CN216515791U

CN216515791U - Contact net foundation ditch excavating gear based on railcar

Info

Publication number: CN216515791U
Application number: CN202123101319.8U
Authority: CN
Inventors: 王喜全; 冯晓涛; 赵俊毅; 靳林倩; 单志伟; 李乐; 于玉轮; 郭小华; 余泽水
Original assignee: China Railway 25th Bureau Group Co Ltd; Electric Engineering Co Ltd of China Railway 25th Bureau Group Co Ltd
Current assignee: China Railway 25th Bureau Group Co Ltd; Electric Engineering Co Ltd of China Railway 25th Bureau Group Co Ltd
Priority date: 2021-12-06
Filing date: 2021-12-06
Publication date: 2022-05-13
Anticipated expiration: 2031-12-06

Abstract

The utility model relates to a contact net foundation pit excavating device based on a rail car, which comprises an excavator arranged on the rail car, wherein one side, away from a large arm of the excavator, of a small arm of the excavator is hinged with a connector, the bottom of the connector is fixedly connected with a fixing box, an inner cavity of the fixing box is provided with a replacing mechanism, and the bottom of the fixing box is provided with a bucket matched with the replacing mechanism for use. The rapid transfer of the excavator along the track is realized through the rail car, and the construction of a contact net foundation pit beside the track can be efficiently carried out; through setting up the change mechanism, it is spacing to carry out the chucking by a locking section of thick bamboo to the erection column earlier, and the mount pad provides the channel source as fixed stay by double-end cylinder, and the solenoid valve carries out synchronous command control to double-end cylinder to through the locking seat with locking pole and locking piece synchronous insertion or break away from locking hole and locking inslot, reach the purpose of carrying out quick assembly disassembly to the erection column, thereby can carry out quick assembly disassembly change operation to the scraper bowl.

Description

Contact net foundation ditch excavating gear based on railcar

Technical Field

The utility model relates to the field of rail construction equipment, in particular to a contact net foundation pit excavating device based on a rail car.

Background

The construction skylight point is determined according to the actual condition of the energy expansion reconstruction construction of the contact network, the time length of the skylight point is short, and the construction requirement on the contact network foundation support is high. Wherein the excavation of contact net pillar foundation ditch is consuming time and consuming labour great, traditional excavating gear is at the excavation in-process to contact net foundation ditch, the space size of putting up the position according to the contact net is different, need to change different excavation bucket models, it is mostly comparatively loaded down with trivial details among the scraper bowl change process, need use multiple instrument to consume the longer time and change the scraper bowl, can not dismantle the change fast to the scraper bowl, when reducing the change efficiency of scraper bowl, also prolong the excavation of contact net foundation ditch during, excavating equipment still need transport at a plurality of construction points simultaneously, directly drag whole construction engineering progress of railcar.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems, and provides a contact net foundation pit excavating device based on a rail car, which solves the problems that in the excavating process of a contact net foundation pit of the traditional excavating device, different excavating bucket models need to be replaced according to different spaces of contact net building positions, most of the excavating buckets are complicated in the bucket replacing process, a plurality of tools are used for consuming longer time to replace the buckets, and the buckets cannot be rapidly disassembled and replaced.

The utility model achieves the purpose through the following technical scheme, and the contact net foundation pit excavating device based on the rail car comprises an excavator arranged on the rail car, wherein one side, away from a large arm of the excavator, of a small arm of the excavator is hinged with a connector, the bottom of the connector is fixedly connected with a fixed box, an inner cavity of the fixed box is provided with a replacing mechanism, and the bottom of the fixed box is provided with a bucket matched with the replacing mechanism for use. The railcar adopt the railcar that matches the track model can, the excavator includes the track, the track one side in opposite directions is provided with the chassis, the fixedly connected with pivot is located at the center at chassis top, the top fixedly connected with revolving stage of pivot, the back fixedly connected with driver's cabin at revolving stage top, the fixedly connected with base is located at the center at revolving stage top, one side that the revolving stage was kept away from to the base articulates there is the big arm of excavator, one side that the base was kept away from to the big arm of excavator articulates there is the excavator forearm.

