CN217872777U

CN217872777U - Front-digging and rear-hoisting equipment

Info

Publication number: CN217872777U
Application number: CN202222344507.1U
Authority: CN
Inventors: 张希望; 史云龙; 南宁; 高杨; 周圣钧
Original assignee: Liaoning Xinfeng Mining Group Co ltd
Current assignee: Liaoning Xinfeng Mining Group Co ltd
Priority date: 2022-09-02
Filing date: 2022-09-02
Publication date: 2022-11-22
Anticipated expiration: 2032-09-02

Abstract

The utility model provides a pair of preceding back equipment of hanging that digs relates to mining exploitation equipment technical field to it is low to solve current mining exploitation equipment integration to a certain extent, and the operation needs frequent change equipment, influences the problem of operating efficiency and running cost. The utility model provides a front digging and rear hoisting device, which comprises a digging device, a shoveling and pushing device, a walking device, a hoisting device and an installation platform; the digging device and the lifting device are connected with the mounting platform and are oppositely arranged at two ends of the mounting platform, and the shoveling and pushing device is connected with the mounting platform and is positioned at one end of the mounting platform close to the digging device; the mounting platform is connected with the walking device to drive the mounting platform to move through the walking device.

Description

Front-digging and rear-hoisting equipment

Technical Field

The utility model belongs to the technical field of mining exploitation equipment accessory technique and specifically relates to a preceding back equipment of hanging of digging.

Background

The fully mechanized mining operation comprises the operations of excavation, material pushing shovel, material transfer, equipment entering and leaving, and the like, and different equipment is needed to be adopted for different working processes in the current stage, if excavation and mining are carried out, the equipment operation such as an excavator is needed to be carried out, the material or waste material is needed to be pushed, and when the equipment entering and assembling stand is disassembled, the pushing operation needs to be carried out through a crane.

Different equipment interfere with each other during operation, and especially in underground mining operation, the equipment is difficult to pass due to the narrow space in the roadway, so that the alternate operation of various equipment is not facilitated.

Therefore, it is desirable to provide a front-digging and rear-hanging apparatus to solve the problems of the prior art to some extent.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a preceding equipment of hanging of digging back to it is low to solve current mining exploitation equipment integrated level to a certain extent, and the operation needs frequent change equipment, influences the problem of operating efficiency and running cost.

The utility model provides a front digging and rear hoisting device, which comprises a digging device, a shoveling and pushing device, a walking device, a hoisting device and a mounting platform; the digging device and the lifting device are connected with the mounting platform and are oppositely arranged at two ends of the mounting platform, and the shoveling and pushing device is connected with the mounting platform and is positioned at one end of the mounting platform close to the digging device; the mounting platform is connected with the walking device so as to drive the mounting platform to move through the walking device.

The excavating device comprises a bucket assembly, a bucket rod assembly, a movable arm assembly and a rotary assembly; the bucket assembly is rotatably connected with one end of the bucket rod assembly, one end, far away from the bucket assembly, of the bucket rod assembly is rotatably connected with one end of the movable arm assembly, and one end, far away from the bucket rod assembly, of the movable arm assembly is connected with the rotating assembly.

Specifically, the bucket assembly comprises a bucket, a connecting seat, a first telescopic piece and a connecting rod component; the connecting seat is connected with the bucket, one end of the first telescopic piece is rotatably connected with one end of the bucket rod assembly, which is far away from the bucket assembly, the other end of the first telescopic piece is rotatably connected with the first position of the connecting rod member, the second position of the connecting rod member is rotatably connected with the connecting seat, the connecting seat is rotatably connected with one end of the bucket rod assembly, which is far away from the movable arm assembly, and the third position of the connecting rod member is rotatably connected with the bucket rod assembly; the bucket rod assembly comprises a bucket rod and a second telescopic piece, one end of the second telescopic piece is rotatably connected with the movable arm assembly, and the other end of the second telescopic piece is rotatably connected with one end, far away from the bucket, of the bucket rod; the movable arm assembly comprises a movable arm and a third telescopic piece, one end of the third telescopic piece is rotatably connected with the rotary assembly, the other end of the third telescopic piece is rotatably connected with the movable arm, one end of the movable arm is rotatably connected with the rotary assembly, and the other end of the movable arm is rotatably connected with the bucket rod.

Further, the rotary assembly comprises a front flange, a rear flange, a lower flange, a first rotary support, a rotary motor and a second rotary support; the front flange is connected with the first rotary support, the first rotary support is rotatably connected with the rear flange, one end of the rear flange is connected with one end of the lower flange, and a reinforcing rib plate is arranged between the rear flange and the lower flange; the rotary motor is arranged at one end, away from the rear flange, of the lower flange, the lower flange is arranged on the second rotary support, and the second rotary support is rotatably connected with the mounting platform.

