one member, and is provided between the driving wheel 21 and the guide wheel 23. The function of the guide wheel 23 is to ensure the normal operation of the crawler belt and avoid the problems of deviation and the like. The track shoes 24 are disposed outside the driving wheels 21, the guide wheels 23 and the bearing wheels 22, and the track shoes 24 and the track frames 25 function to form a closed structure with the first front crawler chassis 14, the second front crawler chassis 15, the first rear crawler chassis 16 and the second rear crawler chassis 17, respectively, so as to protect the internal structure thereof from damage. The track frame 25 serves to support and fix the respective components of the first front track chassis 14, the second front track chassis 15, the first rear track chassis 16, and the second rear track chassis 17.
Further, the first front crawler 14, the second front crawler 15, the first rear crawler 16, and the second rear crawler 17 further include a tensioning structure 26 fixedly provided on the guide wheel 23 by bolts or the like. The tensioning structure 26 includes a tensioning cylinder, a piston rod of which is connected to the track shoe 24, and which adjusts the tensioning forces on the first front crawler 14, the second front crawler 15, the first rear crawler 16, and the second rear crawler 17 by telescoping. In the embodiment, the tensioning cylinder is used for controlling the tension of the track shoe 24, prolonging the service life of the chassis of the rock tunneling machine and ensuring the safety and stability of equipment operation.
In this embodiment, the first rear crawler chassis 16 and the second rear crawler chassis 17 have the same structural composition as the first front crawler chassis 14 and the second front crawler chassis 15, but slightly different in size and driving power from the first front crawler chassis 14 and the second front crawler chassis 15, and the size and driving power of the first rear crawler chassis 16 and the second rear crawler chassis 17 are smaller than those of the first front crawler chassis 14 and the second front crawler chassis 15, so that energy can be saved to the greatest extent and the volume can be reduced on the premise that the distribution characteristic of the rock development machine 'front vehicle weight and rear vehicle weight' is satisfied.
Preferably, the connecting portion 28 for connecting the front vehicle and the rear vehicle includes a first connecting portion and a second connecting portion respectively provided on the front vehicle and the rear vehicle, and the first connecting portion and the second connecting portion may be centrally hinged by a pin. The adjusting portion 27 includes a first adjusting portion and a second adjusting portion, wherein both ends of the first adjusting portion are respectively connected to the front vehicle and the rear vehicle through pins, and similarly, the second adjusting portion is respectively hinged to the front vehicle and the rear vehicle through pins. As shown in fig. 4, the first adjusting portion and the second adjusting portion are symmetrically arranged on the left and right sides of the connecting portion 28 with the straight line of the advancing direction of the rock tunnel boring machine as the front and back, and the direction perpendicular to the advancing direction of the rock tunnel boring machine as the left and right. In this embodiment, the first adjustment portion is preferably a first adjustment cylinder, and the second adjustment portion is preferably a second adjustment cylinder.
In the embodiment, the turning motion of the rock tunneling machine and the chassis of the rock tunneling machine is completed by the driving of the front walking assembly and the rear walking assembly and the relative motion adjustment of the steering assembly. Specifically, four crawler chassis in the front traveling assembly and the rear traveling assembly, the first front crawler chassis 14, the second front crawler chassis 15, the first rear crawler chassis 16 and the second rear crawler chassis 17 can be controlled independently according to requirements, and further, the change of the traveling directions of the front vehicle and the rear vehicle of the whole rock tunneling machine can be controlled through differential driving of the crawler on the left side and the right side. The steering assembly comprises an adjusting oil cylinder and a connecting part, wherein the two adjusting oil cylinders are connected through a pin shaft and are symmetrically arranged at the left side and the right side of the front car and the rear car. The first connecting part and the second connecting part arranged on the front car and the rear car are hinged through the pin shafts and used for completing the relative motion of the front car and the rear car and mainly bearing the bending torque generated during turning. The central hinged connection mode enables the ultra-long rock tunneling machine to have smaller turning radius, improves the flexibility of operation of the whole machine, is beneficial to realizing effective movement in a narrow and complicated space, and has stronger environment adaptability.