Preferably, it includes a locking section of thick bamboo to change the mechanism, a locking section of thick bamboo is fixed in the both sides at fixed incasement chamber top, the inner chamber of a locking section of thick bamboo is provided with the bottom of erection column and the top fixed connection of scraper bowl, a locking hole and a locking section of thick bamboo and erection column center department in opposite directions have all been seted up all around to a locking section of thick bamboo and erection column in opposite directions has seted up the locking groove, the bottom fixedly connected with double-end cylinder of fixedly connected with mount pad and mount pad is located to the center at fixed incasement chamber top, double-end cylinder's fixed surface is connected with solenoid valve and double-end cylinder's piston rod fixedly connected with and locking seat that the cooperation of a locking section of thick bamboo was used, the locking seat is close to equal fixedly connected with all around a locking section of thick bamboo and locking hole and locking groove joint complex locking pole and locking piece.

Preferably, the locking hole and the locking pole are distributed in a triangular symmetrical state along the center of the double-head cylinder, and the locking groove and the locking block are all arranged in an equilateral triangle shape.

Preferably, the top of the inner cavity of the locking barrel is provided with a limiting groove, the inner cavity of the limiting groove is clamped with a limiting head, and the bottom of the limiting head is fixedly connected with the top of the mounting column.

Preferably, all vertical fixedly connected with all around the scraper bowl top is with the reference column that fixed case cooperation was used, the inner chamber threaded connection that the location thread groove and location thread groove were seted up at the top of reference column inner chamber has positioning bolt, positioning bolt is located the outside of connector.

Preferably, both sides of the inner cavity of the bucket are fixedly connected with mud guide blocks, and the lengths of the mud guide blocks are distributed in a descending state from bottom to top in sequence.

The utility model has the beneficial effects that: through setting up the change mechanism, it is spacing to carry out the chucking by a locking section of thick bamboo to the erection column earlier, the mount pad is as fixed stay, provide the channel source by double-end cylinder, the solenoid valve carries out synchronous instruction control to double-end cylinder, thereby insert or break away from locking hole and locking inslot with locking pole and locking piece synchronization through the locking seat, reach the purpose of carrying out quick assembly disassembly to the erection column, thereby can carry out quick assembly disassembly change operation to the scraper bowl, shorten the dismouting change man-hour of scraper bowl greatly, improve the dismouting change efficiency of different specification model scraper bowls, satisfy the normal excavation work demand under the different ring space environment, realize the excavator along orbital fast transportation through the railcar, can be high-efficient to the other contact net foundation pit construction of track side.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a structural cross-sectional view of the holding box of the present invention;

FIG. 3 is a front view of the change mechanism of the present invention;

FIG. 4 is a side view of the construction of the bucket of the present invention.

In the figure: 1. a rail car; 2. an excavator moving mechanism; 3. a rotating shaft; 4. a rotating table; 5. a cab; 6. a base; 7. a large arm of an excavator; 8. a small arm of the excavator; 9. a connector; 10. a fixed box; 11. a mechanism is replaced; 111. a locking barrel; 112. mounting a column; 113. a locking hole; 114. a locking groove; 115. a mounting seat; 116. a double-ended cylinder; 117. an electromagnetic valve; 118. a locking seat; 119. a lock lever; 1110. a locking block; 12. a bucket; 13. a positioning column; 14. positioning a thread groove; 15. positioning the bolt; 16. a limiting head.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the specific implementation: as shown in figures 1-4, a contact net foundation pit excavating device based on a rail car comprises an excavator arranged on the rail car 1, the excavator comprises an excavator moving mechanism 2 consisting of a track and a chassis, a rotating shaft 3 is fixedly connected at the center of the top of the chassis, a rotating platform 4 is fixedly connected at the top of the rotating shaft 3, a cab 5 is fixedly connected at the back of the top of the rotating platform 4, a base 6 is fixedly connected at the center of the top of the rotating platform 4, an excavator big arm 7 is hinged at one side of the base 6 far away from the rotating platform 4, an excavator small arm 8 is hinged at one side of the excavator big arm 7 far away from the base 6, a connector 9 is hinged at one side of the excavator small arm 8 far away from the excavator big arm 7, a fixed box 10 is fixedly connected at the bottom of the connector 9, a replacing mechanism 11 is arranged in an inner cavity of the fixed box 10, a bucket 12 matched with the replacing mechanism 11 is arranged at the bottom of the fixed box 10, all vertical fixedly connected with all around at scraper bowl 12 top and reference column 13 that fixed case 10 cooperation was used, can carry out the processing of leading in advance between fixed case 10 and the scraper bowl 12, the inner chamber threaded connection that location thread groove 14 and location thread groove 14 were seted up at the top of reference column 13 inner chamber has positioning bolt 15, positioning bolt 15 is located the outside of connector 9, can screw up fixedly to fixed case 10 and reference column 13, further strengthen the firm effect of installation between fixed case 10 and the scraper bowl 12, the equal fixedly connected with in both sides of scraper bowl 12 inner chamber leads the mud piece and leads the length of mud piece and by supreme degressive state distribution in proper order down, can carry out the water conservancy diversion to the earth in scraper bowl 12 and handle, also strengthen the bulk strength of scraper bowl 12 mud position material simultaneously. The utility model replaces the mode that the bucket is hinged with the small arm and the angle of the bucket is changed by driving the bucket through the hydraulic cylinder in the prior art by hinging the connector 9 with the small arm and driving the connector 9 to change the angle through the hydraulic cylinder, and meanwhile, the bucket is connected with the connector 9, thereby realizing the change of the angle of the bucket 9.

