CN216201105U - Running gear of pipe jacking frame - Google Patents
Running gear of pipe jacking frame Download PDFInfo
- Publication number
- CN216201105U CN216201105U CN202122391474.1U CN202122391474U CN216201105U CN 216201105 U CN216201105 U CN 216201105U CN 202122391474 U CN202122391474 U CN 202122391474U CN 216201105 U CN216201105 U CN 216201105U
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- bearings
- mandrel
- roller
- mounting seat
- baffle plates
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- Rolls And Other Rotary Bodies (AREA)
Abstract
The utility model discloses a walking device of a pipe jacking frame, which comprises a base, two guide rails and a mounting seat, wherein the mounting seat is arranged on each guide rail through respective idler wheels; the mounting seats are connected with the rollers through respective connecting mechanisms, each connecting mechanism comprises two baffle plates fixedly connected with the bottom of the mounting seat, a mandrel penetrating through the two baffle plates, two bearings arranged on the mandrel between the two baffle plates and a spacer sleeve arranged between the two bearings, the rollers are arranged on the two bearings, thrust washers are sleeved on the mandrels on the axial outer sides of the two bearings, sealing seats are fixedly arranged in the rollers on the radial outer sides of the thrust washers, and framework oil seals are arranged on one sides, adjacent to the adjacent bearings, in the sealing seats; the mandrel and the spacer bush are provided with a lubricating oil path which is connected, and the inlet of the lubricating oil path is arranged at the outer end of the mandrel and internally provided with a one-way valve; the utility model can avoid impurities from entering the roller, and can perform good lubrication, prevent corrosion and ensure the normal use of the top pipe frame.
Description
Technical Field
The utility model relates to a walking device of a push bench.
Background
The top pipe frame is an important part of the pipe pushing jack, the walking device of the top pipe frame comprises a base, two guide rails fixedly arranged on the base, more than one mounting seat arranged on each guide rail through respective idler wheels, and oil cylinder support frames and shields can be arranged on different mounting seats; but whole push pipe frame is put in the pit, and operational environment is poor, and impurity is many, the water content is big, easily gets into and arouses in the gyro wheel bite and corruption, and the unable normal removal of gyro wheel influences the use of push pipe frame.
Disclosure of Invention
The utility model aims to provide a walking device of a pipe jacking frame, which can avoid impurities from entering rollers, perform good lubrication, prevent corrosion and ensure the normal use of the pipe jacking frame, aiming at the defects in the prior art.
In order to achieve the purpose, the walking device of the top pipe frame comprises a base, two guide rails fixedly arranged on the base, and more than one mounting seat arranged on each guide rail through respective rollers; the device is characterized in that each mounting seat is connected with a roller through a respective connecting mechanism, each connecting mechanism comprises two baffle plates fixedly connected with the bottom of the mounting seat, a mandrel penetrating through the two baffle plates, two bearings arranged on the mandrel between the two baffle plates and a spacer sleeve arranged between the two bearings, the roller is arranged on the two bearings, the roller and the spacer sleeve are arranged in a radial clearance manner, thrust washers are sleeved on the mandrels on the axial outer sides of the two bearings, sealing seats are fixedly arranged in the rollers on the radial outer sides of the thrust washers, and framework oil seals are arranged on one sides of the sealing seats adjacent to the adjacent bearings; two ends of the mandrel, which are positioned at the outer sides of the two baffles, are respectively provided with a limiting step and a locking nut; the mandrel and the spacer bush are provided with a lubricating oil path which is connected, the inlet of the lubricating oil path is arranged at the outer end of the mandrel and is internally provided with a one-way valve, and the outlet of the lubricating oil path is positioned at the outer circumference of the spacer bush.
When in use, the thrust washer and the sealing seat can prevent impurities from entering the roller and the bearing and prevent jamming; lubricating oil is injected through the one-way valve and the lubricating oil path, the framework oil seal can seal the lubricating oil in the bearing and the roller, good lubricating effect is ensured for a long time, corrosion is prevented, the roller can normally move, and the normal use of the pipe jacking frame is ensured;
as a further improvement of the utility model, a ring groove is arranged in the roller on the axial outer side of the sealing seat, and a retaining ring for fixing the sealing seat is arranged in the ring groove; the fixing effect on the sealing seat is good, and the disassembly and the assembly are convenient;
as a further improvement of the utility model, the bearings are all self-aligning roller bearings; the coaxiality of the roller and the mandrel is improved;
in conclusion, the utility model can avoid impurities from entering the roller, perform good lubrication, prevent corrosion and ensure the normal use of the top pipe frame.
Drawings
FIG. 1 is a front view of an embodiment of the present invention.
Fig. 2 is a front view of a top tube carrier employing an embodiment of the present invention.