The front-digging and rear-hoisting equipment provided by the utility model also comprises a supporting device, wherein the supporting device extends along the vertical direction and is arranged on the mounting platform; the supporting device comprises an outer box body, an inner box body and a fourth telescopic piece, wherein the inner box body is arranged in the outer box body, the fourth telescopic piece is arranged in the inner box body, one end of the fourth telescopic piece is connected with the bottom of the outer box body, and the other end of the fourth telescopic piece is connected with the top of the inner box body, so that the inner box body can reciprocate along the vertical direction relative to the outer box body through the stretching of the fourth telescopic piece.

Specifically, a clamping mechanism is arranged on the inner box body, the clamping mechanism extends along the vertical direction, and the clamping mechanism comprises a positioning cylinder and an adjusting piece; the adjusting piece is located in the positioning cylinder, and the inner diameter of the positioning cylinder can be reduced by the adjusting piece.

The hoisting device comprises a rotary arm mechanism, a hoisting arm mechanism, a connecting mechanism, a supporting mechanism, a pulley and a hoisting chain assembly; the rotary arm mechanism extends along the vertical direction, the lifting arm mechanism extends along the horizontal direction, one end of the lifting arm mechanism is rotatably connected with one end of the rotary arm mechanism, and two ends of the supporting mechanism are respectively connected with the lifting arm mechanism and the rotary arm mechanism; one end of the rotary arm mechanism, which is far away from the lifting arm mechanism, is connected with the connecting mechanism, and the connecting mechanism is rotatably connected with the mounting platform; the pulley set up in lifting arm mechanism keeps away from the one end of gyration arm mechanism, play to rise the chain subassembly and include fifth extensible member, lifting chain and holder, the one end of fifth extensible member with lifting arm mechanism's one end rotates and is connected, the other end with the lifting chain is connected, the one end of lifting chain is walked around the pulley setting, just the holder with play to rise the chain and keep away from the one end of fifth extensible member is connected.

Specifically, the rotary arm mechanism comprises a rotary arm and a first telescopic arm, one end of the rotary arm is connected with the connecting mechanism, and the first telescopic arm is arranged in the rotary arm and can be telescopic along the vertical direction; lifting arm mechanism includes the flexible arm of basic arm and second, the one end of basic arm with the one end of first flexible arm is rotated and is connected, the fifth extensible member set up in on the basic arm, the flexible arm of second set up in the basic arm, just the flexible arm of second can be relative the basic arm is flexible.

The walking device comprises a crawler belt assembly, a tensioning mechanism, a guide wheel, a driving mechanism, a riding wheel and a supporting wheel; the driving mechanism is connected with the driving wheel, the driving wheel and the guide wheel are located at two ends in the crawler assembly, the driving wheel, the guide wheel, the thrust wheel and the riding wheel are jointly made into the crawler assembly, and the tensioning mechanism is used for adjusting the tensioning degree of the crawler assembly.

Specifically, the front-digging and rear-hoisting equipment provided by the utility model also comprises a front cover, a rear cover and a traction hook mechanism; the front cover, the rear cover and the traction hook mechanism are connected with the mounting platform, the front cover is located at one end, close to the excavating device, of the mounting platform, the rear cover and the traction hook mechanism are located at one end, close to the lifting device, of the mounting platform, the rear cover is arranged on the mounting platform, and the traction hook mechanism is located on the side portion of the mounting platform.

Compared with the prior art, the utility model provides a preceding equipment of hanging after digging has following advantage:

the utility model provides a front digging and rear hoisting device, which comprises a digging device, a shoveling and pushing device, a walking device, a hoisting device and an installation platform; the digging device and the lifting device are connected with the mounting platform and are oppositely arranged at two ends of the mounting platform, and the shoveling and pushing device is connected with the mounting platform and is positioned at one end of the mounting platform close to the digging device; the mounting platform is connected with the walking device to drive the mounting platform to move through the walking device.

From this analysis can know, through connecting running gear on mounting platform to can realize the removal of whole equipment, and through further integrate excavating gear, push shovel device and hoisting accessory on mounting platform, so as to can excavate corresponding position through excavating gear, can push shovel to the material or waste material etc. that excavating gear excavated through pushing shovel device, and can also level ground through pushing shovel device.

Because hoisting accessory is connected with mounting platform in this application, consequently, can also carry out the operation of taking off and land to material or other equipment. In addition, the hoisting device and the excavating device are respectively positioned at two ends of the mounting platform, so that the excavating operation and the hoisting operation are not influenced mutually, and the excavating operation and the hoisting operation can be carried out simultaneously.

