CN210802411U - Middle arc length detection device of large-diameter shield segment mold - Google Patents
Middle arc length detection device of large-diameter shield segment mold Download PDFInfo
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- CN210802411U CN210802411U CN201922292357.2U CN201922292357U CN210802411U CN 210802411 U CN210802411 U CN 210802411U CN 201922292357 U CN201922292357 U CN 201922292357U CN 210802411 U CN210802411 U CN 210802411U
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Abstract
The utility model discloses a middle arc length detection device of a large-diameter shield segment mould, which comprises a pair of connecting rods arranged in parallel, wherein the middle parts of the pair of connecting rods are sleeved with a measuring mechanism, two sides of the measuring mechanism are provided with positioning mechanisms sleeved on the pair of connecting rods, each positioning mechanism comprises a positioning plate and a pair of positioning shaft sleeves sleeved on the pair of connecting rods, the positioning plates are provided with positioning holes corresponding to the positioning shaft sleeves, the positioning shaft sleeves pass through the positioning holes and are fixed with the positioning plates through the positioning pins, the outer surfaces of the positioning plates are tightly attached to the reference surfaces of side moulds for positioning, the side surfaces of the positioning plates are provided with a pair of positioning lugs tightly attached to the reference surfaces of the end moulds of the moulds for positioning; the measuring mechanism comprises a measuring lug corresponding to the positioning lug. The utility model discloses the middle arc length that can effectively detect the mould improves the precision that detects greatly to simple structure, the cost is very low, and detection method is swift, and the popularity is very strong.
Description
Technical Field
The utility model relates to a shield constructs section of jurisdiction technical field, concretely relates to major diameter shield constructs middle arc length detection device of section of jurisdiction mould.
Background
Since the last 90 s, the shield tunneling technology has been rapidly developed with the development and utilization of the underground space in China and the large-scale development of infrastructure construction such as traffic and energy. Particularly, in the field of river-crossing sea-crossing traffic, large-diameter shields under different geological conditions are used successively. One of the most critical components in shield construction is the tunnel lining segment. With the rapid development of shield construction, the demand of tunnel lining segments is increasing day by day; the tunnel lining segment is used as a main concrete prefabricated part for shield construction, the production process is complex, and the requirements are more and more serious. Wherein, the pouring of each shield segment is mainly completed by a segment mould.
Because in the tunnel construction process, the situation of crackle, damage, seepage appears in the section of jurisdiction, and the size precision requirement of section of jurisdiction is more and more strict, and large diameter shield constructs the section of jurisdiction especially, and the size precision of section of jurisdiction depends on the mould. Therefore, the control of relevant dimensions (width, arc length) is particularly important in the manufacturing process of the die.
In the production and use process of the die, due to vibration or other factors, the die is easy to adjust through a detection tool to meet the precision requirement, and the size change is easy to occur. Summarizing according to the actual use state of the die, the width size change of the die can be easily adjusted and controlled within a certain precision range, the size precision of the arc length of the die is generally low, particularly the middle arc length, mainly because the existing die manufacturers do not have effective end die flatness detection devices, the middle arc length of the die cannot be effectively detected, most of the manufacturers generally adopt steel tape measures for measurement, and the precision is low; some manufacturers use a customized detection sample cabinet, only can detect the arc lengths at two sides, and cannot detect the middle arc length; some manufacturers adopt a laser tracker to scan and detect, the detection environment requirement is high, the detection cost is high, and the universality is not strong.
Therefore, it is necessary to develop a middle arc length detection device of a shield segment mold, which has a simple structure and high detection precision.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a major diameter shield constructs section of jurisdiction mould middle arc length detection device, this detection device can solve the unable high accuracy of current shield structure section of jurisdiction mould middle arc length, the technical problem that detects is carried out to the low cost.