Fig. 3 is a top view of fig. 2.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the walking device of the push bench of this embodiment includes a base 1, two guide rails 2 (only one is shown) fixedly disposed on the base, and two mounting seats 4 disposed on each guide rail through respective rollers 3; each mounting seat 4 is connected with a roller 3 through a respective connecting mechanism, each connecting mechanism comprises two baffle plates 5 fixedly connected with the bottom of the mounting seat 4 in a welding mode, a mandrel 6 penetrating through the two baffle plates 5, two self-aligning roller bearings 7 arranged on the mandrel 6 between the two baffle plates 5 and a spacer 8 arranged between the two self-aligning roller bearings 7, the roller 3 is arranged on the two self-aligning roller bearings 7, the roller 3 and the spacer 8 are arranged in a radial direction in a clearance mode, thrust washers 9 are sleeved on the mandrels 6 on the axial outer sides of the two self-aligning roller bearings 7, sealing seats 10 are arranged in the rollers 3 radially outside the thrust washers 9, annular grooves are arranged in the rollers 3 on the axial outer sides of the sealing seats 10, retaining rings 11 for fixing the sealing seats 10 are arranged in the annular grooves, and framework oil seals 12 are arranged on one sides, adjacent to the self-aligning roller bearings 7, in the sealing seats 10; two ends of the mandrel 6, which are positioned at the outer sides of the two baffles 5, are respectively provided with a limiting step and a locking nut 13; the mandrel 6 and the spacer bush 8 are provided with a lubricating oil path 14 which is connected, the inlet of the lubricating oil path 14 is arranged at the outer end of the mandrel 6 and is internally provided with a one-way valve 15, and the outlet of the lubricating oil path 14 is arranged at the outer circumference of the spacer bush 8.
As shown in fig. 2 and 3, when in use, one mounting seat 4 on two guide rails 2 is fixedly connected with respective cylinder support frames 17, the cylinder barrels 18 of two thrust cylinders on one side of each cylinder support frame 17 are connected, and the other mounting seat 4 on two guide rails 2 is fixedly connected with the same shield 19; when in use, the propulsion oil cylinder drives the mounting seat 4 to move on the two guide rails 2 through the oil cylinder support frame 17 and the shield 19;
the thrust washer 9 and the sealing seat 10 can prevent impurities from entering the roller 3 and the self-aligning roller bearing 7 and prevent jamming; lubricating oil is injected through the one-way valve 15 and the lubricating oil path 14, the framework oil seal 12 can seal the lubricating oil in the two self-aligning roller bearings 7 and the roller 3, good lubricating effect is ensured for a long time, corrosion is prevented, the roller 3 can normally move, and therefore normal use of the pipe jacking frame is ensured; the retaining ring 11 has good fixing effect on the sealing seat 10, and is convenient to disassemble and assemble.
Claims (3)
1. A walking device of a pipe jacking frame comprises a base, two guide rails fixedly arranged on the base, and more than one mounting seat arranged on each guide rail through respective idler wheels; the device is characterized in that each mounting seat is connected with a roller through a respective connecting mechanism, each connecting mechanism comprises two baffle plates fixedly connected with the bottom of the mounting seat, a mandrel penetrating through the two baffle plates, two bearings arranged on the mandrel between the two baffle plates and a spacer sleeve arranged between the two bearings, the roller is arranged on the two bearings, the roller and the spacer sleeve are arranged in a radial clearance manner, thrust washers are sleeved on the mandrels on the axial outer sides of the two bearings, sealing seats are fixedly arranged in the rollers on the radial outer sides of the thrust washers, and framework oil seals are arranged on one sides of the sealing seats adjacent to the adjacent bearings; two ends of the mandrel, which are positioned at the outer sides of the two baffles, are respectively provided with a limiting step and a locking nut; the mandrel and the spacer bush are provided with a lubricating oil path which is connected, the inlet of the lubricating oil path is arranged at the outer end of the mandrel and is internally provided with a one-way valve, and the outlet of the lubricating oil path is positioned at the outer circumference of the spacer bush.
2. The top rack traveling device according to claim 1, wherein a ring groove is provided in the roller on the axially outer side of the seal holder, and a retainer ring for fixing the seal holder is provided in the ring groove.
3. The pipe rack walking device of claim 2, wherein said bearings are self-aligning roller bearings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122391474.1U CN216201105U (en) | 2021-09-30 | 2021-09-30 | Running gear of pipe jacking frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122391474.1U CN216201105U (en) | 2021-09-30 | 2021-09-30 | Running gear of pipe jacking frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216201105U true CN216201105U (en) | 2022-04-05 |
Family
ID=80859595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122391474.1U Active CN216201105U (en) | 2021-09-30 | 2021-09-30 | Running gear of pipe jacking frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216201105U (en) |
-
2021
- 2021-09-30 CN CN202122391474.1U patent/CN216201105U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |