CN213481983U - A simple and easy device for short-term test shield tail grease performance - Google Patents
A simple and easy device for short-term test shield tail grease performance Download PDFInfo
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- CN213481983U CN213481983U CN202021449960.3U CN202021449960U CN213481983U CN 213481983 U CN213481983 U CN 213481983U CN 202021449960 U CN202021449960 U CN 202021449960U CN 213481983 U CN213481983 U CN 213481983U
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Abstract
The utility model discloses a simple device for rapidly detecting grease performance of a shield tail, which belongs to the technical field of shield construction, and comprises a hollow cylinder body, wherein one end of the cylinder body is provided with a pressurizing hole, the other end of the cylinder body is provided with an overflow hole, and the cylinder body is provided with a pressure gauge communicated with the cylinder body; the shield tail grease is filled in the barrel body independently or together with water, so that the performance of judging the grease simply and efficiently is achieved, an important basis is provided for purchasing the shield tail grease and the grease in the hole, the shield tail brush is protected, the construction risk and the construction cost are reduced, and the problems of difficulty in selecting the grease and incapability of detecting the grease on site are solved.
Description
Technical Field
The utility model belongs to the technical field of the shield constructs the construction, particularly, relate to a simple and easy device for short-term test shield tail grease performance.
Background
With the vigorous development of the domestic traffic industry, subway tunnels and river-crossing tunnels are more and more common, and the application of the shield construction method in underground tunnels is more and more extensive. Shield tail grease is the main sealing material between section of jurisdiction and the shield tail, sends into the grease chamber through the tubing pump, belongs to daily consumptive material, and its main effect is the protection shield tail brush, isolated groundwater and silt. Therefore, the tail grease must have good pumpability, water tightness and adhesion.
The pumpability and the water tightness are important indexes for judging the grease quality. The grease with good pumping performance can supplement lost grease into the grease cavity in time, the grease with good water tightness can effectively isolate underground water and silt, the risk of shield tail leakage can be reduced, and the shield tail brush is protected. However, at present, no uniform detection equipment, detection method and detection standard for the performance of shield tail grease exist in China, and a simple tool is urgently needed when a shield tail grease brand is selected, the performance of the grease can be detected and compared, and an optimal brand is selected.
At present, the brands of the domestic grease are numerous and uneven, and the price of the imported grease is high. The grease performance is detected and judged according to no referential specification at present, most projects do not know how to detect the performance of the shield tail grease, a detection device is also lacked, the grease is selected only through experience, the selection of the grease brand is greatly influenced by human factors, the optimal product is difficult to select, and the project risk reduction and the construction cost control are not facilitated.
SUMMERY OF THE UTILITY MODEL
In view of this, in order to solve the above-mentioned problem that prior art exists, the utility model aims at providing a simple and easy device for short-term test shield tail grease performance is in order to reach the performance that can simple efficient judgement grease, for purchasing shield tail grease, the interior grease of hole detects and provides important foundation, is favorable to protecting the shield tail brush, reduces the purpose of construction risk and cost, solves the difficult problem that the grease lectotype is difficult, on-the-spot unable detection.
The utility model discloses the technical scheme who adopts does: a simple device for rapidly detecting grease performance of a shield tail comprises a barrel body in a hollow structure, wherein one end of the barrel body is provided with a pressurizing hole, the other end of the barrel body is provided with an overflow hole, and the barrel body is provided with a pressure gauge communicated with the barrel body; the cylinder body is filled with shield tail grease alone or with shield tail grease and water together.
Further, the barrel is vertical and arranges, and the top and the bottom of barrel are equipped with respectively pressurization hole and overflow hole maintain the internal pressure of barrel invariable through the pressurization hole, judge the performance of shield tail grease in the overflow time through the overflow hole.
Furthermore, the barrel includes barrel and lower barrel, the open end of going up the barrel can dismantle and sealing connection with the open end of barrel down, and the tip of going up barrel and barrel down is equipped with respectively pressurization hole and overflow hole, and usable site material assembles the transformation, simple structure and with low costs.
Furthermore, the open end of the upper barrel and the open end of the lower barrel are both provided with flange plates, the flange plates are connected in a sealing mode through bolts, the upper barrel and the lower barrel are connected through bolts, the sealing gaskets are used for sealing water, and the sealing performance is good.
Further, the pressurizing hole is connected with an air compressor, the pressure in the cylinder body is maintained to be constant through the air compressor, and the condition of an overflow hole of the lower cylinder body is observed, so that the performance of the shield tail grease is judged.