Example 2
As shown in fig. 1 and 6, the present embodiment provides a rock tunnel boring machine including the chassis of embodiment 1. The front vehicle in the rock tunneling machine sequentially comprises a cutter disc 3, a loading device 2, a front cutter frame 4, a supporting mechanism 5, a dust removing system 6 and a supporting assembly 7 from front to back, and the rear vehicle sequentially comprises a cab 8, an electric hydraulic system 9 and a scraper machine 10 from front to back. The two ends of a steering assembly 13 in the chassis of the rock tunneling machine are respectively connected with the supporting assembly 7 and the cab 8, so that the whole vehicle of the rock tunneling machine is connected.
In the above structure, the cutter head 3 is used for cutting materials, and the loading device 2 can advance along with the cutter head 3 to realize material loading. The front tool rest 4 is used for connecting the cutter head 3 with the machine body, and the dust removing system 6 is used for reducing dust and improving the working environment. The support assembly 7 is used for anchoring operation, and construction safety is improved. The cab 8 is used for personnel operation and monitoring the working of the whole machine and the external environment state. The function of the electro-hydraulic system 9 is to provide power and energy, and the scraper 10 is used for material transportation, together with the loading device 2, to achieve continuous material transport.
Compared with the prior art, the rock tunneling machine chassis in the embodiment has smaller mass and volume, reduces the processing and manufacturing cost, solves the problem of overlarge and overweight of a chassis system under an overlong complete machine, and improves the supporting mechanism 5 in order to ensure that the smaller chassis can stably run under an overlarge load. Specifically, as shown in fig. 5, the supporting mechanism 5 includes a body, a ground supporting cylinder 29 and a top supporting cylinder 30, the ground supporting cylinder 29 and the top supporting cylinder 30 are respectively disposed on the body, and two ends of the body are respectively hinged with the dust removing system 6 and the front tool rest 4.
When the rock tunneling machine breaks the rock, the ground supporting oil cylinder in the supporting mechanism stretches out to lift the front vehicle of the rock tunneling machine, the propping oil cylinder stretches out to prop the top of the roadway, the supporting of the whole machine of the rock tunneling machine is completed jointly, meanwhile, the vehicle body is fixed, so that huge impact force caused by rock breaking is borne, the problems of equipment overturning, slipping, sliding and the like caused by vibration are avoided, and the stability of the vehicle body is enhanced. And after the rock breaking operation is completed, the propping oil cylinder and the ground supporting oil cylinder are retracted. The front walking component supports the whole machine of the rock tunneling machine to walk, and the rear walking component is not a main bearing component and cannot be impacted during working. Therefore, the embodiment not only solves the bearing problem of the smaller chassis under the ultra-large load, has stronger stability, but also improves the construction safety of workers, and prolongs the service life of the chassis and the rock breaking capacity of the rock tunneling machine.
In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.
In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.
Claims (10)
1. A chassis of a rock tunneller, the rock tunneller comprising a front vehicle and a rear vehicle; the chassis (1) is characterized by comprising a front walking assembly (11), a rear walking assembly (12) and a steering assembly (13);
The front walking assembly (11) comprises a first front crawler chassis (14) and a second front crawler chassis (15) which are arranged at the bottom of the front vehicle; the rear walking assembly (12) comprises a first rear crawler chassis (16) and a second rear crawler chassis (17) which are arranged at the bottom of the rear vehicle;
The steering assembly (13) comprises a connecting part (28) and an adjusting part (27); the front vehicle and the rear vehicle are hinged through the connecting part (28); the two ends of the adjusting part (27) are respectively connected with the front vehicle and the rear vehicle, and the adjusting part (27) is used for adjusting the included angle between the front vehicle and the rear vehicle when the rock tunneling machine turns.
2. The chassis of a rock heading machine as claimed in claim 1, characterized in that the first front crawler chassis (14) and the second front crawler chassis (15) are each connected to the front vehicle;
The first rear crawler chassis (16) and the second rear crawler chassis (17) are connected through a crawler connecting frame (18), and the crawler connecting frame (18) is connected with the rear vehicle.
