CN212253939U - Boundary measuring device for subway engineering - Google Patents
Boundary measuring device for subway engineering Download PDFInfo
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- CN212253939U CN212253939U CN202020764387.9U CN202020764387U CN212253939U CN 212253939 U CN212253939 U CN 212253939U CN 202020764387 U CN202020764387 U CN 202020764387U CN 212253939 U CN212253939 U CN 212253939U
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- base
- bevel gear
- supporting rod
- handle
- rotating
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- 238000005259 measurement Methods 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 4
- 241001442234 Cosa Species 0.000 description 1
- 244000089409 Erythrina poeppigiana Species 0.000 description 1
- 235000009776 Rathbunia alamosensis Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of boundary measuring tools, and discloses a boundary measuring device for subway engineering, which comprises a supporting rod, wherein a screw rod is sleeved in the supporting rod in a rotating way, a bevel gear at the top of the screw rod is rotatably inserted with a base, a containing groove is arranged in the middle of the left side of the base, a handle is hinged at the top end of the inner wall of the containing groove, a rotating handle is rotatably inserted at the right side of the base, the bevel gear at the left side of the rotating handle is meshed with the bevel gear at the top of the screw rod, the screw rod and an inclined rod are matched for use, the handle is held by one hand and the rotating handle by the other hand in a section needing to be measured, so that the measurement can be carried out at any time and any place, when a road section in a subway tunnel is not good walking, the inclined rod can be collected as the supporting rod, the personal safety is ensured, the angle number of, and the main structure of the device is made of aluminum alloy, so that the device is light in weight, convenient to carry and small in size, and is convenient to store.
Description
Technical Field
The utility model relates to a boundary measurement instrument technical field especially relates to a boundary measurement device for subway engineering.
Background
The subway boundary is an important parameter for guaranteeing the safe operation of the subway, and enough safe distance should be reserved between the subway straight line section and the equipment boundary and the vehicle boundary to guarantee the safety of personnel and the normal use of the subway, and the boundary measurement needs to use a boundary measurement device.
The prior patent (publication number: CN209764087U) discloses a boundary measuring device for subway engineering, which comprises an installation part, a linkage part and a measuring part, so that the usage is effectively convenient, and a user can perform the measuring operation by the measuring part only by operating the linkage part on the upper end of a platform. In the prior art, the device is large in size and mass, is inconvenient to carry in a plurality of places needing to be measured, and is complex to operate during measurement.
SUMMERY OF THE UTILITY MODEL
The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the volume mass is great, and it is comparatively inconvenient to carry the transportation, and measures to use comparatively loaded down with trivial details, and the limit measuring device who is used for subway engineering who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a boundary measuring device for subway engineering comprises a supporting rod, wherein a screw rod is sleeved in the supporting rod in a rotating mode, a bevel gear at the top of the screw rod is connected with a base in a rotating mode in an inserting mode, a containing groove is formed in the middle of the left side of the base in a rotating mode, a handle is hinged to the top end of the inner wall of the containing groove in a hinged mode, a rotating handle is connected to the right side of the base in a rotating mode, the bevel gear on the left side of the rotating handle is meshed with the bevel gear at the top of the screw rod, a vertical groove is formed in the side surface of one end of the supporting rod, a height scale is marked on the edge of the left side of the vertical groove, a nut seat is sleeved on the surface of the screw rod in a sliding mode, inner rings of the nut seat are sleeved on the side surface of the supporting rod, the middle of the top surface of the base is fixedly connected to the bottom of the supporting rod, and the bottom of the screw rod is rotatably connected to the axis of the base.
Preferably, the front side surfaces of the left and right side shafts of the front portion of the base are engraved with angle scales.
Preferably, the included angle between the support rod and the surface of the top of the base is 90 degrees, and the total length of the support rod is 115 cm.
Preferably, the width of the receiving groove is two millimeters larger than the diameter of the handle, and the depth of the receiving groove is the same as the diameter of the handle.
Preferably, the length ratio of the sliding groove to the height dividing ruler is 9:10, and the cross section of the sliding groove is in a convex shape.
Preferably, the length of each inclined rod is 50 cm, and the length, the size and the dimension of the two inclined rods are the same.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the utility model discloses a cooperation of lead screw and down tube is used, holds on the one hand the handle in the district that needs the measurement and rotates on the other hand and change the handle, can measure anytime and anywhere, and when the road section was not good to walk in the subway tunnel, can pack up the down tube and use as the bracing piece, guarantee personal safety.
(2) The utility model discloses a read the angle number and the height number on bracing piece surface of the articulated department of down tube and nut seat and can calculate the size of interval, and the device primary structure is made for the aluminum alloy, the light portable of quality, small convenient to store.
Drawings
FIG. 1 is a front sectional view of the structure of the present invention;
FIG. 2 is a front view of the structure of the present invention;
fig. 3 is an enlarged view of a portion a in the structure diagram 2 of the present invention.