As shown in fig. 1-4, the replacing mechanism 11 includes a locking cylinder 111, the locking cylinder 111 is fixed on two sides of the top of the inner cavity of the fixing box 10, the inner cavity of the locking cylinder 111 is provided with a mounting post 112, the bottom of the mounting post 112 is fixedly connected with the top of the bucket 12, the locking holes 113 are formed around the locking cylinder 111 and the mounting post 112, the locking groove 114 is formed at the center of the locking cylinder 111 opposite to the mounting post 112, the mounting seat 115 is fixedly connected at the center of the top of the inner cavity of the fixing box 10, the double-headed cylinder 116 is fixedly connected at the bottom of the mounting seat 115, the solenoid valve 117 is fixedly connected on the surface of the double-headed cylinder 116, the piston rod of the double-headed cylinder 116 is fixedly connected with a locking seat 118 used in cooperation with the locking cylinder 111, the locking rod 119 and the locking block 1110 in engagement with the locking hole 113 and the locking groove 114 are fixedly connected around the locking seat 118, the locking cylinder 111 is used for clamping and limiting the mounting post 112, mount pad 115 is as fixed stay, provide the channel source by double-end cylinder 116, solenoid valve 117 carries out synchronous command control to double-end cylinder 116, thereby insert or break away from locking hole 113 and locking groove 114 with locking pole 119 and locking piece 1110 in step through locking seat 118, reach the purpose of carrying out quick assembly disassembly to erection column 112, thereby can carry out quick assembly disassembly change operation to scraper bowl 12, shorten the dismouting of scraper bowl 12 greatly and change man-hour, improve the dismouting change efficiency of different specification model scraper bowls 12.

As shown in fig. 2, fig. 3 and fig. 4, locking hole 113 and locking rod 119 are distributed along the center of double-head cylinder 116 in a triangular symmetrical state, locking groove 114 and locking block 1110 are all set to be equilateral triangle, stability principle is provided according to triangle, stability effect of integral clamping between locking hole 113 and locking rod 119 and locking groove 114 and locking block 1110 is enhanced, integral tightness between locking hole 113 and locking rod 119 and locking groove 114 and locking block 1110 is improved, inner cavity clamping of limiting groove and limiting groove is provided at the top of inner cavity of locking cylinder 111 to limit position head 16, bottom of limiting head 16 is fixedly connected with the top of mounting column 112, guiding and abutting processing can be performed between mounting column 112 and locking cylinder 111, and accordingly, clamping in a matching manner can be performed between mounting column 112 and locking cylinder 111.

When the utility model is used, according to the requirement of the environment of the excavation space of the foundation pit of the contact net, when the bucket 12 needs to be replaced, a constructor firstly uses a tool to separate the positioning bolt 15 from the positioning threaded groove 14, then the electromagnetic valve 117 controls the double-end cylinder 116 to synchronously retract and reset, the piston rods at the two sides of the double-end cylinder 116 drive the locking seat 118 to separate from the locking cylinder 111, simultaneously the locking seat 118 synchronously drives the locking rod 119 and the locking block 1110 to correspondingly separate from the locking hole 113 and the locking groove 114, the limiting head 16 completely separates from the locking cylinder 111, then the mounting column 112 separates from the locking cylinder 111 until the positioning column 13 separates from the fixed box 10, thus completing the rapid disassembly operation of the bucket 12, then the constructor places the replaced bucket 12 under the fixed box 10, inserts the positioning column 13 on the replaced bucket 12 into the fixed box 10 correspondingly, and inserts the mounting column 112 into the locking cylinder 111, similarly, the constructor screws positioning bolt 15 into the positioning thread groove 14 at the top of positioning column 13 through the instrument, fix a position the installation in advance between the scraper bowl 12 after changing and the fixed box 10 earlier, solenoid valve 117 control double-end cylinder 116 is synchronous to expand outward and extends after that, locking seat 118 synchronous locking rod 119 and locking piece 1110 correspond insert in locking hole 113 and locking groove 114 can, it is fixed to erection column 112 joint once more, can accomplish the change installation work of scraper bowl 12, and then excavate the operation to the working face under different construction space and the environment.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a contact net foundation ditch excavating gear based on railcar, is including setting up the excavator on railcar (1), its characterized in that: one side that excavator big arm (7) was kept away from in forearm (8) of excavator articulates there is connector (9), the fixed case (10) of bottom fixedly connected with of connector (9), the inner chamber of fixed case (10) is provided with changes mechanism (11), the bottom of fixed case (10) is provided with and changes scraper bowl (12) that mechanism (11) cooperation was used.

2. The contact net foundation pit excavating device based on the rail car according to claim 1, characterized in that: change mechanism (11) including a locking section of thick bamboo (111), the both sides at fixed case (10) inner chamber top are fixed to a locking section of thick bamboo (111), the inner chamber of a locking section of thick bamboo (111) is provided with the bottom of erection column (112) and the top fixed connection of scraper bowl (12), locking hole (113) and locking section of thick bamboo (111) and erection column (112) are all seted up all around in opposite directions to a locking groove (114), the center department fixedly connected with mount pad (115) and the bottom fixedly connected with double-end cylinder (116) of mount pad (115) are located to the center at fixed case (10) inner chamber top, the fixed surface of double-end cylinder (116) is connected with solenoid valve (117) and the piston rod fixedly connected with of double-end cylinder (116) and locking seat (118) that the cooperation was used with a locking section of thick bamboo (111), locking seat (118) are close to all fixedly connected with all around of a locking section of thick bamboo (111) and locking hole (113) and locking groove (12), and locking groove (114) are located to the cooperation are located The locking groove (114) is clamped with the matched locking rod (119) and the locking block (1110).

3. The contact net foundation pit excavating device based on the rail car according to claim 2, characterized in that: locking hole (113) and locking pole (119) all are located to be triangle-shaped symmetrical state along the center of double-end cylinder (116) and distribute, locking groove (114) all set up to equilateral triangle with the shape of locking piece (1110).

4. The contact net foundation pit excavating device based on the rail car according to claim 2, characterized in that: the top of the inner cavity of the locking barrel (111) is provided with a limiting groove, the inner cavity of the limiting groove is clamped with a limiting head (16), and the bottom of the limiting head (16) is fixedly connected with the top of the mounting column (112).

5. The contact net foundation pit excavating device based on the rail car according to claim 1, characterized in that: all vertical fixedly connected with all around at scraper bowl (12) top is with reference column (13) that fixed case (10) cooperation was used, the inner chamber threaded connection that positioning thread groove (14) and positioning thread groove (14) were seted up at the top of reference column (13) inner chamber has positioning bolt (15), positioning bolt (15) are located the outside of connector (9).

6. The contact net foundation pit excavating device based on the rail car according to claim 1, characterized in that: the two sides of the inner cavity of the bucket (12) are fixedly connected with mud guide blocks, and the lengths of the mud guide blocks are distributed in a descending state from bottom to top in sequence.