Furthermore, when water is filled in the upper barrel and shield tail grease is filled in the lower barrel, a steel wire mesh or a shield tail brush is arranged at the bottom of the lower barrel, so that the environment of a grease cavity of the shield machine is truly simulated, and the detection result is reliable.
Further, the pressure gauge is arranged on the upper cylinder body to ensure that the pressure in the cylinder body is kept constant.
The utility model has the advantages that:
1. adopt the utility model provides a simple and easy device for short-term test shield tail grease performance, fill alone or fill jointly through shield tail grease and water through shield tail grease in its barrel, the pressure constancy in maintaining the barrel through the pressurization hole, overflow time through observing the overflow hole, can carry out short-term test to the pumpability and the water tightness of shield tail grease, the overall structure is simple, can assemble by site material and reform transform and require lowly to the environment, small has, light in weight, high strength, be convenient for artifical transport and the advantage of easy protection.
Drawings
Fig. 1 is a schematic structural diagram of a simple device for rapidly detecting the grease pumping performance of a shield tail provided by the present invention in embodiment 1;
fig. 2 is a schematic structural diagram of a simple device for rapidly detecting the grease performance of the shield tail according to the present invention, which is used for detecting the water tightness of the grease of the shield tail in embodiment 1;
fig. 3 is a schematic view of an assembly structure of an upper barrel and a lower barrel in embodiment 2 of the simple device for rapidly detecting grease on a shield tail provided by the present invention;
the drawings are labeled as follows:
1-a pressurized orifice; 2, mounting the cylinder; 3-a pressure gauge; 4-a flange plate; 5-lower cylinder body; 6-bolt; 7-an overflow aperture; 8-shield tail grease; 9-wire mesh (or shield tail brush); 10-clear water; 11-positioning holes.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the embodiments of the present invention, it should be noted that the indication of the position or the positional relationship is based on the position or the positional relationship shown in the drawings, or the position or the positional relationship that the utility model is usually placed when using, or the position or the positional relationship that the skilled person conventionally understands, or the position or the positional relationship that the utility model is usually placed when using, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or suggest that the indicated device or element must have a specific position, be constructed and operated in a specific position, and thus, cannot be understood as limiting the present invention. Furthermore, the terms "first" and "second" are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases for a person of ordinary skill in the art; the drawings in the embodiments are provided to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Example 1
In order to solve the difficult problem of grease lectotype difficulty, on-the-spot unable detection, specifically provide a simple and easy device for short-term test shield tail grease performance in this embodiment, including being hollow structure and being the vertical barrel of arranging, adopt the galvanized steel pipe preparation for enclosure space and barrel in the barrel, have the advantage that the surface is smooth, the washing is convenient and the durability is good. In this embodiment, the barrel includes barrel and lower barrel, the open end of going up the barrel can dismantle and sealing connection with the open end of barrel down, goes up barrel and lower barrel both can break away from each other promptly, but also mutual assembly connects and after assembly connects, can ensure the leakproofness of connecting. The top end of the upper cylinder body and the bottom end of the lower cylinder body are respectively provided with the pressurizing hole and the overflow hole, and the pressure-bearing cylinder can be assembled and transformed by using field materials, and is simple in structure and low in cost. Of course, it is only the preferable scheme of this embodiment that the upper and lower cylinder bodies are combined to form the cylinder body, and an integral cylinder body may also be used, in which a filling hole is formed on the cylinder body, and shield tail grease and/or water is filled through the filling hole, and after the filling hole is sealed after the filling meets the requirement, corresponding performance detection may be performed.
In practical application, the open end of the upper barrel and the open end of the lower barrel are both provided with flange plates, the flange plates are connected in a sealing mode through bolts, so that the upper barrel and the lower barrel are assembled and connected to form a closed space, the upper barrel and the lower barrel are connected through bolts, the sealing gasket stops water, and sealing performance is good.
An air compressor is connected with the pressurizing hole, the pressure in the closed space of the cylinder is kept constant through the air compressor, the other end of the cylinder is used for observing the overflow time of the overflow hole of the lower cylinder, so that the performance of the shield tail grease is judged, a pressure gauge communicated with the upper cylinder is arranged on the upper cylinder, and the constant pressure in the cylinder is ensured through observing the reading of the pressure gauge;
the specific operation procedures are respectively as follows:
(1) for detecting the pumping performance of the shield tail grease: the upper cylinder and the lower cylinder are filled with shield tail grease, the pressure gauge is connected, the upper cylinder and the lower cylinder are connected into a whole through the flange plate by using bolts, a sealing space is formed in the upper cylinder and the lower cylinder, the air compressor is connected into the pressurizing hole at the top of the upper cylinder, the pressure in the cylinder is kept constant, the time for overflowing all the shield tail grease is observed through the overflow hole, the shorter the time is, the better the pumping performance is, and the main structure is shown in figure 1.