In the figure: 1. a support bar; 2. a screw rod; 3. a diagonal bar; 4. a chute; 5. a vertical slot; 6. a slider; 7. a nut seat; 8. a base; 9. a base; 10. a receiving groove; 11. a grip; 12. turning a handle; 13. a height scale; 14. an angle scale.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a boundary measuring device for subway engineering, including a supporting rod 1, an included angle between the supporting rod 1 and the surface of the top of a base 9 is 90 °, and the total length of the supporting rod 1 is 115cm, which is convenient for carrying and using, and can be used as a supporting rod in places with poor road conditions in a subway tunnel, thus ensuring the walking safety of measuring personnel, a screw rod 2 is rotatably sleeved in the supporting rod 1, a bevel gear at the top of the screw rod 2 is rotatably inserted with a base 8, angle scales 14 are engraved on the front side surfaces of left and right side shafts in the front of the base 8, so as to read the included angle between the diagonal rod 3 and the supporting rod 1, thereby facilitating the calculation of the boundary distance at the back, an accommodating groove 10 is opened in the middle of the left side of the base 8, the width of the accommodating groove 10 is two millimeters larger than the diameter of a grip 11, and the depth of the accommodating groove 10 is the same as the diameter of the grip 11, thereby facilitating, the space occupancy is reduced, and the walking and the working of other people are not hindered, the top end of the inner wall of the containing groove 10 is hinged with a handle 11, the right side of the base 8 is rotatably inserted with a rotating handle 12, the bevel gear at the left side of the rotating handle 12 is meshed with the bevel gear at the top of the screw rod 2, the side surface of one end of the support rod 1 is provided with a vertical groove 5, the edge of the left side of the vertical groove 5 is marked with a height scale 13, the surface of the screw rod 2 is slidably sleeved with a nut seat 7, the inner ring of the nut seat 7 is slidably sleeved on the side surface of the support rod 1, the left side and the right side of the side surface of the nut seat 7 are both hinged with inclined rods 3, the length of each inclined rod 3 is 50 cm, the length and the size specification of each inclined rod 3 are the same, the opposite surfaces of the two inclined rods 3 are both provided with a chute 4, the length ratio of the chute 4 to the, prevent that sway of horizontal direction from appearing in down tube 3 when sliding, and lead to measured data mistake, the inside bottom sliding connection of spout 4 has slider 6, slider 6's one end fixedly connected with base 9, the middle department fixed connection of base 9 top surface is in the bottom of bracing piece 1, and the bottom of lead screw 2 rotates the axle center department of connecting at base 9, use through the cooperation of lead screw 2 and down tube 3, hold handle 11 hand rotation turning handle 12 in one hand in the district that needs to measure, can measure anytime and anywhere, when the road section is not good to walk in subway tunnel, can pack up down tube 3 and use as the bracing piece, guarantee personal safety, can calculate the size of limit interval through reading the number of angles degree and the height number on bracing piece 1 surface of down tube 3 and nut seat 7 articulated department, its computational formula is: a ═ h × SinA/CosA + R (a is a limit interval, h is a distance between the bottom surface of the base 9 and the bottom surface of the nut seat 7, a is an included angle degree between the support rod 1 and the diagonal rod 3, and R is a diameter of the support rod 1), and the device is mainly made of aluminum alloy, so that the device is light in weight, convenient to carry, small in size and convenient to store.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Claims (6)
1. The limit measuring device for the subway engineering comprises a supporting rod (1) and is characterized in that a lead screw (2) is sleeved in the supporting rod (1) in a rotating mode, a bevel gear at the top of the lead screw (2) is connected with a base (8) in a rotating and inserting mode, a containing groove (10) is formed in the middle of the left side of the base (8), a handle (11) is hinged to the top end of the inner wall of the containing groove (10), a rotating handle (12) is connected to the right side of the base (8) in a rotating and inserting mode, the bevel gear at the left side of the rotating handle (12) is meshed with the bevel gear at the top of the lead screw (2), a vertical groove (5) is formed in the side surface of one end of the supporting rod (1), a height scale (13) is stamped in the edge of the left side of the vertical groove (5), a nut seat (7) is sleeved on the surface of the lead screw (2), the left and right sides of nut seat (7) side surface all articulates there is down tube (3), two spout (4) have all been seted up to the opposite face of down tube (3), the inside bottom sliding connection of spout (4) has slider (6), the one end fixedly connected with base (9) of slider (6), the centre department fixed connection of base (9) top surface is in the bottom of bracing piece (1), and the bottom of lead screw (2) is rotated and is connected the axle center department at base (9).
2. Limit measuring device for subway projects according to claim 1, characterized in that the front side surface of the right and left side axles in front of said base (8) is engraved with an angle scale (14).
3. A limit measurement device for subway engineering as claimed in claim 1, characterized in that said support bar (1) is at an angle of 90 ° to the surface of the top of the base (9) and the length of the support bar (1) is 115 cm.
4. A limit measuring device for subway engineering as claimed in claim 1, wherein said receiving groove (10) has a width two millimeters greater than the diameter of the grip (11), and the depth of the receiving groove (10) is the same as the diameter of the grip (11).
5. A limit measurement device for subway engineering as claimed in claim 1, characterized in that the length of said chute (4) to the length of the height scale (13) is 9:10 and the cross-section of the chute (4) is in the shape of a letter convex.
6. A limit measurement device for subway engineering as claimed in claim 1, wherein said diagonal rods (3) have a length of 50 cm, and the length and size of two diagonal rods (3) are the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020764387.9U CN212253939U (en) | 2020-05-08 | 2020-05-08 | Boundary measuring device for subway engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020764387.9U CN212253939U (en) | 2020-05-08 | 2020-05-08 | Boundary measuring device for subway engineering |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212253939U true CN212253939U (en) | 2020-12-29 |
Family
ID=73998134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020764387.9U Expired - Fee Related CN212253939U (en) | 2020-05-08 | 2020-05-08 | Boundary measuring device for subway engineering |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212253939U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237409A (en) * | 2021-06-29 | 2021-08-10 | 中国航发贵州黎阳航空动力有限公司 | Step hole depth measuring device |
-
2020
- 2020-05-08 CN CN202020764387.9U patent/CN212253939U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113237409A (en) * | 2021-06-29 | 2021-08-10 | 中国航发贵州黎阳航空动力有限公司 | Step hole depth measuring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201229 |
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| CF01 | Termination of patent right due to non-payment of annual fee |