However, in order to keep the operation of the entire facility stable, the excavation work is normally suspended when the hoisting work is performed, and the hoisting work is suspended when the excavation work is performed. Taking underground operation as an example, when underground operation is carried out, the excavating device carries out excavating operation firstly, so that a moving channel is opened, along with forward excavation, certain supporting protection needs to be carried out behind the channel, so that excavation is stopped, after a corresponding supporting structure or other operation equipment is lifted and installed through the lifting device, the walking device drives the whole equipment to continue to advance, and the excavating device carries out excavation, so that line production can be formed, multiple pieces of equipment are not needed, the operation cost is reduced, and the operation efficiency 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 used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a front-digging and rear-hoisting device provided by an embodiment of the present invention;

fig. 2 is a schematic structural view of an excavating device in a front-excavating and rear-hoisting device provided by an embodiment of the present invention;

fig. 3 is a schematic structural view of a rotating assembly in the front-cutting rear-lifting equipment provided by the embodiment of the present invention;

fig. 4 is a schematic structural view of a supporting device in the front-cutting rear-lifting equipment provided by the embodiment of the present invention;

fig. 5 is a schematic structural view of a hoisting device in the front-digging and rear-hoisting equipment provided by the embodiment of the utility model;

fig. 6 is a schematic structural view of a traveling device in a front-digging and rear-hanging apparatus provided by the embodiment of the present invention.

In the figure: 1-an excavating device; 101-an excavator bucket; 102-a connecting socket; 103-a first telescopic member; 104-a link member; 1041-a first position; 1042 — a third position; 105-a stick; 106-a second telescoping piece; 107-a boom; 108-a third telescoping member; 109-a swivel assembly; 1091-a front flange; 1092-rear flange; 1093-a lower flange; 1094-a first slewing bearing; 1095-a rotary motor; 1096-a second slewing bearing; 1097-reinforcing plates; 2-a shoveling and pushing device; 3, a hoisting device; 301-a swivel arm; 302-a base arm; 303-a second telescopic arm; 304-a connection mechanism; 305-a fifth telescoping piece; 306-a support mechanism; 307-a pulley; 308-hoisting chain; 309-a clamp; 4-a walking device; 401-track shoe; 402-a track frame; 403-tensioning mechanism; 404-a guide wheel; 405-a drive wheel; 406-a drive mechanism; 407-riding wheel; 408-a thrust wheel; 5, mounting a platform; 501-a front cover; 502-rear cover; 503-a towing hook mechanism; 6-supporting the top device; 601-an outer box body; 602-an inner box; 603-a fourth telescoping member; 604-a positioning cylinder; 605-adjustment member.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or orientations or positional relationships that are conventionally placed when the products of the present invention are used, and are only used for convenience of description and simplification of the description, but do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the embodiments of the present application, it should also be noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As used herein, the term "and/or" includes any one of the associated listed items and any combination of any two or more of the items.

For ease of description, spatial relationship terms such as "above 8230 \8230; above", "upper", "above 8230 \8230; below" and "lower" may be used herein to describe the relationship of one element to another element as shown in the figures. Such spatial relationship terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures.

The terminology used herein is for the purpose of describing various examples only and is not intended to be limiting of the disclosure. The singular forms also are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" specify the presence of stated features, quantities, operations, elements, components, and/or combinations thereof, but do not preclude the presence or addition of one or more other features, quantities, operations, components, elements, and/or combinations thereof.

Variations from the shapes of the illustrations as a result, for example, of manufacturing techniques and/or tolerances, may be expected. Thus, the examples described herein are not limited to the particular shapes shown in the drawings, but include changes in shape that occur during manufacturing.

The features of the examples described herein may be combined in various ways that will be apparent after understanding the disclosure of this application. Further, while the examples described herein have a variety of configurations, other configurations are possible, as will be apparent after understanding the disclosure of the present application. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed in the present application.

As shown in fig. 1, the utility model provides a front digging and rear hoisting equipment, which comprises a digging device 1, a shoveling and pushing device 2, a walking device 4, a hoisting device 3 and a mounting platform 5; the excavating device 1 and the lifting device 3 are connected with the mounting platform 5 and are oppositely arranged at two ends of the mounting platform 5, and the shoveling and pushing device 2 is connected with the mounting platform 5 and is positioned at one end of the mounting platform 5 close to the excavating device 1; the mounting platform 5 is connected with the walking device 4, so that the walking device 4 drives the mounting platform 5 to move.

the utility model provides a preceding back lifting means that digs is through connecting running gear 4 on mounting platform 5 to can realize the removal of whole equipment, and through further integrate excavating gear 1 on mounting platform 5, push away shovel device and hoisting accessory 3, thereby can excavate corresponding position through excavating gear 1, can push away the shovel to the material or waste material etc. that excavating gear 1 excavated through pushing away the shovel device, and can also level and smooth ground through pushing away the shovel device.

Because hoisting accessory 3 is connected with mounting platform 5 in this application, consequently, can also carry out the operation of taking off and land to material or other equipment. In addition, since the hoisting device 3 and the excavating device 1 are respectively positioned at the two ends of the mounting platform 5, the excavating operation and the hoisting operation are not affected by each other, and the excavating operation and the hoisting operation can be simultaneously performed.

However, in order to keep the operation of the entire facility stable, the excavation operation is normally suspended during the hoisting operation, and the hoisting operation is suspended during the excavation operation. Taking underground operation as an example, when underground operation is performed, the excavating device 1 firstly performs excavating operation so as to open a moving channel, along with forward excavation, certain supporting protection is required to be performed behind the channel so as to stop excavation, after a corresponding supporting structure or other operation equipment is lifted and installed through the lifting device 3, the walking device 4 drives the whole equipment to continue advancing, and the excavating device 1 performs excavation, so that line production can be formed, a plurality of equipment is not required, the operation cost is reduced, and the operation efficiency is improved.

Alternatively, as shown in fig. 1 in conjunction with fig. 2, the excavating device 1 in the present application comprises an assembly of buckets 101, an assembly of arms 105, a boom assembly, and a swing assembly 109; the bucket 101 assembly is pivotally connected to one end of stick 105 assembly, the end of stick 105 assembly distal from the bucket 101 assembly is pivotally connected to one end of a boom assembly, and the end of the boom assembly distal from the stick 105 assembly is connected to a swing assembly 109.

As shown in fig. 2, the swing assembly 109 can drive the boom assembly to rotate along the axis of the swing assembly 109 in the horizontal direction, so that the working range of the excavating device 1 can be increased. In operation, the boom assembly is pivotable relative to the swing assembly 109, the stick 105 assembly is pivotable relative to the boom assembly, and the bucket 101 assembly is pivotable relative to the stick 105 assembly, thereby allowing the bucket 101 assembly to have a wider working space in coordination with the rotation of the swing assembly 109.

Preferably, as shown in fig. 2, the bucket 101 assembly of the present application includes a bucket 101, a connecting seat 102, a first telescopic member 103, and a link member 104; the connecting base 102 is connected with the bucket 101, one end of the first telescopic piece 103 is rotatably connected with one end of the arm 105 assembly far away from the bucket 101 assembly, the other end of the first telescopic piece 103 is rotatably connected with the first position 1041 of the connecting rod member 104, the second position of the connecting rod member 104 is rotatably connected with the connecting base 102, the connecting base 102 is rotatably connected with one end of the arm 105 assembly far away from the movable arm assembly, and the third position 1042 of the connecting rod member 104 is rotatably connected with the arm 105 assembly; the arm 105 assembly comprises an arm 105 and a second telescopic member 106, one end of the second telescopic member 106 is rotatably connected with the movable arm assembly, and the other end is rotatably connected with one end of the arm 105 far away from the bucket 101; the movable arm assembly comprises a movable arm 107 and a third telescopic piece 108, one end of the third telescopic piece 108 is rotatably connected with the rotary assembly 109, the other end of the third telescopic piece 108 is rotatably connected with the movable arm 107, one end of the movable arm 107 is rotatably connected with the rotary assembly 109, and the other end of the movable arm 107 is rotatably connected with the arm 105.

As shown in FIG. 2, bucket 101 is connected to linkage member 104 by means of a connecting base 102, and connecting base 102 has two connecting positions, one of which is pivotally connected to a second position (hidden in the figure) of linkage member 104 and the other of which is pivotally connected to the front end of stick 105. By pivotally connecting the extendable end of first extendable member 103 to first position 1041 of link member 104 and further pivotally connecting third position 1042 of link member 104 to arm 105, when first extendable member 103 is extended or retracted, bucket 101 can be driven by link member 104 to perform the excavating and stowing operations.

Since one end of second telescopic member 106 is connected to boom 107 and the telescopic end is rotatably connected to the end of stick 105 far from bucket 101 in this application, stick 105 can be driven to rotate relative to boom 107 when second telescopic member 106 is extended and retracted. On the other hand, the telescopic end of the third telescopic member 108 is rotatably connected to the boom 107, and the other end of the third telescopic member 108 is rotatably connected to the swing assembly 109, so that the boom 107 can be supported, and the boom 107 can be lifted and lowered to realize the excavation operation of the excavation device 1.