(2) For detecting the water tightness of the shield tail grease: one deck wire net (or shield tail brush) is filled up to the bottommost of barrel under, and the remaining part is filled with shield tail grease, fills up water and connects the manometer on last barrel at last barrel, and the thickness ratio of shield tail grease and clear water is 1 in the barrel: 1, an upper barrel and a lower barrel are connected into a whole through a flange plate by bolts, a sealed space is formed in the upper barrel and the lower barrel, a pressurizing hole in the top is connected with an air compressor to maintain the pressure in the barrels to be constant, the time for overflowing clear water is observed through an overflow hole, the longer the time, the better the water tightness is, and the main structure is shown in fig. 2. Because the bottom of the lower cylinder body is provided with the steel wire mesh or the shield tail brush, the environment of the grease cavity of the shield machine is simulated really, and the detection result is reliable.
Example 2
For further improving the assembling convenience between the upper barrel and the lower barrel, as shown in fig. 3, the flange plates arranged on the upper barrel and the lower barrel are respectively an upper flange plate and a lower flange plate, a plurality of bolts are uniformly arranged on the upper flange plate along the circumferential direction of the upper flange plate, a plurality of positioning holes are uniformly arranged on the lower flange plate along the circumferential direction of the lower flange plate, each positioning hole is correspondingly matched with each bolt respectively, the positioning holes are arranged in a hanging hole shape, the hanging hole shape is communicated through a large hole and a small hole, and the small hole is matched with the bolts.
When the upper barrel body and the lower barrel body are required to be assembled and connected, each bolt correspondingly penetrates through each positioning hole, then the upper barrel body and the lower barrel body rotate relatively, each bolt can be screwed into the small hole of each positioning hole respectively, at the moment, the upper barrel body and the lower barrel body are preliminarily positioned and locked, and the nuts on the bolts are screwed to complete sealing connection.
The present invention is not limited to the above-mentioned optional embodiments, and any other products in various forms can be obtained by anyone under the teaching of the present invention, and any changes in the shape or structure thereof, all the technical solutions falling within the scope of the present invention, are within the protection scope of the present invention.
Claims (4)
1. A simple device for rapidly detecting grease performance of a shield tail is characterized by comprising a hollow cylinder body, wherein one end of the cylinder body is provided with a pressurizing hole, the other end of the cylinder body is provided with an overflow hole, and the cylinder body is provided with a pressure gauge communicated with the cylinder body;
the cylinder bodies are vertically arranged, and the top end and the bottom end of each cylinder body are respectively provided with the pressurizing hole and the overflow hole; the barrel comprises an upper barrel and a lower barrel, the open end of the upper barrel is detachably and hermetically connected with the open end of the lower barrel, and the end parts of the upper barrel and the lower barrel are respectively provided with the pressurizing hole and the overflow hole;
the cylinder body is filled with shield tail grease alone or with shield tail grease and water together; when water is filled in the upper barrel body and shield tail grease is filled in the lower barrel body, a steel wire mesh or a shield tail brush is arranged at the bottom of the lower barrel body.
2. The simple device for rapidly detecting the grease performance of the shield tail according to claim 1, wherein the open end of the upper cylinder and the open end of the lower cylinder are respectively provided with a flange plate, and the flange plates are connected in a sealing manner through bolts.
3. The simple device for rapidly detecting the grease property of the shield tail according to claim 1, wherein an air compressor is connected to the pressurizing hole, and the pressure in the cylinder body is kept constant through the air compressor.
4. The simple device for rapidly detecting the grease property of the shield tail according to claim 1, wherein the pressure gauge is arranged on the upper cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449960.3U CN213481983U (en) | 2020-07-21 | 2020-07-21 | A simple and easy device for short-term test shield tail grease performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449960.3U CN213481983U (en) | 2020-07-21 | 2020-07-21 | A simple and easy device for short-term test shield tail grease performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213481983U true CN213481983U (en) | 2021-06-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021449960.3U Active CN213481983U (en) | 2020-07-21 | 2020-07-21 | A simple and easy device for short-term test shield tail grease performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213481983U (en) |
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2020
- 2020-07-21 CN CN202021449960.3U patent/CN213481983U/en active Active
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