CN216181584U - Fixing device for stepping guide table steel rail - Google Patents
Fixing device for stepping guide table steel rail Download PDFInfo
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- CN216181584U CN216181584U CN202122609846.3U CN202122609846U CN216181584U CN 216181584 U CN216181584 U CN 216181584U CN 202122609846 U CN202122609846 U CN 202122609846U CN 216181584 U CN216181584 U CN 216181584U
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- guide table
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Abstract
The utility model discloses a fixing device for a stepping guide table steel rail, which comprises positioning steel bars, a bottom supporting plate, two pressing plates and fixing nuts, wherein the positioning steel bars are embedded in the stepping guide table, the bottom supporting plate is arranged on the top surface of the stepping guide table, the steel rail is arranged above the bottom supporting plate, the two pressing plates are respectively arranged on two sides of the steel rail and are arranged on a base in a pressure equalizing manner, through holes are formed in the bottom supporting plate and the pressing plates, the positioning steel bars penetrate through the through holes in the bottom supporting plate and the pressing plates, the fixing nuts are sleeved at the upper ends of the positioning steel bars, and the fixing nuts are positioned above the pressing plates; through above-mentioned structure, after the sky pushes away the station, can demolish this fixing device, realize retrieving reuse to the rail, simultaneously, above-mentioned structure has strengthened the firm degree that the rail is fixed on step-by-step guide table, and then has improved the step-by-step efficiency of sky push.
Description
Technical Field
The utility model relates to the technical field of tunnel construction equipment, in particular to a fixing device for a stepping guide table steel rail.
Background
When a Tunnel Boring Machine (TBM) or a shield Machine is pushed empty, a stepping guide table mode is often adopted, a sliding steel rail is pre-buried in the stepping guide table, and a bracket is mounted on the sliding steel rail to push forward. After the air-pushing of the equipment is stepped, the steel rail cannot be detached, so that material waste is caused, the anchoring of the sliding steel rail and the stepping guide table is not firm, the sliding steel rail is easy to break, and the air-pushing stepping efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a fixing device for a steel rail of a stepping guide table, which can solve the problem that the steel rail cannot be removed after empty-pushing of TBM or shield equipment, so that waste is caused.
The fixing device comprises two positioning steel bars, a bottom supporting plate, pressing plates and fixing nuts, wherein the two positioning steel bars are arranged in one group, the two positioning steel bars are embedded in the stepping guide table, the upper ends of the positioning steel bars extend out of the top surface of the stepping guide table, the bottom supporting plate is arranged on the top surface of the stepping guide table, the steel rails are arranged above the bottom supporting plate, the two pressing plates are respectively arranged on two sides of the steel rails, the two pressing plates are arranged above the base and are arranged on the base in a pressure equalizing manner, the bottom supporting plate and the pressing plates are respectively provided with through holes, the positioning steel bars penetrate through the through holes in the bottom supporting plate and the pressing plates, the fixing nuts are sleeved at the upper ends of the positioning steel bars, and the fixing nuts are positioned above the pressing plates.
According to the fixing device for the stepping guide table steel rail, the positioning steel bars are L-shaped, and the two positioning steel bars are symmetrically arranged on two sides of the steel rail.
According to the fixing device for the stepping guide table steel rail, the pressing plate is provided with a notch, the notch is connected with the bottom surface of the pressing plate and the side surface close to the steel rail, and the steel rail is inserted into the notch.
According to the fixing device for the stepping guide table steel rail, the fixing device further comprises a sleeve, the sleeve is simultaneously inserted into the through hole in the bottom supporting plate and the through hole in the pressing plate, and the positioning steel bar penetrates through the sleeve.
According to the fixing device for the stepping guide table steel rail, the torsion spring, the first pin column and the second pin column are arranged on the top surface of the bottom supporting plate, the torsion spring is sleeved on the first pin column, one torsion arm at one end of the torsion spring is connected with the side wall of the pressing plate, and the other torsion arm at the other end of the torsion spring is connected with the second pin column.