Optionally, as shown in fig. 1 in combination with fig. 3, the swivel assembly 109 in the present application includes a front flange 1091, a rear flange 1092, a lower flange 1093, a first swivel support 1094, a swivel motor 1095, and a second swivel support 1096; the front flange 1091 is connected with a first rotary support 1094, the first rotary support 1094 is rotatably connected with a rear flange 1092, one end of the rear flange 1092 is connected with one end of a lower flange 1093, and a reinforcing rib plate 1097 is arranged between the rear flange 1092 and the lower flange 1093; the rotary motor 1095 is disposed at one end of the lower flange 1093 away from the rear flange 1092, the lower flange 1093 is disposed on the second rotary support 1096, and the second rotary support 1096 is rotatably connected to the mounting platform 5.

The rear flange 1092 can provide a stable connection position for the first pivoting support 1094, and the front flange 1091 can provide a stable installation position for the boom assembly, and the rotation of the excavating device 1 can be realized by rotatably connecting the first pivoting support 1094 and the rear flange 1092, and the normal excavating operation of the excavating device 1 can be satisfied because the operation of the excavating device 1, that is, the excavating operation of the excavator bucket 101, needs to be performed from top to bottom or from left to right during the operation, and therefore, the rotation angle of the first pivoting support 1094 is ± 90 ° in the present application.

As shown in fig. 3, a reinforcing rib plate 1097 is arranged at a connecting position of the rear flange 1092 and the lower flange 1093, and the reinforcing rib plate 1097 is of a triangular structure, so that the connecting strength between the lower flange 1093 and the rear flange 1092 can be improved to a certain extent. It is understood that the rear flange 1092 is connected to the lower flange 1093 and the stiffener plate 1097 by welding.

Second slewing bearing 1096 rotates with mounting platform 5 in this application and is connected, and the rotation of second slewing bearing 1096 realizes the rotation of relative mounting platform 5 through slewing motor 1095. In practical applications, the second rotary support 1096 is connected to the rotary motor 1095 through a gear, so that the second rotary support 1096 can rotate relative to the mounting platform 5.

It should be added here that the rotation angle of the second rotary support 1096 is ± 90 ° in the present application.

As shown in fig. 1 and fig. 4, the front-digging and rear-lifting equipment provided by the present invention further comprises a supporting device 6, wherein the supporting device 6 extends along the vertical direction and is arranged on the mounting platform 5; the supporting device 6 comprises an outer box 601, an inner box 602 and a fourth telescopic member 603, wherein the inner box 602 is arranged inside the outer box 601, the fourth telescopic member 603 is arranged inside the inner box 602, one end of the fourth telescopic member 603 is connected with the bottom of the outer box 601, and the other end of the fourth telescopic member 603 is connected with the top of the inner box 602, so that the inner box 602 can reciprocate along the vertical direction relative to the outer box 601 through the telescopic action of the fourth telescopic member 603.

Use construction operation in the pit as an example, when the equipment of lifting by crane in the underworkings before digging that this application provided lifts by crane the operation, because the weight and the size of equipment in the pit are generally great usually, consequently, for guaranteeing the stability of whole equipment, this application is through setting up a device 6 on mounting platform 5, and make a device 6 extend along vertical direction, thereby can be through the ceiling looks butt in a device 6 and the tunnel of propping up, and then can realize digging the support of equipment of lifting by crane after digging before the whole, the realization is lifted by crane to the stability of borehole operation instrument.

Because the fourth extensible member 603 sets up the inside at inner box 602 in this application, inner box 602 sets up the inside at outer box 601, thereby can play protection to a certain extent to fourth extensible member 603, preferably, can arrange the track along vertical direction on outer box 601's the inner wall in this application, the outer wall of inner box 602 corresponds orbital position and can set up the rail wheel, thereby through rail wheel and orbital cooperation, can make the stable vertical direction reciprocating motion in edge of inner box 602 relative outer box 601 on the one hand, on the other hand, also can avoid inner box 602 to produce ascending rotation in circumference when the motion to a certain extent, improve the stability of fourth extensible member 603 operation.

When the roof supporting device 6 needs to be operated, the fourth expansion piece 603 is expanded, so that the inner box 602 can be driven to move towards the ceiling in the roadway relative to the outer box 601 until the outer wall surface at the top of the inner box 602 is abutted against the ceiling, and the supporting effect on the whole equipment is completed. When the front-digging and rear-hanging equipment needs to be moved, the fourth telescopic piece 603 contracts, so that the outer wall at the top of the inner box body 602 moves towards the direction far away from the fixed pump, and the movement of the whole equipment is realized.

Since the situation in the tunnel is complicated, the tunnel ceiling may be high, and the fourth extendable member 603 may not contact the ceiling with the outer wall surface of the top of the inner housing 602 even when extended to the limit. Therefore, in the present application, preferably, a clamping mechanism is disposed on the inner box 602, the clamping mechanism extends in a vertical direction, and the clamping mechanism includes a positioning cylinder 604 and an adjusting member 605; an adjustment member 605 is located within the positioning cylinder 604, and the adjustment member 605 is capable of reducing the inner diameter of the positioning cylinder 604.