In order to realize the purpose, the technical scheme of the utility model is that:
a middle arc length detection device of a large-diameter shield segment mold comprises a pair of connecting rods arranged in parallel, wherein a measuring mechanism is sleeved in the middle of the pair of connecting rods, positioning mechanisms are arranged on two sides of the measuring mechanism and sleeved on the pair of connecting rods, each positioning mechanism comprises a positioning plate and a pair of positioning shaft sleeves sleeved on the pair of connecting rods, positioning holes corresponding to the positioning shaft sleeves are formed in the positioning plates, the positioning shaft sleeves penetrate through the positioning holes and are fixed with the positioning plates through positioning pins, the outer surfaces of the positioning plates are tightly attached to and positioned on the reference surfaces of side molds of the mold, a pair of positioning convex blocks tightly attached to and positioned on the reference surfaces of the end molds of the mold are arranged on the side surfaces of the positioning plates, and the pair of positioning shaft sleeves are placed; the measuring mechanism comprises a measuring lug corresponding to the positioning lug.
Compared with the prior art, the beneficial effect of the above technical scheme is:
the utility model discloses measuring mechanism is established to a pair of connecting rod middle part cover, the location axle sleeve is established to the both sides cover, a pair of location axle sleeve is placed on the side form outer arc and is tangent location with side form outer arc reference surface, locating plate surface and side form reference surface on the location axle sleeve paste tight location, the location lug and the end mould reference surface of locating plate side paste tight location, measuring mechanism includes the measurement lug that corresponds with the location lug, therefore the back is accomplished in the locating plate location, the summit of measuring the lug this moment is in the end cover reference surface, there is the clearance between it and the end cover and promptly represents end mould roughness error, can effectively detect the middle arc length of mould through the interval of measuring measurement lug and end cover reference surface, the precision of detection is greatly improved, and simple structure, the cost is very low, the detection method is swift, the popularity is very strong.
The utility model discloses a further improvement scheme as follows:
furthermore, the measuring mechanism comprises a measuring plate and a pair of fixed shaft sleeves sleeved on the pair of connecting rods, the measuring plate is provided with fixed holes corresponding to the fixed shaft sleeves, the fixed shaft sleeves penetrate through the fixed holes and are fixed with the measuring plate through the fixing mechanism, and the measuring bumps are arranged on the side faces of the measuring plate.
By adopting the scheme, the measuring plate is sleeved on the pair of connecting rods through the fixing shaft, the measuring convex blocks corresponding to the positioning convex blocks are arranged on the side faces of the measuring plate, after the positioning of the positioning plate and the pair of connecting rods is completed, the vertex of the measuring convex blocks is controlled to be positioned on the reference surface of the end cover, and the middle arc length measurement can be completed by directly measuring the distance between the measuring convex blocks and the end cover.
Furthermore, the upper part and the lower part of the side surface of the measuring plate are both provided with the measuring bumps.
By adopting the scheme, the upper part and the lower part are respectively provided with the measuring lug, and the distance between the upper part and the lower part of the end cover and the reference surface of the end cover can be measured.
Further, the fixing mechanism comprises a fixing bolt, a gasket and a fixing nut.
Further, the connecting rod comprises screw rod parts on two sides and a connecting part arranged at the middle part, the screw rod parts and the connecting part are connected through a connecting shaft sleeve, the positioning shaft sleeve is arranged on the screw rod parts, the measuring mechanism is arranged on the connecting part in a sleeved mode, and the measuring mechanism is arranged along the connecting part in a sliding mode.
Through adopting above-mentioned scheme, can be through the position of partial rotation adjustment location axle sleeve on the connecting rod of lead screw to the mould of different width of adaptation.
Furthermore, a gap is arranged between the positioning shaft sleeve and the inner wall of the positioning hole.
By adopting the scheme, fine adjustment operation during positioning operation is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is a view from direction a in fig. 1.
Fig. 3 is a view from direction B in fig. 1.
Shown in the figure:
1. a connecting rod; 101. a screw part; 102. a connecting portion; 103. connecting the shaft sleeve;
2. a measuring mechanism; 201. measuring a plate; 202. fixing the shaft sleeve; 203. a fixing hole; 204. measuring the bump; 205. fixing the bolt; 206. a gasket; 207. fixing a nut;
3. a positioning mechanism; 301. positioning a plate; 302. positioning the shaft sleeve; 303. positioning holes; 304. positioning pins; 305. positioning the bump;
4. a side die outer arc datum plane;
5. a side mold datum plane;
6. end cap datum plane.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.
It is to be noted that unless otherwise specified, technical or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which the present invention belongs.
In the description of the present application, it is to be understood that the terms "center", "length", "width", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
As shown in fig. 1-3, the middle arc length detection device for the large-diameter shield segment mold provided in this embodiment includes a pair of parallel connecting rods 1, a measuring mechanism 2 is sleeved in the middle of the pair of connecting rods 1, and positioning mechanisms 3 are disposed on two sides of the measuring mechanism 2 and sleeved on the pair of connecting rods 1.
The positioning mechanism 3 includes a positioning plate 301 and a pair of positioning shaft sleeves 302 sleeved on the pair of connecting rods 1, the positioning plate 301 is provided with a positioning hole 303 corresponding to the positioning shaft sleeve 302, and the positioning shaft sleeve 302 passes through the positioning hole 303 and is fixed with the positioning plate 301 through a positioning pin 304.
The outer surface of the positioning plate 301 is closely attached to and positioned on the reference surface 5 of the side die of the die, the side surface of the positioning plate 301 is provided with a pair of positioning lugs 305 closely attached to and positioned on the reference surface 6 of the end die of the die, and a pair of positioning shaft sleeves 302 are placed on the outer arc of the side die and are tangentially positioned on the reference surface 4 of the outer arc of the side die.
A1 mm gap is formed between the positioning shaft sleeve 302 and the inner wall of the positioning hole 303, so that fine adjustment operation during positioning operation is facilitated.
The measuring mechanism 2 comprises a measuring plate 201 and a pair of fixed shaft sleeves 202 sleeved on the pair of connecting rods 1, the measuring plate 201 is provided with a fixed hole 203 corresponding to the fixed shaft sleeves 202, the fixed shaft sleeves 202 penetrate through the fixed hole 203 and are fixed with the measuring plate 201 through the fixing mechanism, and the side surface of the measuring plate 201 is provided with a measuring bump 204 corresponding to the positioning bump 305.
The measuring plate 201 is sleeved on the pair of connecting rods 1 through the fixing shaft sleeve 202, the measuring bump 204 corresponding to the positioning bump 305 is arranged on the side face of the measuring plate 201, after the positioning of the positioning plate 301 and the pair of connecting rods 1 is completed, the vertex of the measuring bump 204 is controlled to be positioned on the end cover reference surface, and the middle arc length measurement can be completed by directly measuring the distance between the measuring bump 204 and the end cover.
The upper part and the lower part of the side surface of the measuring plate 201 are provided with measuring bumps 204, the upper part and the lower part are provided with measuring bumps 204, and the distance between the upper part and the lower part of the end cover and the reference surface of the end cover can be measured.
The fixing mechanism includes a fixing bolt 205, a washer 206, and a fixing nut 207.
The connecting rod 1 comprises a screw rod part 101 and a connecting part 102, the screw rod part 101 is connected with the connecting part 102 through a connecting shaft sleeve 103, a positioning shaft sleeve 302 is sleeved on the screw rod part 101, a measuring mechanism 2 is sleeved on the connecting part 102, and the measuring mechanism 2 is arranged along the connecting part 102 in a sliding mode. The position of the positioning sleeve 302 on the connecting rod 1 is rotationally adjusted through the screw rod part 101, so that molds with different widths can be matched. By sliding the measuring mechanism 2 at the connecting portion 102, the arc lengths at different portions in the width direction are detected.
The specific operation method of this embodiment is as follows:
1. the adjusting screw rod part 101 controls a pair of positioning shaft sleeves 302 to be tightly attached to the outer arcs of the side molds to complete positioning of the outer arc base surfaces of the side molds, and controls the outer surfaces of the positioning plates 301 to be tightly attached to the base surfaces 5 of the side molds to complete positioning of the base surfaces 5 of the side molds;
2. controlling the positioning bump 305 of the positioning plate 301 to be tightly attached to the end cover datum plane to complete the positioning of the end cover datum plane;
3. and measuring the distance between the measuring bump 204 and the end cover to realize the measurement of the middle arc length.
In the embodiment, the measuring mechanism 2 is sleeved in the middle of the pair of connecting rods 1, the positioning shaft sleeves 302 are sleeved on two sides of the connecting rods, the pair of positioning shaft sleeves 302 are placed on the outer arc of the side die and are positioned in a tangent mode with the reference surface 4 of the outer arc of the side die, the outer surface of the positioning plate 301 on the positioning shaft sleeves 302 is positioned in a close fit mode with the reference surface 5 of the side die, the positioning lug 305 on the side surface of the positioning plate 301 is positioned in a close fit mode with the reference surface 6 of the end die, and the measuring mechanism 2 comprises the measuring lug 204 corresponding to the positioning lug 305, so that after the positioning plate 301 is positioned, the top point of the measuring lug 204 is positioned on the reference surface of the end cap, a gap exists between the measuring lug 204 and the end cap, namely, the end die flatness error exists, the middle arc length can be effectively detected by measuring the distance.
In the specification of the present invention, a large number of specific details are explained. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. The middle arc length detection device for the large-diameter shield segment mold is characterized by comprising a pair of connecting rods arranged in parallel, wherein a measuring mechanism is sleeved in the middle of each connecting rod, positioning mechanisms are arranged on two sides of each measuring mechanism and sleeved on the corresponding connecting rods, each positioning mechanism comprises a positioning plate and a pair of positioning shaft sleeves sleeved on the corresponding connecting rods, positioning holes corresponding to the positioning shaft sleeves are formed in the positioning plates, the positioning shaft sleeves penetrate through the positioning holes and are fixed with the positioning plates through positioning pins, the outer surfaces of the positioning plates are closely positioned with the reference surfaces of the side molds of the mold, a pair of positioning lugs closely positioned with the reference surfaces of the end molds of the mold are arranged on the side surfaces of the positioning plates, and the pair of positioning shaft sleeves are placed on the outer arcs of the side molds and are tangentially; the measuring mechanism comprises a measuring lug corresponding to the positioning lug.
2. The middle arc length detection device for the large-diameter shield segment mold according to claim 1, wherein the measuring mechanism comprises a measuring plate and a pair of fixing shaft sleeves sleeved on the pair of connecting rods, the measuring plate is provided with fixing holes corresponding to the fixing shaft sleeves, the fixing shaft sleeves penetrate through the fixing holes and are fixed with the measuring plate through the fixing mechanism, and the measuring protrusions are arranged on the side surfaces of the measuring plate.
3. The middle arc length detection device for the large-diameter shield segment mold according to claim 2, wherein the measurement protrusions are arranged on the upper portion and the lower portion of the side surface of the measurement plate.
4. The middle arc length detection device for the large-diameter shield segment mold according to claim 2, wherein the fixing mechanism comprises a fixing bolt, a gasket and a fixing nut.
5. The middle arc length detection device for the large-diameter shield segment mold according to claim 1, wherein the connecting rod comprises screw rod portions on two sides and a connecting portion arranged in the middle, the screw rod portions and the connecting portion are connected through a connecting shaft sleeve, the positioning shaft sleeve is arranged on the screw rod portions, the measuring mechanism is arranged on the connecting portion in a sleeved mode, and the measuring mechanism is arranged along the connecting portion in a sliding mode.
6. The middle arc length detection device for the large-diameter shield segment mold according to claim 1, wherein a gap is formed between the positioning shaft sleeve and the inner wall of the positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292357.2U CN210802411U (en) | 2019-12-18 | 2019-12-18 | Middle arc length detection device of large-diameter shield segment mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922292357.2U CN210802411U (en) | 2019-12-18 | 2019-12-18 | Middle arc length detection device of large-diameter shield segment mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210802411U true CN210802411U (en) | 2020-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922292357.2U Active CN210802411U (en) | 2019-12-18 | 2019-12-18 | Middle arc length detection device of large-diameter shield segment mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210802411U (en) |
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2019
- 2019-12-18 CN CN201922292357.2U patent/CN210802411U/en active Active
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