According to the fixing device for the stepping guide table steel rail, the fixing device further comprises a positioning assembly, the positioning assembly comprises a positioning cover and positioning nuts, the positioning cover is covered on the steel rail, flanges are arranged on two sides of the bottom of the positioning cover, the positioning nuts are rotatably arranged on the two flanges, and the two positioning nuts are in one-to-one corresponding sleeve connection with the two positioning steel bars.
Has the advantages that: when the stepping guide platform is used, after the positioning steel bars are installed according to a design drawing, the stepping guide platform template is installed and concrete is poured to form the stepping guide platform, the positioning steel bars are fixed, the bottom supporting plate and the steel rail are installed on the positioning steel bars, two sides of the bottom of the steel rail are pressed tightly through the pressing plate, the positioning steel bars penetrate through the bottom supporting plate and the pressing plate, the upper ends of the positioning steel bars are sleeved with fixing nuts, and the fixing nuts fix the pressing plate; through above-mentioned structure, after the sky pushes away the station, can demolish this fixing device, realize retrieving reuse to the rail, simultaneously, above-mentioned structure has strengthened the firm degree that the rail is fixed on step-by-step guide table, and then has improved the step-by-step efficiency of sky push.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a front view of a first embodiment of the present invention;
FIG. 2 is a top view of the first embodiment of the present invention;
FIG. 3 is a schematic view of the first embodiment of the present invention in conjunction with a step guide and a rail;
FIG. 4 is a top view of a second embodiment of the present invention;
FIG. 5 is a cross-sectional view of a second embodiment of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 5;
fig. 7 is a schematic structural view of a stepping guide table and a rail according to a third embodiment of the present invention.
In the figure: 1. the step guide table comprises a step guide table, 2 steel rails, 21 a base, 22 a bearing part, 3 a fixing device, 31 a positioning steel bar, 32 a bottom supporting plate, 33 a pressing plate, 34 a fixing nut, 35 a notch, 4 a sleeve, 51 a torsion spring, 52 a first pin, 53 a second pin, 6 a positioning assembly, 61 a positioning cover and 62 a positioning nut.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, greater than, less than, exceeding, etc. are understood as excluding the present numbers, and the above, below, inside, etc. are understood as including the present numbers. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1-3, a first embodiment of a fixing device for a stepping guide table rail is provided, for fixing a rail 2 on a stepping guide table 1, the rail 2 having a base 21 and a support portion 22, the fixing device 3 including two sets of positioning steel bars 31, a bottom support plate 32, a pressing plate 33 and a fixing nut 34, the two sets of positioning steel bars 31 being embedded in the stepping guide table 1, the upper ends of the positioning steel bars 31 extending out of the top surface of the stepping guide table 1, the bottom support plate 32 being disposed on the top surface of the stepping guide table 1, the rail 2 being disposed above the bottom support plate 32, the two pressing plates 33 being disposed on two sides of the rail 2, the two pressing plates 33 being disposed above the base 21 of the rail 2 and being pressure-equalized on the base 21, the bottom support plate 32 and the pressing plate 33 being provided with through holes, the positioning steel bars 31 being inserted through the through holes on the bottom support plate 32 and the pressing plates 33, the fixing nut 34 is sleeved on the upper end of the positioning steel bar 31, and the fixing nut 34 is located above the pressing plate 33.
When the steel rail positioning device is used, firstly, positioning steel bars 31 are installed according to a design drawing, then templates of the stepping guide table 1 are installed, concrete is poured to form the stepping guide table 1, the bottoms of the positioning steel bars 31 are fixed, a bottom supporting plate 32 and a steel rail 2 are installed on the positioning steel bars 31, two sides of the bottom of the steel rail 2 are pressed through a pressing plate 33, the positioning steel bars 31 penetrate through the bottom supporting plate 32 and the pressing plate 33, fixing nuts 34 are sleeved at the upper ends of the positioning steel bars 31, and the pressing plate 33 is fixed through the fixing nuts 34; through above-mentioned structure, pushing through after the station in the sky, can demolish this fixing device 3, realize retrieving reuse to rail 2, simultaneously, above-mentioned structure has strengthened rail 2 and has led the firm degree of 1 fixed on the platform in step-by-step, reduces the emergence probability of the 2 fracture circumstances of rail, and then has improved the step-by-step efficiency of empty promotion.
In this embodiment, it is preferable that the fixing devices 3 are arranged in multiple groups in the extending direction of the steel rail 2, and the distance between every two adjacent fixing devices 3 is one meter, so as to achieve the best fixing effect of the steel rail 2.
Preferably, the positioning steel bars 31 are L-shaped, and the two positioning steel bars 31 are symmetrically arranged on two sides of the steel rail 2, so that the anchoring stability of the positioning steel bars 31 in concrete is improved, and the overall firmness of the fixing device 3 is improved.
Further, the pressing plate 33 has a notch 35, the notch 35 connects the bottom surface of the pressing plate 33 and the side surface close to the rail 2, and the rail 2 is inserted into the notch 35. The shape of the notch 35 is matched with the shape of the side of the base 21 of the steel rail 2, so that the firmness of the pressing plate 33 for pressing and fixing the steel rail 2 is improved.
Referring to fig. 4-6, a second embodiment of the fixture for a stepping guide table rail is provided, and on the basis of the above embodiment, the fixture for a stepping guide table rail further includes a sleeve 4, the sleeve 4 is simultaneously inserted into a through hole on the bottom support plate 32 and a through hole on the pressing plate 33, and the positioning steel bar 31 is inserted through the sleeve 4. When the fixing device is used, the orientation of the steel rail 2 usually faces to the side upper side, the sleeve 4 is sleeved between the positioning steel bar 31 and the bottom supporting plate 32 and the pressing plate 33, when the device is pushed in the air, the shearing force borne by the positioning steel bar 31 is reduced, the bending of the positioning steel bar 31 is avoided, and the overall firmness of the fixing device 3 is improved.
Further, the top surface of the bottom supporting plate 32 is provided with a torsion spring 51, a first pin 52 and a second pin 53, the torsion spring 51 is sleeved on the first pin 52, one end of the torsion spring 51 is connected with the side wall of the pressing plate 33, and the other end of the torsion spring 51 is connected with the second pin 53. After the equipment is driven to move in an idle mode, when the fixing device 3 is detached and the steel rail 2 is recovered, only the fixing nut 34 needs to be unscrewed, the pressing plate 33 rotates under the pulling of the torsion spring 51 and automatically moves away from the upper side of the base 21 of the steel rail 2, a worker can directly take out the steel rail 2, and the detaching efficiency is improved.
Referring to fig. 7, a third embodiment of a fixing device for a stepping guide table steel rail is provided, on the basis of the above embodiment, the fixing device 3 further includes a positioning assembly 6, the positioning assembly 6 includes a positioning cover 61 and a positioning nut 62, the positioning cover 61 is covered on the steel rail 2, and both sides of the bottom of the positioning cover 61 are respectively provided with a flange, the two flanges are respectively rotatably provided with the positioning nut 62, the two positioning nuts 62 are sleeved with the two positioning steel bars 31 in a one-to-one correspondence manner, and the positioning nut 62 is in threaded fit with the upper ends of the positioning steel bars 31. During the use, locate the position cover 61 cover on rail 2, screw up two set nuts 62 on the position cover 61 turn-ups, position cover 61 plays the fixed action of location to rail 2 in the installation, avoids rail 2 to take place to slide under the action of gravity, improves follow-up fixing device 3's installation effectiveness.