It is understood that the positioning cylinder 604 in the present application has a cylindrical structure, and the adjusting element 605 may be a screw rod, and has an outer portion penetrating the wall of the positioning cylinder 604 along the radial direction of the positioning cylinder 604 and extending into the positioning cylinder 604. When the inner box 602 with a higher ceiling height can not contact with the ceiling, the extension column can be placed into the positioning cylinder 604, so that the supporting function of the whole device can be realized.

When the diameter of the extension column is smaller than the inner diameter of the positioning cylinder 604, one end of the adjusting piece 605 is continuously screwed into the positioning hole, so that the extension column can be limited by the abutting of the adjusting piece 605 and the extension column.

It should supplement the explanation here, the arc can still be connected to the one end that regulating part 605 stretched into a location section of thick bamboo 604 in this application, can laminate more with the outer wall of extension post on the one hand through the arc, and on the other hand, also can increase the area of contact with the extension post to can increase the spacing stability of extension post.

Alternatively, as shown in fig. 1 in conjunction with fig. 5, the hoisting device 3 comprises a slewing arm mechanism, a hoisting arm mechanism, a connecting mechanism 304, a supporting mechanism 306, a pulley 307 and a hoisting chain 308 assembly; the rotary arm mechanism extends along the vertical direction, the lifting arm mechanism extends along the horizontal direction, one end of the lifting arm mechanism is rotatably connected with one end of the rotary arm mechanism, and two ends of the supporting mechanism 306 are respectively connected with the lifting arm mechanism and the rotary arm mechanism; one end of the rotary arm mechanism, which is far away from the lifting arm mechanism, is connected with a connecting mechanism 304, and the connecting mechanism 304 is rotationally connected with the mounting platform 5; the pulley 307 is arranged at one end of the lifting arm mechanism far away from the slewing arm mechanism, the lifting chain 308 assembly comprises a fifth telescopic piece 305, a lifting chain 308 and a clamping piece 309, one end of the fifth telescopic piece 305 is rotatably connected with one end of the lifting arm mechanism, the other end of the fifth telescopic piece 305 is connected with the lifting chain 308, one end of the lifting chain 308 is arranged around the pulley 307, and the clamping piece 309 is connected with one end of the lifting chain 308 far away from the fifth telescopic piece 305.

The lifting device 3 can be rotatably connected with the mounting platform 5 through the connecting mechanism 304, and the rotating arm mechanism can enable the lifting arm mechanism and the connecting mechanism 304 to have a certain setting space in the vertical direction, so that the rotating angle range of the lifting arm mechanism can be enlarged.

Because be connected with supporting mechanism 306 between slewing arm mechanism and the lifting arm mechanism in this application, and supporting mechanism 306's both ends rotate with lifting arm mechanism and slewing arm mechanism respectively in this application and be connected, thereby can support lifting arm mechanism on the one hand through supporting mechanism 306, on the other hand, through the flexible of supporting mechanism 306, can realize lifting arm mechanism's relative slewing arm mechanism's the rising and falling, change lifting arm mechanism's angle to the horizontal direction, thereby can change the height of holder 309 that lifting chain 308 front end is connected, and then can realize treating the taking off and falling of mobile device.

It will be appreciated that since the hoist chain assembly in this application includes the fifth telescopic member 305, the level of the front end of the hoist chain can be changed by the extension and contraction of the fifth telescopic member 305. In the present application, the first extensible member 103, the second extensible member 106, the third extensible member 108, the fourth extensible member 603, the fifth extensible member 305 and the support mechanism 306 all adopt hydraulic cylinders, so that the functions of supporting and extending can be realized.

Preferably, the swing arm mechanism in the present application includes a swing arm 301 and a first telescopic arm, one end of the swing arm 301 is connected to the connection mechanism 304, and the first telescopic arm is disposed in the swing arm 301 and can be extended and retracted in a vertical direction; lifting arm mechanism includes basic arm 302 and the flexible arm 303 of second, and the one end of basic arm 302 is rotated with the one end of first flexible arm and is connected, and fifth extensible member 305 sets up on basic arm 302, and the flexible arm 303 of second sets up in basic arm 302, and the flexible arm 303 of second can stretch out and draw back relative basic arm 302.

The horizontal height of the lifting arm in the vertical direction can be changed through the extension and retraction of the first telescopic arm, so that the lifting range can be larger. By the second telescopic arm 303 connected with the base arm 302, the second telescopic arm 303 in the present application can be extended or retracted relative to the base arm 302, so that a larger coverage area can be provided.

It will be appreciated that when the second telescopic arm 303 is extended to the maximum extension and the extension of the fifth telescopic element 305 is 0 in the present application, the clamping element 309 at the front end of the hoist chain is located at the highest point in the case that the base arm 302 is kept in the horizontal state.

With the base arm 302 held in a horizontal state, when the second telescopic arm 303 is extended to the maximum displacement and the fifth telescopic member 305 is at the maximum displacement or the second telescopic arm 303 is contracted to the minimum displacement and the fifth telescopic member 305 is at the minimum displacement, the grip member 309 is at the lowest point from the ground.

Alternatively, as shown in fig. 1 and fig. 6, the walking device 4 includes a track assembly, a tensioning mechanism 403, a guide wheel 404, a driving wheel 405, a driving mechanism 406, a supporting wheel 407, and a supporting wheel 408; the driving mechanism 406 is connected with the driving wheel 405, the driving wheel 405 and the guide wheel 404 are located at two ends of the inside of the track assembly, the driving wheel 405, the guide wheel 404, the supporting wheel 408 and the riding wheel 407 are jointly made into the track assembly, and the tensioning mechanism 403 is used for adjusting the degree of tension of the track assembly.

The track assembly in this application includes track plate 401 and track support 402, can support leading wheel 404 and drive wheel 405 through track support 402, and can adjust the tight degree that rises of track assembly through tensioning mechanism 403. As shown in fig. 6, since the driving wheel 405 and the guide wheel 404 are located at two ends of the track assembly in the present application, in order to ensure the stability of the overall track plate 401, a plurality of riding wheels 407 and a plurality of thrust wheels 408 are further provided between the driving wheel 405 and the guide wheel 404 in the present application, and the riding wheels 407 and the thrust wheels 408 are provided at intervals along the length direction of the running gear 4, so that the track plate 401 can be supported, and the stable movement of the track assembly can be ensured to a certain extent.

It can be understood that, as shown in fig. 1, the front-digging and rear-lifting equipment provided by the present invention further comprises a front cover 501, a rear cover 502 and a towing hook mechanism 503; the front cover 501, the rear cover 502 and the towing hook mechanism 503 are all connected with the mounting platform 5, the front cover 501 is located at one end of the mounting platform 5 close to the excavating device 1, the rear cover 502 and the towing hook mechanism 503 are located at one end of the mounting platform 5 close to the lifting device 3, the rear cover 502 is arranged on the mounting platform 5, and the towing hook mechanism 503 is located at the side of the mounting platform 5.

Front shroud 501 is the excavator cockpit, can provide safe driving space for navigating mate, and back shroud 502 is the engine compartment, and power device, cooling device and control system isotructure among the preceding back lifting device that digs that this application provided all sets up in back shroud 502 to can play guard action and counter weight effect to a certain extent, guarantee the stability of whole equipment operation.

Preferably, the tail of the installation platform 5 is further connected with a towing hook mechanism 503, and the towing rope can be conveniently and quickly connected by the towing hook mechanism 503, so that the towing of the self equipment or other equipment can be realized.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A front digging and rear hoisting device is characterized by comprising a digging device, a shoveling and pushing device, a walking device, a hoisting device and a mounting platform;

the digging device and the lifting device are connected with the mounting platform and are oppositely arranged at two ends of the mounting platform, and the shoveling and pushing device is connected with the mounting platform and is positioned at one end of the mounting platform close to the digging device;

the mounting platform is connected with the walking device so as to drive the mounting platform to move through the walking device.

2. The forward and rearward excavation hoist apparatus of claim 1, wherein the excavation device includes a bucket assembly, a stick assembly, a boom assembly, and a swing assembly;

the bucket assembly is rotatably connected with one end of the bucket rod assembly, one end, far away from the bucket assembly, of the bucket rod assembly is rotatably connected with one end of the movable arm assembly, and one end, far away from the bucket rod assembly, of the movable arm assembly is connected with the rotating assembly.

3. The forward-cutting and rearward-lifting apparatus of claim 2, wherein the bucket assembly includes a bucket, a connecting seat, a first telescoping member, and a link member;

the connecting seat is connected with the bucket, one end of the first telescopic piece is rotatably connected with one end of the bucket rod assembly, which is far away from the bucket assembly, the other end of the first telescopic piece is rotatably connected with a first position of the connecting rod member, a second position of the connecting rod member is rotatably connected with the connecting seat, the connecting seat is rotatably connected with one end of the bucket rod assembly, which is far away from the movable arm assembly, and a third position of the connecting rod member is rotatably connected with the bucket rod assembly;

the bucket rod assembly comprises a bucket rod and a second telescopic piece, one end of the second telescopic piece is rotatably connected with the movable arm assembly, and the other end of the second telescopic piece is rotatably connected with one end, far away from the bucket, of the bucket rod;

the movable arm assembly comprises a movable arm and a third telescopic piece, one end of the third telescopic piece is rotatably connected with the rotary assembly, the other end of the third telescopic piece is rotatably connected with the movable arm, one end of the movable arm is rotatably connected with the rotary assembly, and the other end of the movable arm is rotatably connected with the bucket rod.

