CN207034575U - The miniature measurement leg means of extension type under low-headroom condition - Google Patents
The miniature measurement leg means of extension type under low-headroom condition Download PDFInfo
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- CN207034575U CN207034575U CN201720825254.6U CN201720825254U CN207034575U CN 207034575 U CN207034575 U CN 207034575U CN 201720825254 U CN201720825254 U CN 201720825254U CN 207034575 U CN207034575 U CN 207034575U
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Abstract
The utility model discloses a kind of miniature measurement leg means of extension type under low-headroom condition, it is related to bridge construction survey technical field.Three frame legs that the leg means include panel, are connected with panel, three frame legs are evenly arranged on panel；The frame leg includes restocking leg and undercarriage leg, and restocking leg is sleeved in undercarriage leg, and restocking leg and undercarriage leg realize telescopic connection by the first fastening bolt；The end set of restocking leg has connection cross bar, and the both sides for connecting cross bar are set in hollow pipe, and hollow pipe is connected by the second fastening bolt with panel.The utility model Stability Analysis of Structures, it is reasonable in design, be hardly damaged, be easy to carry, target can directly be observed by adjusting the height of leg means, it is high suitable for the measurement of higher degree under all low-headroom conditions, operating efficiency, accuracy of observation is high, has larger promotional value.
Description
Technical field
Bridge construction survey technical field is the utility model is related to, is specifically related to extension type under a kind of low-headroom condition
Miniature measurement leg means.
Background technology
In the existing main bridge steel beam bearing measurement of higher degree, there is the main bridge girder steel of Partial Bridges to fall the free height after beam with pier top
Only 20~40 centimetres of degree, headroom is low；And in the beam making bench settlement observation of precast beam field, there is partial precast Liang Chang to save
Cost, beam making bench height is very low, and the head room with ground after side form installation only has 30~40 centimetres, using existing foot stool
(the existing minimum antenna height of foot stool is typically more than 50 centimetres) can not be directly measured to observed object, one kind is needed for this
The instrument that can be directly observed to observation station under low-headroom condition ensures accuracy of observation.Conventional common practices is from sight
Extend a distance into out by horizontal device at measuring point, then found chi on horizontal device and carry out reading.Measurement error is big, it is difficult to
Meet accuracy of observation, and efficiency is low.
Utility model content
The purpose of this utility model is to overcome the shortcomings of above-mentioned background technology, there is provided can be stretched under a kind of low-headroom condition
Contract the type measurement leg means that decline.The utility model can be directly observed target by adjusting the height of leg means, carried
High accuracy of observation and operating efficiency.
The utility model provides the miniature measurement leg means of extension type under a kind of low-headroom condition, and the leg means include
Panel, three frame legs being connected with panel, three frame legs are evenly arranged on panel；The frame leg includes restocking leg and undercarriage
Leg, restocking leg are sleeved in undercarriage leg, and restocking leg and undercarriage leg realize telescopic connection by the first fastening bolt；Restocking leg
End set have connection cross bar, the both sides for connecting cross bar are set in hollow pipe, and hollow pipe passes through the second fastening bolt
It is connected with panel.
On the basis of above-mentioned technical proposal, the leg means are connected by connecting spiral with measuring instrument, the company
Connecing spiral includes threaded portion, connecting rod and handle, and the threaded portion and connecting rod are cylindrical structure, threaded portion and measuring instrument
Bottom thread connects.
On the basis of above-mentioned technical proposal, the bottom of the panel is provided with connecting plate, and slotted eye is provided with connecting plate, even
Connecting bolt is connected through the bottom thread of slotted eye and panel, and circular hole is provided with the middle part of panel, and connection is threaded through slotted eye and circular hole
It is connected with the bottom thread of measuring instrument.
On the basis of above-mentioned technical proposal, the slotted eye includes the first groove hole section and the second groove hole section, the first groove hole section
In strip, the second groove hole section is in circular arc, and the diameter of threaded portion is more than the diameter of connecting rod, and the diameter of threaded portion is more than first
The width of groove hole section, the diameter of connecting rod are less than the width of the first groove hole section, and connecting bolt is connected to face through the second groove hole section
The bottom of plate.
