CN218439370U - Sliding wear-resistant combined base plate of barrel of screw machine - Google Patents
Sliding wear-resistant combined base plate of barrel of screw machine Download PDFInfo
- Publication number
- CN218439370U CN218439370U CN202223024869.9U CN202223024869U CN218439370U CN 218439370 U CN218439370 U CN 218439370U CN 202223024869 U CN202223024869 U CN 202223024869U CN 218439370 U CN218439370 U CN 218439370U
- Authority
- CN
- China
- Prior art keywords
- arc
- plate
- wear
- screw machine
- shaped
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Abstract
The utility model discloses a sliding wear-resistant combined base plate of a screw machine cylinder, which defines the advancing direction of a screw machine as the front end and comprises an arc-shaped positioning plate and an arc-shaped wear-resistant plate, wherein the bottom of the screw machine cylinder is coaxially attached and fixedly connected with the arc-shaped positioning plate, and the bottom of the arc-shaped positioning plate is coaxially limited and fixedly connected with the arc-shaped wear-resistant plate; the rear end and two sides of the arc-shaped positioning plate are both radially and fixedly provided with limiting pieces attached with limiting arc-shaped wear-resisting plates; the axial thickness gradual change of arc antifriction plate, wherein the front end thickness of arc antifriction plate is less than the rear end thickness of arc antifriction plate, and the inside of arc antifriction plate has buried wear monitoring sensor underground. This combination backing plate wear-resistants can be according to wearing and tearing to the arc antifriction plate trigger sensor warning of certain degree to only need change the arc antifriction plate when the combination backing plate that wear-resistants is changed in the maintenance, greatly reduced construction hidden danger risk improves screw machine utilization ratio and efficiency of construction.
Description
Technical Field
The utility model relates to a shield constructs construction technical field, especially relates to a combination backing plate that wear-resistants slides of screw machine barrel.
Background
In the prior art, when the soil quality of a soil body is soft sandy land, shield construction of a screw machine is mostly adopted. The structure of the screw machine is similar to that of a cantilever beam, power is provided by a fixed end, the cantilever end discharges dregs through telescopic rotation, and the friction force borne by the cantilever end is extremely large when facing a silt stratum with a large friction coefficient, so that a wear-resistant layer is generally built on a blade of the screw machine in a build-up welding mode. In the propelling process, particularly in the construction of an ultra-long tunnel, the bottom of the barrel body of the screw machine is influenced by the friction between the blades and the stratum muck for a long time, so that the bottom of the barrel body is damaged.
Particularly, the bottom of the barrel body of the screw machine is subjected to strong friction force caused by silt stratum muck in the construction process, so that the abrasion of the blade of the screw machine on the root casing can be increased, and if the screw machine is replaced due to serious abrasion of part of the barrel section, the construction progress can be seriously influenced; at present, the abrasion degree of the cylinder of the screw machine in the construction process is judged to be like 'touching a stone and crossing a river', the abrasion degree is judged only by the construction experience of personnel according to digging noise and vibration, under different geological conditions, the noise and the vibration of shield construction are different, and the abrasion degree of the shell of the cylinder cannot be accurately judged by manpower due to the interference of the running noise of the screw machine; if the barrel of the screw machine cannot be replaced in time, the life safety of operating personnel is seriously threatened, the risk of hidden construction troubles is greatly increased, and the utilization rate of the screw machine and the shield construction efficiency are reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's weak point, a combination backing plate that slides of screw machine barrel wear-resistants is provided, and the device can report to the alarm to the arc antifriction plate trigger sensor of certain degree according to wearing and tearing to only need change the arc antifriction plate when the combination backing plate that wear-resistants is changed in the maintenance, greatly reduced construction hidden danger risk improves screw machine utilization ratio and efficiency of construction.
The utility model aims at realizing through the following technical scheme:
a sliding wear-resistant combined base plate of a screw machine cylinder body defines the advancing direction of a screw machine as the front end and comprises an arc-shaped positioning plate and an arc-shaped wear-resistant plate, wherein the bottom of the screw machine cylinder body is coaxially attached and fixedly connected with the arc-shaped positioning plate, and the bottom of the arc-shaped positioning plate is coaxially limited and fixedly connected with the arc-shaped wear-resistant plate; the rear end and two sides of the arc-shaped positioning plate are both radially and fixedly provided with limiting pieces attached with limiting arc-shaped wear-resisting plates; the axial thickness gradual change of arc antifriction plate, wherein the front end thickness of arc antifriction plate is less than the rear end thickness of arc antifriction plate, and the inside of arc antifriction plate has buried wear monitoring sensor underground.
Preferably, the rear end and the two sides of the arc-shaped positioning plate are coaxially and fixedly connected with the bottom of the barrel of the screw machine through a plurality of high-strength bolts.
