CN216739809U

CN216739809U - Chain cutter box for ultra-deep TRD construction

Info

Publication number: CN216739809U
Application number: CN202220188427.9U
Authority: CN
Inventors: 刘可可; 刘金书; 刘嵘; 曹振彪; 曹小华; 徐通正
Original assignee: China Railway Construction Heavy Industry Nantong Co ltd; China Railway Construction Heavy Industry Group Co Ltd
Current assignee: China Railway Construction Heavy Industry Nantong Co ltd; China Railway Construction Heavy Industry Group Co Ltd
Priority date: 2022-01-24
Filing date: 2022-01-24
Publication date: 2022-06-14
Anticipated expiration: 2032-01-24

Abstract

The utility model provides a chain cutter box for ultra-deep TRD construction, which is formed by connecting a plurality of cutter boxes in series, wherein adjacent cutter boxes are connected through a cutter box clamping plate; the knife box is formed by sequentially connecting a first connecting end of the box body, a middle box body and a second connecting end of the box body; the knife box clamping plate comprises a first bottom plate and a first vertical plate, and two ends of the first bottom plate are respectively connected with a first connecting end of one knife box and a second connecting end of the other knife box which are adjacently arranged through connecting pieces so as to realize the connection between the two adjacent knife boxes; the first vertical plate is arranged on the first bottom plate and used for limiting the transverse displacement range of the chain cutter. The chain cutter box for ultra-deep TRD construction is arranged into a structure formed by connecting a plurality of cutter boxes in series, and the adjacent two cutter boxes are connected by adopting the cutter box clamping plate so as to realize the connection between the two adjacent cutter boxes.

Description

Chain cutter box for ultra-deep TRD construction

Technical Field

The utility model relates to the technical field of building construction equipment, in particular to a chain cutter box for ultra-deep TRD construction.

Background

At present, in the construction process of many foundation projects such as hydraulic engineering, building foundation pits, underground engineering, municipal engineering and the like, underground continuous walls are often needed, and the underground continuous walls can be used as impervious walls, temporary retaining walls, bearing structures, water retaining structures and the like.

The more mature construction methods of the underground continuous wall comprise TRD, SMW, CRM and the like, wherein the TRD construction method mainly uses chain-saw type underground continuous wall equipment for construction, a chain-saw type cutter box is vertically inserted into the stratum, and raw soil is stirred and mixed with concrete through integral horizontal transverse movement and rotary movement of a chain around the cutter box to form the underground continuous wall with sufficient strength, so that the effects of water resistance, load bearing and the like are achieved.

According to the existing chain cutter type continuous wall construction equipment, along with the increase of the depth of an underground continuous wall, a chain cutter box is required to be arranged into a plurality of sections of chain cutter boxes which are connected with each other according to the depth of the continuous wall, an upper chain cutter box and a lower chain cutter box are aligned and positioned through positioning pins and positioning holes on the upper end surface and the lower end surface of the two cutter boxes, and a plurality of fastening bolts penetrate through connecting holes on the end surfaces of the upper cutter box and the lower cutter box to be fastened and connected. However, along with the increase of the construction depth, the resistance that the chain cutter knife case receives in the whole propulsion process increases, and present TRD technique more develops toward the extra-deep direction, once becomes the wall degree of depth and can reach 90 meters, can produce very big moment of flexure, and the whole vertical shape that can't be maintained of chain cutter knife case can produce very big pulling stress at box hookup location simultaneously, and the horizontal pulling force that the bolt received is also bigger and bigger, can't guarantee the connection stability of knife case. Meanwhile, the chain cutter can vibrate greatly in the construction process, and corresponding fixing measures are not taken for the chain cutter in the conventional device. In the work progress, the bolt fracture can lead to the chain sword fracture thereupon and take off the chain problem, and the sword case can be stayed ground end depths, causes equipment failure and excessive consumption, seriously influences the construction progress, can greatly increased construction cost simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a chain cutter box for ultra-deep TRD construction, which can prevent chain cutters from being separated from a chain, aiming at the defects of the prior art.