On the basis of above-mentioned technical proposal, pad is provided between the connecting plate and connecting bolt.
On the basis of above-mentioned technical proposal, the first contiguous block is provided with the undercarriage leg, first contiguous block
Middle part is provided with the screwed hole being engaged with the first fastening bolt, and the circle passed through for the first fastening bolt is provided with undercarriage leg
Hole, circular hole are corresponding with screw thread hole site.
On the basis of above-mentioned technical proposal, the bottom surface of the panel is provided with the second contiguous block, second connection
It is provided with the screwed hole being engaged with the second fastening bolt in the middle part of block, the bottom surface of the panel is provided with screwed recessed
Groove, second fastening bolt sequentially passes through hollow pipe, the second contiguous block, and is threadedly coupled with the groove of the bottom surface of panel.
On the basis of above-mentioned technical proposal, first contiguous block welds with undercarriage leg.
On the basis of above-mentioned technical proposal, second contiguous block welds with panel.
On the basis of above-mentioned technical proposal, the connection cross bar welds with restocking leg.
Compared with prior art, it is as follows the advantages of the utility model：The leg means Stability Analysis of Structures, it is reasonable in design, be not easy
Damage, be easy to carry, target can directly be observed by adjusting the height of leg means.The leg means can be with small cost
Manufacture to be covered, and single to carry simultaneous operation, projects can use simultaneously, and lighter in weight, and it is convenient to set up, suitable for all low
The measurement of higher degree under obstruction clearance criteria, operating efficiency is high, and accuracy of observation is high, has larger promotional value.Moreover, headroom it is low and
When observed object height is very low, for example girder steel falls the bearing measurement of higher degree after beam, the beam making bench settlement observation of precast beam field etc., leads to
Cross the leg means directly can be observed to observed object, improve accuracy of observation and operating efficiency.
Brief description of the drawings
Fig. 1 is that the front view structure of the miniature measurement leg means of extension type under the utility model embodiment low-headroom condition is shown
It is intended to.
Fig. 2 is that the structure of looking up of the miniature measurement leg means of extension type under the utility model embodiment low-headroom condition is shown
It is intended to.
Fig. 3 is the utility model embodiment connection spiral, connecting plate and the structural representation of panel connection.
Reference：1- panels, 2- hollow pipes, the fastening bolts of 3- first, the fastening bolts of 4- second, 5- restocking legs, under 6-
Frame leg, 7- connection cross bars, the contiguous blocks of 8- first, the contiguous blocks of 9- second, 10- connecting plates, 101- slotted eyes, the groove hole sections of 102- first,
The groove hole sections of 103- second, 11- connection spirals, 111- threaded portions, 112- connecting rods, 113- handles, 12- connecting bolts, 13- circles
Hole, 14- pads.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment is described in further detail to the utility model.
Shown in Figure 1, the utility model embodiment provides the miniature measurement foot stool of extension type under a kind of low-headroom condition
Device, three frame legs that the leg means include panel 1, are connected with panel 1, three frame legs are evenly arranged on panel 1；Frame
Leg includes restocking leg 5 and undercarriage leg 6, and restocking leg 5 is sleeved in undercarriage leg 6, and restocking leg 5 and undercarriage leg 6 pass through the first fastening spiral shell
Bolt 3 realizes telescopic connection；The end set of restocking leg 5 has connection cross bar 7, and the both sides of connection cross bar 7 are set in sky
In heart pipe 2, hollow pipe 2 is connected by the second fastening bolt 4 with panel 1.Wherein, panel 1, hollow pipe 2 can use stainless steel
Matter, connection cross bar 7 are solid cylinder.Hollow pipe 2, the first fastening bolt 3, the quantity of the second fastening bolt 4 are six.