Preferably, the arc-shaped wear plates are of a multi-piece splicing structure made of wood or an integrated structure made of plastic, and the central angle of each arc-shaped wear plate is 120 degrees.
Preferably, the wear monitoring sensor is embedded at the rear end of the arc-shaped wear plate in the radial direction, and the radial extension length of the wear monitoring sensor is larger than that of the limiting piece.
The utility model has the advantages and the technical effects that:
the utility model discloses a sliding wear-resistant combined base plate of a screw machine barrel, which realizes the functions of coaxial cladding and positioning and fixing of an arc-shaped wear-resistant plate at the bottom of the screw machine shell through an arc-shaped positioning plate, the arc-shaped wear-resistant plate replaces the bottom of the screw machine shell to bear the direct friction of sand grains or soil bodies, the arc-shaped wear-resistant plate is worn to a certain degree and then triggers the alarm function of a wear monitoring sensor, and the arc-shaped wear-resistant plate which is excessively worn can be replaced together with the arc-shaped positioning plate as a consumable material; and finally, the front end of the arc-shaped positioning plate is not provided with a limiting piece, and the thickness of the arc-shaped wear-resistant plate is gradually changed, so that the advancing resistance of the barrel of the screw machine can be effectively reduced.
The utility model discloses a slip combination backing plate that wear-resistants of screw machine barrel has solved the serious problem of long distance sand bed solution construction screw machine barrel bottom wearing and tearing, has improved the efficiency of construction, has reduced construction cost, has guaranteed sandy stratum long distance construction safety greatly, has improved the efficiency of construction.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a half sectional view of the present invention;
fig. 3 is a right side view of the present invention (the arcuate wear plate is not shown);
in the figure: 1-a screw machine cylinder; 2-arc wear-resisting plate; 3-limiting sheet; 4-arc positioning plate; 5-wear monitoring sensors; 6-high strength bolt.
Detailed Description
For further understanding of the contents, features and effects of the present invention, the following embodiments will be exemplified in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.
A sliding wear-resistant combined base plate of a screw machine cylinder body defines the advancing direction of a screw machine as the front end and comprises an arc-shaped positioning plate 4 and an arc-shaped wear-resistant plate 2, wherein the bottom of the screw machine cylinder body 1 is coaxially attached and fixedly connected with the arc-shaped positioning plate, and the bottom of the arc-shaped positioning plate is coaxially limited and fixedly connected with the arc-shaped wear-resistant plate; the rear end and two sides of the arc-shaped positioning plate are respectively and fixedly provided with a limiting piece 3 which is attached to a limiting arc-shaped wear-resisting plate in the radial direction; the axial thickness gradual change of arc antifriction plate, wherein the front end thickness of arc antifriction plate is less than the rear end thickness of arc antifriction plate, and the inside of arc antifriction plate has buried wear monitoring sensor 5 underground.
Preferably, the rear end and the two sides of the arc-shaped positioning plate are coaxially and fixedly connected with the bottom of the barrel of the screw machine through a plurality of high-strength bolts 6.
Preferably, the arc-shaped wear plates are of a multi-piece splicing structure made of wood or an integrated structure made of plastic, and the central angle of each arc-shaped wear plate is 120 degrees.
Preferably, the wear monitoring sensor is embedded at the rear end of the arc-shaped wear plate in the radial direction, and the radial extension length of the wear monitoring sensor is larger than that of the limiting piece.
Additionally, the utility model discloses preferably, the mature product among the prior art is adopted to the wearing and tearing monitoring sensor.
To illustrate the specific use of the present invention more clearly, an example is provided below:
the utility model discloses a combination backing plate that wear-resistants slides of screw machine barrel improves screw machine barrel bottom structural style through optimizing, and the removable antifriction plate of make full use of has improved the life of screw machine, the effectual construction operation safety risk that has reduced the tunnelling of long distance sand bed. Through changing the more serious antifriction plate of 120 within ranges wearing and tearing for the action of unearthing of screw machine is more smooth, and the efficiency of construction is higher. By using the wear monitoring sensor, the early warning informatization of the wear of the cylinder body of the screw machine can be realized, so that the wear plate is guided to be replaced. Finally, the optimum design of the wear-resistant structure of the barrel of the screw machine by using wear-resistant plates made of different materials in different ranges belongs to the scope of the present invention.
The utility model discloses a combination backing plate that wear-resistants slides of screw machine barrel, with the most serious region of 120 within ranges wearing and tearing in screw machine barrel lower part, add arc locating plate and the arc antifriction plate that can wholly change, whether remind the whole change that needs the combination backing plate that wear-resistants through the wear monitoring sensor simultaneously. The construction efficiency is improved, the construction cost is reduced, and the service life of the screw machine is ensured.