3. The chassis of a rock heading machine according to claim 1, characterized in that the first front crawler chassis (14), the second front crawler chassis (15), the first rear crawler chassis (16) and the second rear crawler chassis (17) each comprise an axial plunger variable motor (19), a speed reducer (20), a driving wheel (21), a bearing wheel (22), a guiding wheel (23), a track shoe (24) and a track frame (25);
The output end of the axial plunger variable motor (19) is connected with the speed reducer (20), and the output end of the speed reducer (20) is connected with the driving wheel (21); the driving wheel (21), the guide wheel (23) and the bearing wheel (22) are respectively meshed with the track shoe (24); the driving wheel (21) and the guide wheel (23) are respectively arranged at two ends of the crawler frame (25); the bearing wheel (22) comprises at least one bearing wheel, and is arranged between the driving wheel (21) and the guide wheel (23);
The track shoe (24) is arranged on the outer sides of the driving wheel (21), the guide wheel (23) and the bearing wheel (22), and the track shoe (24) and the track frame (25) enable the first front track chassis (14), the second front track chassis (15), the first rear track chassis (16) and the second rear track chassis (17) to form a closed structure.
4. A chassis of a rock heading machine as claimed in claim 3, characterized in that the first front track chassis (14), the second front track chassis (15), the first rear track chassis (16) and the second rear track chassis (17) further comprise a tensioning structure (26), the tensioning structure (26) being fixedly arranged on the guide wheel (23), the tensioning structure (26) comprising a tensioning cylinder, the piston rod of which is connected with the track shoe (24), the tensioning cylinder adjusting the tensioning forces on the first front track chassis (14), the second front track chassis (15), the first rear track chassis (16) and the second rear track chassis (17) by telescoping.
5. The chassis of a rock tunnelling machine as claimed in claim 1, characterised in that the connection (28) comprises a first connection and a second connection provided on the front and rear vehicles respectively, the first connection being centrally hinged to the second connection by a pin.
6. The chassis of a rock heading machine according to claim 1, characterized in that the adjustment part (27) comprises a first adjustment part and a second adjustment part, both ends of the first adjustment part are respectively connected with the front car and the rear car through pin shafts, and the second adjustment part is respectively hinged with the front car and the rear car through pin shafts;
The advancing direction of the rock tunneling machine is taken as front and back, the advancing direction perpendicular to the rock tunneling machine is taken as left and right, and the first adjusting part and the second adjusting part are symmetrically distributed on the left side and the right side of the connecting part (28).
7. The chassis of the rock drill according to claim 6, wherein the first adjustment portion is a first adjustment cylinder and the second adjustment portion is a second adjustment cylinder.
8. A rock tunneller characterised by comprising a chassis as claimed in any one of claims 1 to 7.
9. The rock heading machine of claim 8 characterized in that the front truck includes, in order from front to back, a cutterhead (3), a loading device (2), a front tool holder (4), a support mechanism (5), a dust removal system (6) and a support assembly (7);
The rear vehicle sequentially comprises a cab (8), an electro-hydraulic system (9) and a scraper machine (10) from front to back;
Both ends of the steering assembly (13) are respectively connected with the support assembly (7) and the cab (8).
10. The rock heading machine of claim 9 characterized in that the support mechanism (5) includes a body, a ground jack (29) and a roof jack (30); the ground supporting oil cylinder (29) and the propping oil cylinder (30) are respectively arranged on the body;
The two ends of the body are respectively hinged with the dust removing system (6) and the front tool rest (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858113.2U CN220905160U (en) | 2023-10-24 | 2023-10-24 | Chassis of rock tunneling machine and rock tunneling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322858113.2U CN220905160U (en) | 2023-10-24 | 2023-10-24 | Chassis of rock tunneling machine and rock tunneling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220905160U true CN220905160U (en) | 2024-05-07 |
Family
ID=90907841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322858113.2U Active CN220905160U (en) | 2023-10-24 | 2023-10-24 | Chassis of rock tunneling machine and rock tunneling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220905160U (en) |
-
2023
- 2023-10-24 CN CN202322858113.2U patent/CN220905160U/en active Active
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