In order to achieve the purpose, the utility model provides a chain cutter box for ultra-deep TRD construction, which is formed by connecting a plurality of cutter boxes in series, wherein adjacent cutter boxes are connected through a cutter box clamping plate; the knife box is formed by sequentially connecting a first box body connecting end, a middle box body and a second box body connecting end; the knife box clamping plate comprises a first bottom plate and a first vertical plate, and two ends of the first bottom plate are respectively connected with a first connecting end of one knife box and a second connecting end of the other knife box which are adjacently arranged through connecting pieces so as to realize the connection between the two adjacent knife boxes; the first vertical plate is arranged on the first bottom plate and used for limiting the transverse displacement range of the chain cutter.

Preferably, the first bottom plate is further provided with a square groove for clamping an upper bottom plate in the first connecting end of one adjacently arranged knife box and a lower bottom plate in the second connecting end of the other knife box, and the square groove is used for limiting and connecting the two adjacent knife boxes.

Preferably, the first vertical plate is made of wear-resistant materials.

Preferably, wear-resisting plates are further arranged on two side faces of the knife box frame and are connected with the knife box frame through connecting plates.

Preferably, at least one group of baffle and caterpillar track baffle are further arranged on the two side faces of the knife box frame, and the baffle and the caterpillar track baffle are respectively connected with the knife box frame through bolts and used for limiting the transverse displacement of the chain knife.

Preferably, the caterpillar track baffle comprises a second bottom plate, a rib plate and a second vertical plate, and the rib plate is connected with the second bottom plate and the second vertical plate simultaneously; the second bottom plate is connected with two side surfaces of the knife box frame through bolts; the second vertical plate is arranged on the second bottom plate and used for limiting the transverse displacement of the chain cutter.

Preferably, the second vertical plate is made of wear-resistant materials.

Preferably, a lubricating oil pipe, an inclinometer pipe and a grouting pipe are arranged on the tool box frame in a penetrating manner, and two ends of the lubricating oil pipe are respectively connected with a quick connector so as to realize the connection of the lubricating oil pipe between the two tool boxes; two ends of the inclinometer pipe are respectively connected with a second clamping sleeve so as to realize the connection of the inclinometer pipe between the two tool boxes; the two ends of the grouting pipe are respectively connected with a first clamping sleeve so as to realize the connection of the grouting pipe between the two knife boxes.

Preferably, the upper base plate is further provided with a positioning pin, the lower base plate is further provided with a positioning hole, the position of the positioning hole is arranged corresponding to the position of the positioning pin, the shape of the positioning hole is consistent with that of the positioning pin, and the positioning pin and the positioning hole are combined to realize accurate positioning connection of two adjacent knife boxes.

Preferably, the first connection end and the second connection end of the box body in the knife box close to the ground are both made of steel, and the connection strength of the knife box close to the ground is enhanced.

Compared with the prior art, the utility model has the following beneficial effects:

(1) according to the utility model, the chain cutter box for ultra-deep TRD construction is arranged into a structure formed by connecting a plurality of cutter boxes in series, and the adjacent two cutter boxes are connected by adopting the cutter box clamping plate, so that the connection between the two adjacent cutter boxes is realized.

(2) According to the utility model, the transverse displacement of the chain cutter is limited by the baffle, the caterpillar baffle and the cutter box clamping plate which are respectively arranged on the first connecting end of the box body, the middle box body and the second connecting end of the box body, so that the chain cutter is effectively prevented from being out of the chain.

(3) According to the chain, the wear-resisting plates are arranged on the two sides of the middle box body, so that the wear to the knife box in the working process of the chain is reduced.

(4) According to the chain cutter box, the first connecting end and the second connecting end of the box body in the chain cutter box close to the ground part are made of 550 steel, so that the strength of the cutter box is effectively increased, and the connection is firmer.

(5) According to the utility model, the first bottom plate in the knife box clamping plate is arranged to be of a structure with a square groove, so that the upper bottom plate of one knife box and the lower bottom plate of the other knife box of two adjacent knife boxes are inserted into the square groove, and the connection of the two adjacent knife boxes is realized.

(6) According to the utility model, on the premise that two adjacent knife boxes are connected with each other through the knife box clamping plate, one knife box of the two adjacent knife boxes is provided with the positioning pin, and the other knife box is provided with the positioning hole matched and connected with the positioning pin, so that the two adjacent knife boxes are connected more accurately.

In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic front view of the overall structure of the present invention;

FIG. 2 is a schematic left side view of the overall structure of the present invention;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 4 is a schematic view of the construction of the caterpillar track guard of the present invention;

FIG. 5 is a schematic view of the structure of the knife box clamping plate of the present invention.

Wherein:

1. middle part box, 101, the first link end of box, 102, the second link end of box, 1011, deep floor, 1012, the upper plate, 1021, the lower plate, 103, the connecting plate, 104, the antifriction plate, 2, the baffle, 3, the caterpillar baffle, 301, the second bottom plate, 302, the gusset, 303, the second riser, 4, the sword case cardboard, 401, first bottom plate, 402, first riser, 403, fastening bolt, 404, square groove, 5, the locating pin, 6, quick-operation joint, 7, first cutting ferrule, 8, the second cutting ferrule, 9, the locating hole, 10, lubricating oil pipe, 11, the deviational survey pipe, 12, the slip casting pipe.

Detailed Description

Embodiments of the utility model will be described in detail below with reference to the drawings, but the utility model can be implemented in many different ways, which are defined and covered by the claims.

In order to make the aforementioned objects, features, advantages, and the like of the present invention more clearly understandable, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the drawings of the present invention are simplified and are not to precise scale, and are provided for convenience and clarity in assisting the description of the embodiments of the present invention; the several references in this disclosure are not limited to the particular numbers in the examples of the figures; the directions or positional relationships indicated by ' front ' middle, ' rear ' left ', right ', upper ', lower ', top ', bottom ', middle ', etc. in the present invention are based on the directions or positional relationships shown in the drawings of the present invention, and do not indicate or imply that the devices or components referred to must have a specific direction, nor should be construed as limiting the present invention.

In this embodiment:

referring to fig. 1 to 3, the chain cutter box for ultra-deep TRD construction according to the present invention is formed by connecting a plurality of cutter boxes in series, and adjacent cutter boxes are connected by a cutter box clamping plate 4; the knife box is formed by sequentially connecting a first box body connecting end 101, a middle box body 1 and a second box body connecting end 102.

A lubricating oil pipe 10, an inclinometer pipe 11 and a plurality of grouting pipes 12 are arranged on the tool box frame in a penetrating manner, and two ends of the lubricating oil pipe 10 are respectively connected with quick connectors 6 which can be mutually connected so as to realize the connection of the lubricating oil pipe 10 between the two tool boxes; two ends of the inclinometer pipe 11 are respectively connected with second clamping sleeves 8 which can be mutually connected, so that the connection of the inclinometer pipe 11 between the two cutter boxes is realized; two ends of the grouting pipe 12 are respectively connected with a first clamping sleeve 7 which can be connected with each other, so that the grouting pipe 12 is connected between the two knife boxes.

Preferably, in order to increase the wear resistance of the knife box, a plurality of wear-resistant plates 104 arranged in sections are further arranged on two side surfaces of the knife box frame, and the wear-resistant plates 104 arranged on the same side surface of the knife box frame are respectively connected through a connecting plate 103 so as to realize the mutual connection between the wear-resistant plates 104; the connecting plate 103 is also provided with a threaded hole for mounting a bolt so as to connect the connecting plate 103 with the side surface of the knife box frame through the bolt.