In the construction process, the replacement method of the wear-resistant combined base plate comprises the following steps:
the method comprises the following steps: withdrawing the spiral shaft after early warning of the abrasion detection point;
step two: closing the slurry door and discharging the residue soil in the screw machine;
step three: disassembling the bottom of the screw machine, replacing the wear-resisting plate and resetting a wear detection point;
step four: propulsion is resumed.
Finally, the utility model discloses preferred, the not described part of the utility model all adopts the ripe product and the ripe technical means among the prior art.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (4)
1. The utility model provides a combination backing plate that wear-resistants slides of screw machine barrel, definition screw machine advancing direction is the front end, its characterized in that: the spiral machine comprises an arc-shaped positioning plate and an arc-shaped wear-resisting plate, wherein the bottom of a cylinder body of a spiral machine is coaxially attached and fixedly connected with the arc-shaped positioning plate, and the bottom of the arc-shaped positioning plate is coaxially limited and fixedly connected with the arc-shaped wear-resisting plate; the rear end and two sides of the arc-shaped positioning plate are respectively and fixedly provided with a limiting piece which is attached to a limiting arc-shaped wear-resisting plate in the radial direction; the axial thickness of arc antifriction plate changes gradually, and wherein the front end thickness of arc antifriction plate is less than the rear end thickness of arc antifriction plate, and the inside of arc antifriction plate has buried wear monitoring sensor underground.
2. A sliding anti-wear composite shim plate for a screw machine barrel according to claim 1, wherein: the rear end and the two sides of the arc-shaped positioning plate are coaxially and fixedly connected with the bottom of the barrel of the screw machine through a plurality of high-strength bolts.
3. A sliding anti-wear composite shim plate for a screw machine barrel according to claim 1, wherein: the arc-shaped wear-resisting plate is of a multi-plate splicing structure made of wood or an integrated structure made of plastic, and the central angle of the arc-shaped wear-resisting plate is 120 degrees.
4. A sliding anti-wear composite shim plate for a screw machine barrel according to claim 1, wherein: the abrasion monitoring sensor is embedded at the rear end of the arc-shaped abrasion-resistant plate in the radial direction, and the radial extension length of the abrasion monitoring sensor is larger than that of the limiting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223024869.9U CN218439370U (en) | 2022-11-15 | 2022-11-15 | Sliding wear-resistant combined base plate of barrel of screw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223024869.9U CN218439370U (en) | 2022-11-15 | 2022-11-15 | Sliding wear-resistant combined base plate of barrel of screw machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218439370U true CN218439370U (en) | 2023-02-03 |
Family
ID=85073620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223024869.9U Active CN218439370U (en) | 2022-11-15 | 2022-11-15 | Sliding wear-resistant combined base plate of barrel of screw machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218439370U (en) |
-
2022
- 2022-11-15 CN CN202223024869.9U patent/CN218439370U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102364049B (en) | Hard rock composite TBM (Tunnel Boring Machine) suitable for composite stratum and tunneling mode thereof | |
| CN102383805B (en) | Mixed TBM (Tunnel Boring Machine) with multiple-boring mode and tunnel supporting mode | |
| CN109236311A (en) | Super-large diameter cutterhead and its tooling setup method | |
| CN102287201A (en) | Shield machine with center drill system | |
| CN112682057B (en) | Heading machine cutter head suitable for extremely hard rock stratum | |
| CN1186551C (en) | Laying machine with combined cutterhead for laying rectangulare top pipe with balanced earth pressure | |
| CN112392500A (en) | High-strength rock crushing push bench for composite stratum | |
| CN218439370U (en) | Sliding wear-resistant combined base plate of barrel of screw machine | |
| CN202673151U (en) | Spiral drill bit | |
| CN201794591U (en) | Single-disc central hob of shield machine | |
| CN202788863U (en) | Heavy type tearing cutter used for shield machine | |
| CN212359762U (en) | High-speed intelligent shield constructs machine | |
| CN202467850U (en) | Earth pressure balanced shield for large-grain diameter sandy cobble stratum | |
| CN115853533A (en) | Pipe jacking machine for hydraulic engineering and using method thereof | |
| CN207513555U (en) | A kind of drill bit of rotary drilling rig | |
| CN212837821U (en) | Cutter head of pipe jacking machine | |
| CN212249847U (en) | Rotary drilling bit and rotary drilling machine with same | |
| CN201539263U (en) | Novel screw conveyor front barrel | |
| CN114876486A (en) | Roadway tunneling robot and automatic cutting control method | |
| CN109386290B (en) | Telescopic split cutterhead | |
| CN110080759B (en) | Abrasive jet coal mining machine with increasable maximum mining height | |
| CN203081455U (en) | Screw conveyer blade for shield tunneling machine | |
| CN114352304B (en) | Spherical cutter head | |
| CN212837816U (en) | Folding cutter head | |
| CN206157800U (en) | Probing excavating rod |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |