CN209991916U - Inner diameter measuring device for hydraulic engineering pipeline - Google Patents
Inner diameter measuring device for hydraulic engineering pipeline Download PDFInfo
- Publication number
- CN209991916U CN209991916U CN201921263677.9U CN201921263677U CN209991916U CN 209991916 U CN209991916 U CN 209991916U CN 201921263677 U CN201921263677 U CN 201921263677U CN 209991916 U CN209991916 U CN 209991916U
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- plate
- pipeline
- hydraulic engineering
- main plate
- measuring device
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Abstract
The utility model discloses an inner diameter measuring device for hydraulic engineering pipelines, which relates to the technical field of hydraulic engineering pipeline measuring devices and comprises a straight plate, the straight plate comprises a main plate and a telescopic plate, two side plates are respectively hinged on two sides of the main plate and are attached to the inner wall of the pipeline, the main board is internally provided with a chute which is connected with a retractable plate in a sliding way, the middle parts of the upper surfaces of the main board and the retractable plate are provided with a through groove in a penetrating way, and the two sides of the upper surface are provided with scales, the through groove is connected with a measuring slide block in a sliding way, the two sides of the bottom of one end of the main plate and the telescopic plate away from each other are provided with sliding grooves, the utility model is clamped on the inner wall of the pipeline after the two side plates are opened, the vertical bisector of the whole two side plates is a straight plate, at the moment, the straight plate is bound to pass through the circle center of the inner side of the pipeline and is positioned on a certain diameter of the inner side of the pipeline, so that the measurement error caused by the fact that the diameter cannot be determined is avoided; meanwhile, the measuring slide block is positioned in the middle of the straight plate, so that the measured length is further ensured to be the inner diameter of the pipeline.
Description
Technical Field
The utility model relates to a hydraulic engineering pipeline measuring device technical field especially relates to an internal diameter measuring device for hydraulic engineering pipeline.
Background
Hydraulic engineering is the engineering that is used for controlling and allotment nature surface water and groundwater, and general scale is great, and carries out water resource allotment in some local areas and then need use the pipeline and transport, and generally need measure the internal diameter of pipeline before the pipe connection to accuracy nature when guaranteeing the pipeline butt joint guarantees to transmit unblocked. Most of the existing measuring methods are that workers adopt a tape measure or a caliper to measure, in the measuring process, the diameter cannot be determined, so that the measured diameter is not measured, the accuracy of the measurement cannot be guaranteed, and when the measurement and the recording are carried out for multiple times, the caliper or the tape cannot be fixed on a pipeline, and the measurement and the recording need to be carried out by continuously taking and placing, which is troublesome.
SUMMERY OF THE UTILITY MODEL
The utility model provides a pair of inner diameter measurement device for hydraulic engineering pipeline, the purpose is unable definite diameter when measuring the pipeline internal diameter in order to solve among the conventional art and leads to producing measuring error's problem in advance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides an internal diameter measuring device for hydraulic engineering pipeline, includes the straight board, the straight board includes mainboard and expansion plate, the mainboard both sides articulate respectively has two blocks of curb plates, the curb plate pastes and leans on at the pipeline inner wall, the spout has been seted up in the mainboard, spout sliding connection has the expansion plate, mainboard and expansion plate upper surface middle part are run through and have been seted up logical groove, and the upper surface both sides have seted up the scale, it has the measurement slider to lead to inslot sliding connection, mainboard and expansion plate keep away from each other one end bottom both sides and have seted up the sliding tray, sliding tray sliding connection has the fixed plate, two the relative one side fixedly connected with fixed spring of fixed plate, fixed spring keeps away from fixed plate one end fixed connection in the sliding tray bottom.
Preferably, two side plates are perpendicular to the main plate after being rotated, and the length of the side plates is known.
Preferably, the origin of coordinates of the scale is located at the position where the center of the rotated side plate is aligned with the main plate and is a negative engraving.
Preferably, the bottom of the side plate, the bottom of the measuring slide block and the bottom of the fixing plate all protrude out of the bottom of the main plate, and a soft cushion is fixedly connected to one side, close to the pipeline, of the fixing plate.
Preferably, the mainboard is kept away from expansion plate one end fixedly connected with hand (hold), seted up anti-skidding line on the hand (hold).
Preferably, one end, far away from the main board, of the handle is fixedly connected with a hanging belt, and the hanging belt is made of an elastic material.