In the present embodiment, the first contiguous block 8 is provided with undercarriage leg 6, the middle part of the first contiguous block 8 is provided with and first
The screwed hole that fastening bolt 3 is engaged, the circular hole passed through for the first fastening bolt 3, circular hole and screwed hole are provided with undercarriage leg 6
Position is corresponding.
The bottom surface of panel 1 is provided with the second contiguous block 9, and the middle part of the second contiguous block 9 is provided with and the second fastening bolt 4
The screwed hole being engaged, the bottom surface of panel 1 are provided with screwed groove, and the second fastening bolt 4 sequentially passes through hollow pipe
2nd, the second contiguous block 9, and be threadedly coupled with the groove of the bottom surface of panel 1.First contiguous block 8 welds with undercarriage leg 6, and second connects
Block 9 is connect to weld with panel 1.Connection cross bar 7 welds with restocking leg 5.
Shown in Figure 2, the bottom of panel 1 is provided with connecting plate 10, and slotted eye 101, connecting bolt are provided with connecting plate 10
12 are connected through slotted eye 101 with the bottom thread of panel 1, and the middle part of panel 1 is provided with circular hole 13, and connection spiral 11 passes through slotted eye
101 and circular hole 13 be connected with the bottom thread of measuring instrument.
Slotted eye 101 includes the first groove hole section 102 and the second groove hole section 103, and the first groove hole section 102 is in strip, the second groove
Hole section 103 is in circular arc.The diameter of threaded portion 111 is more than the diameter of connecting rod 112, and the diameter of threaded portion 111 is more than the first groove
The width of hole section 102, the diameter of connecting rod 112 are less than the width of the first groove hole section 102, are easy to connection spiral 11 to hang over connecting plate
On 10.Connecting bolt 12 is connected to the bottom of panel 1 through the second groove hole section 103.The diameter of threaded portion 111 is less than the second slotted eye
The diameter of section 103, it is easy to connection spiral 11 to be taken out at the second groove hole section 103.Set between connecting plate 10 and connecting bolt 12
There is pad 14.
Shown in Figure 3, leg means are connected by connecting spiral 11 with measuring instrument, and connection spiral 11 includes threaded portion
111st, connecting rod 112 and handle 113, threaded portion 111 and connecting rod 112 are cylindrical structure, threaded portion 111 and measuring instrument bottom
Portion is threadedly coupled.
In actual applications, leg means of the present utility model are first subjected to process that is assembled, then implementing observation.
The assembled process of leg means of the present utility model is：Connection spiral 11 is enclosed on connecting plate 10 first, passed through
Connecting plate 10 is fixed on panel 1 by connecting bolt 12 and pad 14；The connection cross bar 7 of the end of restocking leg 5 is enclosed on again hollow
On pipe 2, hollow pipe 2 is fixed on panel 1 by the second fastening bolt 4；Again by the first fastening bolt 3 by 6 sets of undercarriage leg
Carried out on restocking leg 5 Telescopic Fixed.
Leg means of the present utility model implement observation process：The leg means are adjusted in required height, can
Selected between leg means minimum altitude 150mm and foot stool maximum height 400mm, then by measuring instrument by connecting spiral
11 are fixed on stainless steel faceplate 1, then diagonal eyepiece is arranged on the eyepiece of measuring instrument, and measuring instrument bubble is flattened,
And by diagonal eyepiece to the direct reading of observed object.Treat not dismantling after the completion of target observation in the instrument visual line of sight
Instrument and foot stool, it is worked on together with instrument foot stool integral shift to next working face.The effect of diagonal eyepiece
The main convenient observation more preferable observed object of people, can make observation people is couchant to watch pipe bent position eyepiece from top to bottom, without observation
People, which lies face down, looks squarely eyepiece at viewing instrument, brings inconvenience.
Leg means of the present utility model only need to carry out assembly when using first, without again in measurement operation afterwards
Secondary spelling assembly and disassembly.
Those skilled in the art can carry out various modifications and variations to the utility model embodiment, if these are changed
With modification within the scope of the utility model claims and its equivalent technologies, then these modifications and variations are also new in this practicality
Within the protection domain of type.