4. The forward excavation and rear lifting apparatus of claim 2, wherein the slewing assembly comprises a forward flange, a rear flange, a lower flange, a first slewing support, a slewing motor, and a second slewing support;

the front flange is connected with the first rotary support, the first rotary support is rotatably connected with the rear flange, one end of the rear flange is connected with one end of the lower flange, and a reinforcing rib plate is arranged between the rear flange and the lower flange;

the rotary motor is arranged at one end, far away from the rear flange, of the lower flange, the lower flange is arranged on the second rotary support, and the second rotary support is rotatably connected with the mounting platform.

5. The front-cutting and rear-lifting equipment as claimed in claim 1, further comprising a supporting device, wherein the supporting device extends in a vertical direction and is arranged on the mounting platform;

the supporting device comprises an outer box body, an inner box body and a fourth telescopic piece, wherein the inner box body is arranged in the outer box body, the fourth telescopic piece is arranged in the inner box body, one end of the fourth telescopic piece is connected with the bottom of the outer box body, and the other end of the fourth telescopic piece is connected with the top of the inner box body, so that the inner box body can reciprocate along the vertical direction relative to the outer box body through the stretching of the fourth telescopic piece.

6. The front-cutting and rear-lifting equipment as claimed in claim 5, wherein a clamping mechanism is arranged on the inner box body, the clamping mechanism extends in the vertical direction, and the clamping mechanism comprises a positioning cylinder and an adjusting piece;

the adjusting piece is located in the positioning cylinder, and the inner diameter of the positioning cylinder can be reduced by the adjusting piece.

7. The forward-cutting and backward-lifting apparatus according to claim 1, wherein the lifting device comprises a slewing arm mechanism, a lifting arm mechanism, a connecting mechanism, a supporting mechanism, a pulley, and a lifting chain assembly;

the rotary arm mechanism extends along the vertical direction, the lifting arm mechanism extends along the horizontal direction, one end of the lifting arm mechanism is rotatably connected with one end of the rotary arm mechanism, and two ends of the supporting mechanism are respectively connected with the lifting arm mechanism and the rotary arm mechanism;

one end of the rotary arm mechanism, which is far away from the lifting arm mechanism, is connected with the connecting mechanism, and the connecting mechanism is rotatably connected with the mounting platform;

the pulley set up in lifting arm mechanism keeps away from the one end of gyration arm mechanism, play to rise the chain subassembly and include fifth extensible member, lifting chain and holder, the one end of fifth extensible member with lifting arm mechanism's one end rotates and is connected, the other end with the lifting chain is connected, the one end of lifting chain is walked around the pulley setting, just the holder with play to rise the chain and keep away from the one end of fifth extensible member is connected.

8. The front-cutting and rear-lifting equipment as claimed in claim 7, wherein the rotary arm mechanism comprises a rotary arm and a first telescopic arm, one end of the rotary arm is connected with the connecting mechanism, and the first telescopic arm is arranged in the rotary arm and can be stretched and retracted in the vertical direction;

lifting arm mechanism includes the flexible arm of basic arm and second, the one end of basic arm with the one end of first flexible arm is rotated and is connected, the fifth extensible member set up in on the basic arm, the flexible arm of second set up in the basic arm, just the flexible arm of second can be relative the basic arm is flexible.

9. The front-cutting and rear-lifting equipment as claimed in claim 1, wherein the walking device comprises a track assembly, a tensioning mechanism, a guide wheel, a driving mechanism, a supporting wheel and a supporting wheel;

the driving mechanism is connected with the driving wheel, the driving wheel and the guide wheel are located at two ends in the crawler assembly, the driving wheel, the guide wheel, the thrust wheel and the riding wheel are jointly made into the crawler assembly, and the tensioning mechanism is used for adjusting the tensioning degree of the crawler assembly.

10. The forward-cutting and backward-lifting apparatus according to claim 1, further comprising a front cover, a rear cover, and a towing hook mechanism;

the front cover, the rear cover and the traction hook mechanism are connected with the mounting platform, the front cover is located at one end, close to the excavating device, of the mounting platform, the rear cover and the traction hook mechanism are located at one end, close to the lifting device, of the mounting platform, the rear cover is arranged on the mounting platform, and the traction hook mechanism is located on the side portion of the mounting platform.