CN215634092U - Built-in sensor hydraulic cylinder for super digging cutter - Google Patents
Built-in sensor hydraulic cylinder for super digging cutter Download PDFInfo
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- CN215634092U CN215634092U CN202121633308.1U CN202121633308U CN215634092U CN 215634092 U CN215634092 U CN 215634092U CN 202121633308 U CN202121633308 U CN 202121633308U CN 215634092 U CN215634092 U CN 215634092U
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Abstract
The utility model discloses a built-in sensor hydraulic cylinder for a super excavator, which comprises a cylinder body and a piston rod connected to the cylinder body, wherein the front end of the piston rod extends into the cylinder body and is provided with a guide sleeve and a piston, the guide sleeve and the piston are provided with a telescopic cylinder, the telescopic cylinder is positioned in the cylinder body, an installation through hole is formed in the axial direction of the piston rod, a displacement sensor is installed at the left end of the piston rod, a measuring rod of the displacement sensor extends into the installation through hole along the axial direction, a fixed rod is installed at the right end of the telescopic cylinder, the fixed rod penetrates through the telescopic cylinder and extends into the installation through hole, the fixed rod is sleeved on the outer side of the measuring rod, and a magnetic ring is also installed in the fixed rod. Through the mode, the built-in sensor hydraulic cylinder for the super-digging cutter is provided with the displacement sensor, so that the super-digging cutter hydraulic cylinder can accurately measure the extending distance of the cutter head.
Description
Technical Field
The utility model relates to the field of hydraulic cylinders, in particular to a built-in sensor hydraulic cylinder for a super-excavator knife.
Background
On the shield constructs the machine at tunnel construction equipment, generally can be equipped with a super digging cutter pneumatic cylinder for change the diameter of tunnel excavation, can install the tool bit that the cutting tunnel hole was used on the super digging cutter telescopic cylinder of this pneumatic cylinder, when need using this tool bit in the shield constructs quick-witted working process, the super digging cutter telescopic cylinder stretches out, promotes the tool bit and stretches out, when not needing tool bit during operation, the super digging cutter telescopic cylinder withdrawal pulls back the tool bit. The extension distance of the super-digging cutter influences the size of the tunnel excavation diameter. In order to accurately measure the extending distance of the super-cutter, a displacement measuring sensor is added on a super-cutter hydraulic cylinder to measure the extending distance of the super-cutter in real time, so that the tunnel excavation diameter is accurately controlled.
Most of the hydraulic cylinders of the conventional overexcavation tools in the market are not provided with displacement measuring sensors, and as shown in figure 2, the telescopic length is generally controlled by controlling the flow of oil entering the oil cylinder, so that the error is large, and the telescopic length cannot be accurately controlled.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a built-in sensor hydraulic cylinder for an ultra-digging cutter, wherein a displacement sensor is added on the ultra-digging cutter hydraulic cylinder, so that the ultra-digging cutter hydraulic cylinder can accurately measure the extending distance of a cutter head.
In order to solve the technical problems, the utility model adopts a technical scheme that: the utility model provides a built-in sensor pneumatic cylinder for surpassing digger, includes the cylinder body and connects the piston rod on the cylinder body, the piston rod front end stretches into in the cylinder body to install and be equipped with uide bushing and piston, be equipped with telescopic cylinder on uide bushing and the piston, telescopic cylinder is located inside the cylinder body, the installation through-hole has been seted up in the axial of piston rod, displacement sensor is installed to the left end of piston rod, displacement sensor's measuring staff stretches into in the installation through-hole along the axial, the dead lever is installed to telescopic cylinder's right-hand member, the dead lever passes telescopic cylinder and stretches into in the installation through-hole, the dead lever cover is established in the outside of measuring staff to still be equipped with the magnetic ring in the dead lever.
In a preferred embodiment of the present invention, the fixing rod includes a rod head and a hollow rod body, the rod head is fastened in the telescopic cylinder by a screw, the hollow rod body extends into the mounting through hole, a gap is formed between an outer wall of the hollow rod body and an inner wall of the mounting through hole, a gap is formed between the inner wall of the hollow rod body and the measuring rod, and the magnetic ring is mounted at the front end of the hollow rod body.
In a preferred embodiment of the utility model, the right end of the telescopic cylinder is provided with a mounting cavity, and the right end of the rod head is fastened in the mounting cavity through a screw.
In a preferred embodiment of the utility model, the cross section of the club head is of a convex structure, the front end part of the club head extends into the mounting through hole, and the rear end of the club head is fastened on the end surface of the mounting cavity through a screw.
In a preferred embodiment of the utility model, a sensor cover is further mounted at the left end of the piston rod.
In a preferred embodiment of the utility model, the piston rod is provided with an oil passage, the oil passage is communicated with the interior of the telescopic cylinder, and the oil inlet of the oil passage pushes the telescopic cylinder to extend or retract through the piston.
In a preferred embodiment of the utility model, the cylinder and the piston rod are connected by a bolt.
The utility model has the beneficial effects that: the built-in sensor hydraulic cylinder for the super-digging cutter is additionally provided with the displacement sensor, so that the super-digging cutter hydraulic cylinder can accurately measure the extension distance of the cutter head.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic structural view of a preferred embodiment of a built-in sensor hydraulic cylinder for a super-excavator blade according to the present invention;
FIG. 2 is a schematic diagram of a prior art hydraulic cylinder for a super-excavator;
the parts in the drawings are numbered as follows: 1. the device comprises a cylinder body, 2, a piston rod, 21, an installation through hole, 3, a guide sleeve, 4, a piston, 5, a telescopic cylinder, 51, an installation cavity, 6, a displacement sensor, 61, a measuring rod, 7, a fixed rod, 71, a rod head, 72, a hollow rod body, 8, a magnetic ring, 9 and a sensor housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
Please refer to fig. 1, a built-in sensor hydraulic cylinder for a super excavator knife comprises a cylinder body 1 and a piston rod 2 connected to the cylinder body 1, wherein the front end of the piston rod 2 extends into the cylinder body 1 and is provided with a guide sleeve 3 and a piston 4, a telescopic cylinder 5 is arranged on the guide sleeve 3 and the piston 4, the telescopic cylinder 5 is positioned inside the cylinder body 1, an installation through hole 21 is formed in the axial direction of the piston rod 2, a displacement sensor 6 is installed at the left end of the piston rod 2, a measuring rod 61 of the displacement sensor 6 extends into the installation through hole 21 along the axial direction, a fixing rod 7 is installed at the right end of the telescopic cylinder 5, the fixing rod 7 penetrates through the telescopic cylinder 5 and extends into the installation through hole 21, the fixing rod 7 is sleeved on the outer side of the measuring rod 61, and a magnetic ring 8 is further installed in the fixing rod 7.
In addition, the fixing rod 7 comprises a rod head 71 and a hollow rod body 72, the rod head 71 is fastened in the telescopic cylinder 5 through a screw, the hollow rod body 72 extends into the installation through hole 21, a gap is formed between the outer wall of the hollow rod body 72 and the inner wall of the installation through hole 21, a gap is formed between the inner wall of the hollow rod body 21 and the measuring rod 61, and the magnetic ring 8 is installed at the front end of the hollow rod body 21.
The right end of the telescopic tube 5 has a mounting cavity 51, the right end of the rod head 71 is fastened in the mounting cavity 51 by a screw, and a cutter head (not shown) is mounted on the telescopic tube 5.
The cross section of the rod head 71 is of a convex structure, the front end of the rod head 71 extends into the mounting through hole 21, and the rear end is fastened to the end face of the mounting cavity 51 by screws.
In addition, a sensor cover 9 is mounted on the left end of the piston rod 2.