The prior art that the content not being described in detail in specification is known to the skilled person.
Claims (10)
- A kind of 1. miniature measurement leg means of extension type under low-headroom condition, it is characterised in that：Including panel (1) and panel (1) three frame legs of connection, three frame legs are evenly arranged on panel (1)；The frame leg includes restocking leg (5) and undercarriage leg (6), restocking leg (5) is sleeved in undercarriage leg (6), and restocking leg (5) and undercarriage leg (6) can by the first fastening bolt (3) realization Telescopic connection；The end set of restocking leg (5) has connection cross bar (7), and the both sides of connection cross bar (7) are set in hollow pipe (2) in, hollow pipe (2) is connected by the second fastening bolt (4) with panel (1).
- 2. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 1, it is characterised in that：The pin Rack device is connected by connecting spiral (11) with measuring instrument, and the connection spiral (11) includes threaded portion (111), connecting rod (112) and handle (113), the threaded portion (111) and connecting rod (112) are cylindrical structure, threaded portion (111) and measuring instrument Device bottom thread connects.
- 3. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 2, it is characterised in that：The face The bottom of plate (1) is provided with connecting plate (10), and slotted eye (101) is provided with connecting plate (10), and connecting bolt (12) passes through slotted eye (101) bottom thread with panel (1) is connected, and circular hole (13) is provided with the middle part of panel (1), and connection spiral (11) passes through slotted eye (101) it is connected with circular hole (13) with the bottom thread of measuring instrument.
- 4. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 3, it is characterised in that：The groove Hole (101) includes the first groove hole section (102) and the second groove hole section (103), and the first groove hole section (102) is in strip, the second slotted eye Section (103) is in circular arc, and the diameter of threaded portion (111) is more than the diameter of connecting rod (112), and the diameter of threaded portion (111) is more than The width of first groove hole section (102), the diameter of connecting rod (112) are less than the width of the first groove hole section (102), connecting bolt (12) The bottom of panel (1) is connected to through the second groove hole section (103).
- 5. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 3, it is characterised in that：The company Pad (14) is provided between fishplate bar (10) and connecting bolt (12).
- 6. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 1, it is characterised in that：Under described The first contiguous block (8) is provided with frame leg (6), is provided with the middle part of first contiguous block (8) and the first fastening bolt (3) phase The screwed hole of cooperation, the circular hole passed through for the first fastening bolt (3), circular hole and screw thread hole site phase are provided with undercarriage leg (6) It is corresponding.
- 7. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 1, it is characterised in that：The face The bottom surface of plate (1) is provided with the second contiguous block (9), is provided with and the second fastening bolt in the middle part of second contiguous block (9) (4) screwed hole being engaged, the bottom surface of the panel (1) are provided with screwed groove, second fastening bolt (4) Hollow pipe (2), the second contiguous block (9) are sequentially passed through, and is threadedly coupled with the groove of the bottom surface of panel (1).
- 8. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 6, it is characterised in that：Described One contiguous block (8) welds with undercarriage leg (6).
- 9. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 7, it is characterised in that：Described Two contiguous blocks (9) weld with panel (1).
- 10. the miniature measurement leg means of extension type under low-headroom condition as claimed in claim 1, it is characterised in that：It is described Cross bar (7) is connected to weld with restocking leg (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825254.6U CN207034575U (en) | 2017-07-07 | 2017-07-07 | The miniature measurement leg means of extension type under low-headroom condition |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720825254.6U CN207034575U (en) | 2017-07-07 | 2017-07-07 | The miniature measurement leg means of extension type under low-headroom condition |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207034575U true CN207034575U (en) | 2018-02-23 |
Family
ID=61467124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720825254.6U Active CN207034575U (en) | 2017-07-07 | 2017-07-07 | The miniature measurement leg means of extension type under low-headroom condition |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207034575U (en) |
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2017
- 2017-07-07 CN CN201720825254.6U patent/CN207034575U/en active Active
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