Preferably, reinforcing rib plates 1011 are further disposed between the first box connecting end 101 and the middle box 1, and between the second box connecting end 102 and the middle box 1, so as to reinforce the connection strength between the first box connecting end 101 and the middle box 1, and between the second box connecting end 102 and the middle box 1.

Preferably, the top end of the first connecting end 101 of the box body is further provided with an upper bottom plate 1012, and the bottom end of the second connecting end 102 of the box body is further provided with a lower bottom plate 1021.

Preferably, in order to realize accurate connection between two tool boxes, at least one positioning pin 5 is further arranged on the upper bottom plate 1012 of the first connecting end 101 of the box body, at least one positioning hole 9 is further arranged on the lower bottom plate 1021 of the second connecting end 102 of the box body, and the positioning pin 5 and the positioning hole 9 have the same shape, so that accurate connection between two adjacent tool boxes is realized through connection of the positioning pin 5 and the positioning hole 9.

The baffle 2 is preferably provided with two pieces which are arranged on the left side surface of the middle box body 1 through bolts and are symmetrically provided with wear-resisting plates 104, and two pieces which are arranged on the right side surface of the middle box body 1 through bolts and are symmetrically provided with the wear-resisting plates 104, and the baffle is used for preventing the chain cutter from deviating in the operation process.

The caterpillar track baffle 3 is preferably provided with 4 pieces which are arranged on the left side surface of the middle box body 1 through bolts and symmetrically arranged by the wear-resisting plates 104, and 4 pieces which are arranged on the right side surface of the middle box body 1 through bolts and symmetrically arranged by the wear-resisting plates 104;

preferably, referring to fig. 4, the caterpillar track baffle 3 includes a second bottom plate 301, a rib plate 302 and a second vertical plate 303, the second bottom plate 301 is provided with a threaded hole for installing a bolt, and the second bottom plate is fixedly connected with two side surfaces of the middle box 1 through the bolt; the rib plate 302 is connected with the second bottom plate 301 and the second vertical plate 303 in a welding mode so as to reinforce the connection strength between the second bottom plate 301 and the second vertical plate 303; the second vertical plate 303 is made of a wear-resistant material and used for preventing the chain cutter from deviating in the operation process.

The knife box clamping plates 4 are preferably arranged into 4 pieces, as shown in fig. 5, each knife box clamping plate 4 comprises a first bottom plate 401 and a first vertical plate 402, the first bottom plate 401 is fixedly connected with two side surfaces of the first connecting end 101 of the box body through fastening bolts 403, and the first bottom plate 401 is provided with a square groove 404 for clamping an upper bottom plate 1012 of one knife box and a lower bottom plate 1021 of the other knife box of two adjacent knife boxes so as to realize the connection between the two adjacent knife boxes; the first vertical plate 402 is connected with the first bottom plate 401 in a welding mode, and the first vertical plate 402 is made of wear-resistant materials and used for preventing deviation of the chain cutter in the operation process.

As a further embodiment of the utility model: in order to enhance the connection strength of the knife box close to the ground, the first connection end 101 and the second connection end 102 of the box body of the knife box close to the ground are both made of 550 steel.

The specific installation mode of the utility model is as follows:

1) assembling a single knife box: sequentially connecting a first box body connecting end 101, a middle box body 1 and a second box body connecting end 102, and respectively installing a reinforcing rib plate 1011, a baffle 2, a caterpillar baffle 3, a knife box clamping plate 4, a quick connector 6, a first clamping sleeve 7 and a second clamping sleeve 8 at corresponding positions;

2) a plurality of knife boxes are connected in series: the knife box clamping plate 4 in the installed single knife box sequentially connects the upper bottom plate 1012 of one knife box in two adjacent knife boxes with the lower bottom plate 1021 of the other knife box, meanwhile, the quick connectors 6, the first clamping sleeves 7 and the second clamping sleeves 8 of the two adjacent knife boxes are ensured to be sequentially connected, and the first connecting end 101 and the second connecting end 102 of the box body, which are made of 550 steel, are arranged at positions close to the ground part (namely, at the lowest end of the ultra-deep TRD construction chain knife), so that the chain knife box for the ultra-deep TRD construction is installed.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a chain sword case that super dark TRD construction was used which characterized in that: the chain cutter box is formed by connecting a plurality of cutter boxes in series, and adjacent cutter boxes are connected through a cutter box clamping plate (4);

the knife box is formed by sequentially connecting a first box body connecting end (101), a middle box body (1) and a second box body connecting end (102);

the knife box clamping plate (4) comprises a first bottom plate (401) and a first vertical plate (402), and two ends of the first bottom plate (401) are respectively connected with a first connecting end (101) of one knife box and a second connecting end (102) of the other knife box which are adjacently arranged through connecting pieces (403) so as to realize the connection between the two adjacent knife boxes; the first vertical plate (402) is arranged on the first bottom plate (401) and used for limiting the transverse displacement range of the chain knife.

2. The chain knife box of claim 1, wherein: the first bottom plate (401) is further provided with a square groove (404) used for clamping an upper bottom plate (1012) in the first connecting end (101) of one adjacent tool box and a lower bottom plate (1021) in the second connecting end (102) of the other adjacent tool box, and the square groove (404) is used for limiting and connecting the two adjacent tool boxes.

3. The chain knife box of claim 1, wherein: the first vertical plate (402) is made of wear-resistant materials.

4. The chain knife box of claim 1, wherein: wear-resisting plates (104) are further arranged on two side faces of the knife box frame, and the wear-resisting plates (104) are connected with the knife box frame through connecting plates (103).

5. The chain cutter box according to any one of claims 1 to 4, wherein: the chain cutter is characterized in that at least one group of baffle plates (2) and at least one group of caterpillar track baffle plates (3) are further arranged on two side faces of the cutter box frame, and the baffle plates (2) and the caterpillar track baffle plates (3) are respectively connected with the cutter box frame through bolts and used for limiting the transverse displacement of the chain cutter.

6. The chain knife box of claim 5, wherein: the caterpillar track baffle (3) comprises a second bottom plate (301), a rib plate (302) and a second vertical plate (303), and the rib plate (302) is connected with the second bottom plate (301) and the second vertical plate (303) at the same time; the second bottom plate (301) is connected with two side surfaces of the knife box frame through bolts; the second vertical plate (303) is arranged on the second bottom plate (301) and used for limiting the transverse displacement of the chain knife.

7. The chain knife box of claim 6, wherein: the second vertical plate (303) is made of wear-resistant materials.

8. The chain knife box of claim 5, wherein: a lubricating oil pipe (10), an inclinometer pipe (11) and a grouting pipe (12) are further arranged on the cutter box frame in a penetrating mode, and two ends of the lubricating oil pipe (10) are respectively connected with a quick connector (6) so as to achieve connection of the lubricating oil pipe (10) between the two cutter boxes; two ends of the inclinometer pipe (11) are respectively connected with a second clamping sleeve (8) so as to realize the connection of the inclinometer pipe (11) between the two cutter boxes; two ends of the grouting pipe (12) are respectively connected with a first clamping sleeve (7) so as to realize the connection of the grouting pipe (12) between the two knife boxes.

9. The chain knife magazine as defined in claim 2, wherein: still be equipped with locating pin (5) on upper plate (1012), still be equipped with locating hole (9) on lower plate (1021), the position of locating hole (9) sets up with the position of locating pin (5) is corresponding, and the shape of locating hole (9) is unanimous with the shape of locating pin (5), realizes the accurate positioning connection of two adjacent tool boxes through the combination of locating pin (5) and locating hole (9).

10. The chain knife box of claim 1, wherein: the first connecting end (101) and the second connecting end (102) of the box body in the knife box close to the ground are both made of 550 steel materials and used for enhancing the connecting strength of the knife box close to the ground.