In addition, an oil duct is arranged on the piston rod 2 and communicated with the interior of the telescopic cylinder 5, and oil fed into the oil duct pushes the telescopic cylinder 5 to extend or retract through the piston 4.
In addition, the cylinder 1 and the piston rod 2 are fastened and connected by a bolt.
The built-in sensor hydraulic cylinder for the super digging cutter has the following specific working principle: the oil duct 22 of piston rod 2 takes in oil, and fluid promotes piston 4 and drives telescopic cylinder 5 and stretch out forward, and telescopic cylinder 5 passes through dead lever 7 and drives magnetic ring 8 and move forward for measuring staff 61, produces relative movement between magnetic ring 7 and the measuring staff 61 to can the flexible distance of accurate measurement telescopic cylinder 5, real-time supervision installs the tool bit displacement on telescopic cylinder 5, controls tunnel excavation diameter size.
Compared with the prior art, the built-in sensor hydraulic cylinder for the super-digging cutter is additionally provided with the displacement sensor, so that the super-digging cutter hydraulic cylinder can accurately measure the extending distance of the cutter head.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a built-in sensor pneumatic cylinder for surpassing cut, includes the cylinder body and connects the piston rod on the cylinder body, the piston rod front end stretches into in the cylinder body to install and be equipped with uide bushing and piston, be equipped with telescopic cylinder on uide bushing and the piston, telescopic cylinder is located inside the cylinder body, its characterized in that, the installation through-hole has been seted up in the axial of piston rod, displacement sensor is installed to the left end of piston rod, displacement sensor's gage rod stretches into in the installation through-hole along the axial, the dead lever is installed to telescopic cylinder's right-hand member, the dead lever passes telescopic cylinder and stretches into in the installation through-hole, the dead lever cover is established in the outside of gage rod to still be equipped with the magnetic ring in the dead lever.
2. The built-in sensor hydraulic cylinder for a super excavator blade as claimed in claim 1, wherein the fixing rod comprises a rod head and a hollow rod body, the rod head is fastened in the telescopic cylinder through a screw, the hollow rod body extends into the mounting through hole, a gap is formed between the outer wall of the hollow rod body and the inner wall of the mounting through hole, a gap is formed between the inner wall of the hollow rod body and the measuring rod, and the magnetic ring is mounted at the front end of the hollow rod body.
3. The built-in sensor hydraulic cylinder for a super excavator blade of claim 2 wherein the right end of the telescopic cylinder has a mounting cavity and the right end of the rod head is fastened in the mounting cavity by a screw.
4. The built-in sensor hydraulic cylinder for the super excavator blade as claimed in claim 3, wherein the cross section of the rod head is of a convex structure, the front end part of the rod head extends into the mounting through hole, and the rear end of the rod head is fastened on the end face of the mounting cavity through a screw.
5. The built-in sensor hydraulic cylinder for a super-digger blade of claim 4 wherein the left end of the piston rod is further fitted with a sensor housing.
6. The built-in sensor hydraulic cylinder for the super excavator blade as claimed in any one of claims 1 to 5, wherein the piston rod is provided with an oil passage, the oil passage is communicated with the inside of the telescopic cylinder, and oil fed into the oil passage pushes the telescopic cylinder to extend or retract through the piston.
7. The built-in sensor hydraulic cylinder for a super excavator according to claim 6 wherein the cylinder body and the piston rod are fastened together by a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121633308.1U CN215634092U (en) | 2021-07-19 | 2021-07-19 | Built-in sensor hydraulic cylinder for super digging cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121633308.1U CN215634092U (en) | 2021-07-19 | 2021-07-19 | Built-in sensor hydraulic cylinder for super digging cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215634092U true CN215634092U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121633308.1U Active CN215634092U (en) | 2021-07-19 | 2021-07-19 | Built-in sensor hydraulic cylinder for super digging cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215634092U (en) |
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2021
- 2021-07-19 CN CN202121633308.1U patent/CN215634092U/en active Active
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