Compared with the prior art, the utility model discloses possess following beneficial effect:
1. the utility model has the advantages that the two side plates are clamped on the inner wall of the pipeline after being opened, the vertical bisector of the whole two side plates is a straight plate, and at the moment, the straight plate must pass through the circle center of the inner side of the pipeline and on a certain diameter of the inner side of the pipeline, so that the measurement error caused by the incapability of determining the diameter is avoided; meanwhile, the measuring slide block is positioned in the middle of the straight plate, so that the measured length is further ensured to be the inner diameter of the pipeline.
2. The utility model discloses, because the original point of scale coordinate is located curb plate center after the rotation and mainboard alignment department, can survey the distance H of curb plate and pipeline inner wall to known curb plate length is established to L, and it is R to establish the pipeline inner radius, by L2+(R-H)2=R2R can be calculated so that, in contrast to the diameter measured directly, it is possible to ascertain whether the pipe has a deformation.
3. The utility model discloses a fixed plate and fixed spring can fix straight board and curb plate, conveniently keep the reading so that take notes.
Drawings
Fig. 1 is a schematic structural view of an inner diameter measuring device for a hydraulic engineering pipeline according to the present invention;
fig. 2 is the utility model provides an inner diameter measuring device's for hydraulic engineering pipeline part back.
In the figure: the device comprises a straight plate 1, a main plate 11, a 111 sliding groove, a telescopic plate 12, a through groove 13, scales 14, side plates 2, a measuring sliding block 3, a fixing plate 4, a sliding groove 5, a fixing spring 6, a handle 7 and a hanging belt 8.
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.
Referring to fig. 1-2, an internal diameter measuring device for hydraulic engineering pipeline, including straight board 1, straight board 1 includes mainboard 11 and expansion plate 12, mainboard 11 both sides articulate respectively has two curb plates 2, curb plate 2 pastes and leans on at the pipeline inner wall, two curb plates 2 rotate back and are perpendicular with mainboard 11, and curb plate 2 length is known, and establish to L, two curb plates 2 open the back card on the pipeline inner wall, be straight board 1 on the 2 holistic perpendicular bisector of both sides board, at this moment, straight board 1 must pass through the inboard centre of a circle of pipeline, on a certain diameter of pipeline inboard, the accurate pipeline internal diameter of confirming.
The mainboard 11 is provided with a chute 111, and the chute 111 is connected with the expansion plate 12 in a sliding manner, so that the size is reduced when the portable notebook computer is not used, and the portable notebook computer is convenient to carry.
Mainboard 11 and expansion plate 12 upper surface middle part run through and have seted up logical groove 13, and the upper surface both sides have seted up scale 14, and the 14 initial of coordinates of scale is located 2 centers of curb plate after the rotation and 11 alignment departments of mainboard, can record the distance H of curb plate 2 and pipeline inner wall to known 2 length of curb plate establish to L, establish the pipeline inner radius and be R, by L2+R-H2=R2R can be calculated so that in contrast to the diameter of the direct measurement, it can be made clear whether the pipe is deformed or not, and the scale 14 is a negative engraving, so that the pipe is not seen clearly after being worn.
The through groove 13 is connected with the measuring slide block 3 in a sliding mode, and the diameter can be measured more accurately.
Mainboard 11 and expansion plate 12 keep away from one end bottom both sides each other and have seted up sliding tray 5, and 5 sliding connection in sliding tray have fixed plate 4, and two fixed plate 4 one side fixedly connected with fixed spring 6 that are relative, fixed spring 6 keep away from 4 one end fixed connection of fixed plate in 5 bottoms in sliding tray, and fixed plate 4 pastes and leans on at the pipeline outer wall.
The mainboard 11 keeps away from the fixedly connected with hand (hold) 7 of expansion plate 12 one end, has seted up anti-skidding line on the hand (hold) 7, conveniently grips.
The handle 7 is far away from mainboard 11 one end fixedly connected with sling 8, and sling 8 adopts elastic material to make, conveniently hangs.
Now, the operation principle of the present invention is described as follows:
at first, open two curb plates 2, place in pipeline inner wall one side, pull open two fixed plates 4, the card is on the pipeline outer wall, unclamps, and under the pulling force of fixed spring 6, two fixed plates 4 are fixed whole device on the pipeline mouth, conveniently keep the reading so that take notes.
Because the straight plate 1 is arranged on the vertical bisector of the two side plates 2, at the moment, the straight plate 1 must pass through the center of the inner side of the pipeline, and the inner diameter of the pipeline can be measured by moving the measuring slide block 3 on a certain diameter of the inner side of the pipeline.
And the length of the side plate 2 is L, the inner radius of the pipeline is R, and the length of the side plate is L2+R-H2=R2R can be calculated so that, in contrast to the diameter measured directly, it is possible to ascertain whether the pipe has a deformation.
In the present invention, unless otherwise expressly stated or limited, the terms "sliding", "rotating", "fixed", "provided", and the like are to be understood in a broad sense, e.g. as welded connections, as bolted connections, or as integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
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.
Claims (6)
1. The inner diameter measuring device for the hydraulic engineering pipeline comprises a straight plate (1) and is characterized in that the straight plate (1) comprises a main plate (11) and a telescopic plate (12), two side plates (2) are hinged to two sides of the main plate (11) respectively, the side plates (2) are attached to the inner wall of the pipeline in a leaning mode, a sliding groove (111) is formed in the main plate (11), the sliding groove (111) is connected with the telescopic plate (12) in a sliding mode, a through groove (13) penetrates through the middle of the upper surface of the main plate (11) and the middle of the upper surface of the telescopic plate (12), scales (14) are formed in two sides of the upper surface of the main plate, a measuring sliding block (3) is connected in the through groove (13) in a sliding mode, sliding grooves (5) are formed in two sides of the bottom of one end, far away from each other, of the main plate (11) and the telescopic, one end, far away from the fixed plate (4), of the fixed spring (6) is fixedly connected to the bottom of the sliding groove (5), and the fixed plate (4) is attached to the outer wall of the pipeline.
2. The inner diameter measuring device for the hydraulic engineering pipeline is characterized in that the two side plates (2) are perpendicular to the main plate (11) after being rotated, and the length of each side plate (2) is known.
3. The inner diameter measuring device for the hydraulic engineering pipeline is characterized in that the coordinate origin of the scale (14) is positioned at the position where the center of the rotated side plate (2) is aligned with the main plate (11) and is intaglio.
4. The inner diameter measuring device for the hydraulic engineering pipeline is characterized in that the bottoms of the side plates (2), the measuring slide blocks (3) and the fixing plates (4) all protrude out of the bottom of the main plate (11), and a soft cushion is fixedly connected to one side, close to the pipeline, of the fixing plates (4).
5. The internal diameter measuring device for the hydraulic engineering pipeline according to claim 1, wherein a handle (7) is fixedly connected to one end, far away from the expansion plate (12), of the main plate (11), and anti-skid lines are formed in the handle (7).
6. The internal diameter measuring device for the hydraulic engineering pipeline is characterized in that one end, far away from the main plate (11), of the handle (7) is fixedly connected with a hanging belt (8), and the hanging belt (8) is made of elastic materials.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921263677.9U CN209991916U (en) | 2019-08-06 | 2019-08-06 | Inner diameter measuring device for hydraulic engineering pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201921263677.9U CN209991916U (en) | 2019-08-06 | 2019-08-06 | Inner diameter measuring device for hydraulic engineering pipeline |
Publications (1)
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CN209991916U true CN209991916U (en) | 2020-01-24 |
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CN201921263677.9U Expired - Fee Related CN209991916U (en) | 2019-08-06 | 2019-08-06 | Inner diameter measuring device for hydraulic engineering pipeline |
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CN (1) | CN209991916U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112525042A (en) * | 2020-12-29 | 2021-03-19 | 华侨大学 | Visual micrometer for precisely measuring inner and outer diameters and wall thickness of hollow pipe |
CN113804086A (en) * | 2020-06-12 | 2021-12-17 | 中国航发商用航空发动机有限责任公司 | Inner diameter measuring tool and measuring method for inner diameter of machine case spigot |
-
2019
- 2019-08-06 CN CN201921263677.9U patent/CN209991916U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113804086A (en) * | 2020-06-12 | 2021-12-17 | 中国航发商用航空发动机有限责任公司 | Inner diameter measuring tool and measuring method for inner diameter of machine case spigot |
CN112525042A (en) * | 2020-12-29 | 2021-03-19 | 华侨大学 | Visual micrometer for precisely measuring inner and outer diameters and wall thickness of hollow pipe |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200124 Termination date: 20200806 |