The utility model provides a fixing device for a stepping guide table steel rail, which is characterized in that when the fixing device is used, after positioning steel bars 31 are installed according to a design drawing, a template of the stepping guide table 1 is installed, concrete is poured to form the stepping guide table 1, the positioning steel bars 31 are fixed, a bottom supporting plate 32 and a steel rail 2 are installed on the positioning steel bars 31, two sides of the bottom of the steel rail 2 are pressed tightly through a pressing plate 33, the positioning steel bars 31 penetrate through the bottom supporting plate 32 and the pressing plate 33, fixing nuts 34 are sleeved at the upper ends of the positioning steel bars 31, and the pressing plate 33 is fixed through the fixing nuts 34; through above-mentioned structure, after the sky pushes away the station, can demolish this fixing device 3, realize retrieving reuse to rail 2, simultaneously, above-mentioned structure has strengthened rail 2 and has led the firm degree of 1 upper setting at step-by-step, and then has improved the step-by-step efficiency of sky push.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (6)
1. A fixing device of step-by-step guide table rail for with rail (2) be fixed in step-by-step guide table (1), rail (2) have base (21) and supporting portion (22), its characterized in that: the fixing device (3) comprises positioning steel bars (31), a bottom supporting plate (32), two pressing plates (33) and fixing nuts (34), the two positioning steel bars (31) are arranged in one group, the two positioning steel bars (31) are embedded in the stepping guide table (1), the upper ends of the positioning steel bars (31) extend out of the top surface of the stepping guide table (1), the bottom supporting plate (32) is arranged on the top surface of the stepping guide table (1), the steel rail (2) is arranged above the bottom supporting plate (32), the two pressing plates (33) are arranged in two groups, the two pressing plates (33) are respectively arranged at two sides of the steel rail (2), the two pressing plates (33) are arranged above the base (21) and are arranged on the base (21) in a pressure-sharing manner, through holes are formed in the bottom supporting plate (32) and the pressing plates (33), and the positioning steel bars (31) penetrate through the through holes in the bottom supporting plate (32) and the pressing plates (33), the fixing nut (34) is sleeved at the upper end of the positioning steel bar (31), and the fixing nut (34) is located above the pressing plate (33).
2. The fixing device for the stepping guide table steel rail is characterized in that the positioning steel bars (31) are L-shaped, and the two positioning steel bars (31) are symmetrically arranged on two sides of the steel rail (2).
3. A stepping guide rail fixing device according to claim 2, characterized in that the pressure plate (33) has a notch (35), the notch (35) connects the bottom surface of the pressure plate (33) with the side surface close to the rail (2), and the rail (2) is inserted into the notch (35).
4. A fixing device for a stepping guide table rail according to claim 3, characterized in that the fixing device (3) further comprises a sleeve (4), the sleeve (4) is inserted into the through hole on the bottom support plate (32) and the through hole on the pressure plate (33), and the positioning steel bar (31) is inserted into the sleeve (4).
5. The fixing device for the stepping guide table steel rail according to claim 4, wherein the top surface of the bottom supporting plate (32) is provided with a torsion spring (51), a first pin (52) and a second pin (53), the first pin (52) is sleeved with the torsion spring (51), one end of the torsion spring (51) is connected with the side wall of the pressing plate (33) in a torsion manner, and the other end of the torsion spring is connected with the second pin (53) in a torsion manner.
6. The fixing device for the stepping guide table steel rail is characterized in that the fixing device (3) further comprises a positioning component (6), the positioning component (6) comprises a positioning cover (61) and positioning nuts (62), the positioning cover (61) is covered on the steel rail (2), flanges are arranged on two sides of the bottom of the positioning cover (61), the positioning nuts (62) are rotatably arranged on the two flanges, and the two positioning nuts (62) are sleeved with the two positioning steel bars (31) in a one-to-one correspondence mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122609846.3U CN216181584U (en) | 2021-10-28 | 2021-10-28 | Fixing device for stepping guide table steel rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122609846.3U CN216181584U (en) | 2021-10-28 | 2021-10-28 | Fixing device for stepping guide table steel rail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216181584U true CN216181584U (en) | 2022-04-05 |
Family
ID=80892354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122609846.3U Active CN216181584U (en) | 2021-10-28 | 2021-10-28 | Fixing device for stepping guide table steel rail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216181584U (en) |
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2021
- 2021-10-28 CN CN202122609846.3U patent/CN216181584U/en active Active
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