CN214096074U - Easy fixed marker post for road and bridge construction survey - Google Patents
Easy fixed marker post for road and bridge construction survey Download PDFInfo
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- CN214096074U CN214096074U CN202120339848.2U CN202120339848U CN214096074U CN 214096074 U CN214096074 U CN 214096074U CN 202120339848 U CN202120339848 U CN 202120339848U CN 214096074 U CN214096074 U CN 214096074U
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Abstract
The application relates to the field of engineering measuring equipment, in particular to an easily-fixed marker post for road and bridge construction measurement, which comprises a supporting rod, wherein the inner part of the supporting rod is a cavity; the side wall of the push rod is detachably connected with a guide rod, the side wall of the support rod is provided with a vertical guide slideway, and the guide rod passes through the guide slideway and can vertically move along the guide slideway; one end of the guide rod, which is positioned on the outer side of the support rod, is rotatably connected with a stabilizing block, the stabilizing block can move downwards along with the guide rod, and the bottom surface of the stabilizing block can abut against the ground. This application has the effect that improves the stability when the sighting rod is placed.
Description
Technical Field
The application relates to the field of engineering measurement equipment, in particular to an easily-fixed marker post for road and bridge construction measurement.
Background
At present, in the prior art, construction measurement refers to measurement work performed in the engineering construction stage, and is an important content of engineering measurement. The purpose of construction measurement (survey or lofting) is to calibrate the plane position, shape and elevation of a building designed on a drawing on the ground of a construction site, and guide construction in the construction process, so that the project is constructed strictly according to the design requirements. And lofting is to calculate the distance, direction and height difference between point locations from a design drawing and then to set the point locations on the ground through measurement.
Road and bridge adopt the sighting rod to measure mostly when being under construction, because current sighting rod adopts most the pointed end to insert and measures subaerial mostly, because the sighting rod inclines easily when the pointed end is inserted subaerial to can lead to the measuring result to have certain error.
With respect to the related art among the above, the inventors consider that there is a drawback that the worker suffers from a large noise intensity.
SUMMERY OF THE UTILITY MODEL
Stability when placing in order to improve the sighting rod, this application provides a road and bridge construction survey sighting rod who easily fixes.
The application provides a pair of easy fixed marker post for road and bridge construction survey adopts following technical scheme:
a marker post easy to fix and used for road and bridge construction measurement comprises a supporting rod, the inner part of the supporting rod is a cavity, the bottom end of the supporting rod is fixedly provided with a tip end, a vertical push rod is connected in the supporting rod in a sliding mode, and the top end of the push rod is detachably connected with a marking rod used for positioning; the side wall of the push rod is detachably connected with a guide rod, the side wall of the support rod is provided with a vertical guide slideway, and the guide rod passes through the guide slideway and can vertically move along the guide slideway; one end of the guide rod, which is positioned on the outer side of the support rod, is rotatably connected with a stabilizing block, the stabilizing block can move downwards along with the guide rod, and the bottom surface of the stabilizing block can abut against the ground.
By adopting the technical scheme, when the tip difference at the bottom of the supporting rod is connected to the ground, the push rod is moved downwards, the push rod drives the guide rod and the stabilizing block to descend, and the ground of the stabilizing block is enabled to be abutted against the ground; the contact area of bracing piece and ground has been increased to firm piece to play firm support to the bracing piece, stability when making the sighting rod vertically establish can promote.
Optionally, one end of the stabilizing block, which is close to the guide rod, is an outward convex arc surface, a limiting groove communicated to one end of the arc surface is formed in the lower side surface of the stabilizing block, and the guide rod is in insertion fit with the limiting groove and is connected with the limiting groove through a rotating pin penetrating through the stabilizing block.
By adopting the technical scheme, the limiting groove is formed in the ground of the stabilizing block, and the guide rod can abut against the bottom surface of the limiting groove to limit the upward rotation of the stabilizing block in the horizontal state, so that the stabilizing block is supported to rotate downward in the horizontal state; when the ground of the stabilizing block is abutted to the ground, the stabilizing block cannot rotate, and the stability of the supporting rod support by the stabilizing block is enhanced.
Optionally, the outer wall of the supporting rod is provided with a positioning groove along the circumferential direction, the positioning groove is communicated with the bottom end of the guide slide way, and the positioning groove is matched with the guide rod in a clamping manner.
Through adopting above-mentioned technical scheme, under the push rod will and make the guide bar conflict when leading the bottom of slide, rotate the push rod and can make guide bar and constant head tank joint cooperation to restriction guide bar and push rod are in the removal of vertical direction, make conflict ground that the stabilizing block can be stable.
Optionally, a vertical return spring is arranged in the inner cavity of the support rod, and the bottom end of the return spring is abutted against the inner bottom surface of the support rod and is fixedly connected with the inner bottom surface of the support rod; the bottom height of the guide slide way is lower than the top of the return spring in a natural state.
Through adopting above-mentioned technical scheme, application of force promotes the push rod and descends, can compress reset spring when the push rod descends, rotates the guide bar to the bottom of direction slide at the constant head tank when, and reset spring release resets and can drive push rod and guide bar upward movement to initial condition, has promoted the convenience.
Optionally, the marking rod comprises a sleeve and a measuring rod, and the bottom end of the sleeve is closed and detachably connected with the top end of the push rod; the top end of the sleeve is provided with an opening, and the measuring rod is in inserted fit with the inner cavity of the sleeve; the side wall of the sleeve is screwed with a fastening bolt, and the fastening bolt can penetrate through the sleeve and abut against the outer wall of the measuring rod; the outer wall of the measuring rod is provided with scale marks.
By adopting the technical scheme, the height of the measuring rod extending out of the sleeve is convenient to adjust through the scale marks, and the measuring precision and convenience are improved; meanwhile, the fastening bolt can fix the measuring rod in a progressive mode, so that the measuring rod can be kept stable during measurement.
Optionally, the inner cavity of the sleeve is provided with a damping pad, the damping pad is fixedly connected with the bottom end of the measuring rod, and the outer wall of the damping pad is abutted against the side wall of the inner cavity of the sleeve.
By adopting the technical scheme, the damping pad can increase the resistance of the measuring rod in the movement of the sleeve so as to reduce the probability of completely drawing the measuring rod out of the sleeve; meanwhile, the fastening bolt can fix the measuring rod, and the stability of the measuring rod when the mark post is vertically placed is improved.
Optionally, the guide rods are screwed with the side wall of the push rod through threads, two guide rods are arranged, and the two guide rods are symmetrically arranged around the axial lead of the push rod.
Through adopting above-mentioned technical scheme, the guide bar is equipped with two sets ofly with firm piece symmetry for when the bracing piece is vertical to be placed, the both sides atress of bracing piece is balanced, reduces the probability that the bracing piece emptys, has strengthened the stability of supporting the pole under vertical state.
Optionally, the bottom surface of the stabilizing block is fixedly provided with an anti-slip pad.
Through adopting above-mentioned technical scheme, the slipmat has increased the frictional force when firm piece is contradicted with the bottom surface, has promoted the support stability of firm piece to the bracing piece, and the slipmat has played the effect of protection to firm piece simultaneously, has reduced the wearing and tearing of firm piece.
Optionally, a positioning block is fixedly arranged at the top end of the measuring rod, and the width of the positioning block is larger than the diameter of the sleeve.
Through adopting above-mentioned technical scheme, the locating piece is convenient for survey crew to observe the sighting rod of placing in the measuring point to can place other marker so that confirm on the locating piece so that with survey crew's recognition.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the tip difference at the bottom of the supporting rod is connected to the ground, the push rod is moved downwards, the push rod drives the guide rod and the stabilizing block to descend, and the ground of the stabilizing block is enabled to be abutted against the ground; the stabilizing block increases the contact area of the supporting rod and the ground so as to stably support the supporting rod, so that the stability of the mark post when the mark post is vertically arranged is improved;
2. the limiting groove is formed in the ground of the stabilizing block, and the guide rod can abut against the bottom surface of the limiting groove to limit the upward rotation of the stabilizing block in a horizontal state, so that the stabilizing block is supported to rotate downward in the horizontal state; when the ground of the stabilizing block is abutted against the ground, the stabilizing block cannot rotate, so that the stability of the stabilizing block for supporting the supporting rod is enhanced;
3. the damping pad can increase the resistance of the measuring rod when the measuring rod moves in the sleeve so as to reduce the probability of completely drawing the measuring rod out of the sleeve; meanwhile, the fastening bolt can fix the measuring rod, and the stability of the measuring rod when the mark post is vertically placed is improved.
Drawings
FIG. 1 is a cross-sectional view of a post in an embodiment of the present application;
FIG. 2 is a schematic view of the support rod and the push rod in a plugging state in the embodiment of the present application;
fig. 3 is a schematic view showing the support rod and the push rod in an initial state according to the embodiment of the present application.
Description of reference numerals: 1. a support bar; 11. a tip; 12. a push rod; 121. a guide bar; 13. a guide slide way; 14. positioning a groove; 15. a return spring; 2. a marking rod; 21. a sleeve; 22. a measuring rod; 23. fastening a bolt; 24. scale marking; 25. a damping pad; 26. positioning blocks; 3. a stabilizing block; 31. a limiting groove; 32. a rotation pin; 33. a non-slip mat.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses marker post for road and bridge construction measurement of easily fixing, refers to fig. 1, and it includes that inside is bracing piece 1 of cavity, and the top opening is sealed to the bottom of bracing piece 1. The bottom end of the support rod 1 is welded with a tip 11 for inserting into the ground; the inner cavity of the supporting rod 1 is inserted with a vertical push rod 12, and the top end of the push rod 12 is detachably connected with a vertical marking rod 2 so as to be convenient for marking during measurement. The top end of the measuring rod 22 is coaxially and fixedly provided with a horizontal circular positioning block, and the diameter of the positioning block is larger than that of the sleeve 21, so that a measurer can observe the marker post placed at a measuring point conveniently.
Referring to fig. 1 and 2, the push rod 12 is inserted into the inner cavity of the support rod 1 and is in clearance fit with the inner cavity of the support rod 1, and the push rod 12 can slide in the vertical direction or rotate in the circumferential direction. Vertical guide slide ways 13 are arranged on the outer wall of the supporting rod 1, two guide slide ways 13 are arranged on the outer wall of the supporting rod 1, and the two guide slide ways 13 are symmetrical about the axis of the supporting rod 1. Two horizontal guide rods 121 can be detached from the outer wall of the push rod 12, and one end of each guide rod 121 is screwed with the outer wall of the push rod 12. The guide rods 121 correspond to the guide slideways 13 one by one, the guide rods 121 penetrate through the corresponding guide slideways 13, and the guide rods 121 can move in the vertical direction along the corresponding guide slideways 13. The guide bar 121 is located the outer one end of bracing piece 1 and all rotates and is connected with the firm piece 3 of horizontally, and the one end that firm piece 3 and guide bar 121 are close to each other is convex cambered surface. The bottom surface of the stabilizing block 3 is provided with a limiting groove 31, and one end of the limiting groove 31 is communicated with the side wall of the cambered surface of the stabilizing block 3. The bottom surface of the stabilizing block 3 is bonded with a rubber antiskid pad 33.
Referring to fig. 1 and 2, the guide rod 121 is inserted into the limit groove 31, the rotating pin 32 is horizontally inserted into the side wall of the stabilizing block 3, and the rotating pin 32 simultaneously penetrates through the limit groove 31 and the guide rod 121, so that the stabilizing block 3 can rotate downward in the vertical direction. Push rod 12 downstream to take the stabilizer block 3 downstream through guide bar 121, the slipmat 33 of the 3 bottom surfaces of stabilizer block can conflict ground, has increased the area of contact and the frictional force of bracing piece 1 and ground when bracing piece 1 is vertically inserted and establishes subaerial, in order to carry out stable support to bracing piece 1, the sighting rod of being convenient for is at the stability of vertical state.
Referring to fig. 1 and 2, a vertical return spring 15 is arranged in the inner cavity of the support rod 1, and the bottom end of the return spring 15 is welded with the bottom surface of the inner cavity of the support rod 1; the bottom end of the guide slideway 13 is lower than the top end of the return spring 15 in a natural state, and the top end of the guide slideway 13 is higher than the top end of the return spring 15 in the natural state. Two locating grooves 14 along the circumferential direction of the support rod 1 are formed in the side wall of the support rod 1, the locating grooves 14 correspond to the guide slide ways 13 one to one and are communicated with the bottom ends of the corresponding guide slide ways 13, and the guide rods 121 are in clamping fit with the locating grooves 14.
Referring to fig. 1 and 3, in an initial state, the bottom end of the return spring 15 abuts against the top end of the push rod 12 on the inner bottom surface of the support rod 1, the guide rod 121 is located in the guide slideway 13, and the stabilizing block 3 is in a vertical state.
Referring to fig. 1 and 2, in the plugging state, the push rod 12 moves downward to make the guide rod 121 abut against the bottom end of the corresponding guide slideway 13, the push rod 12 is rotated to make the guide rod 121 and the positioning groove 14 clamped, so as to limit the upward movement of the guide rod 121 and the push rod 12, meanwhile, the reset spring 15 is compressed along with the descending of the push rod 12, and the anti-slip pad 33 at the bottom surface of the stabilizing block 3 abuts against the ground when the guide rod 121 abuts against the bottom end of the guide slideway 13.
Referring to fig. 1 and 2, the marking rod 2 includes a sleeve 21 and a measuring rod 22, the sleeve 21 has a bottom end closed at a top end opening, and the sleeve 21 has a bottom end screwed coaxially with a top end of the push rod 12. The measuring rod 22 is located closer to the inner cavity of the sleeve 21 than the top end of the sleeve 21 and is clearance-fitted to the inner cavity of the sleeve 21. The outer wall of measuring stick 22 is equipped with vertical scale and is convenient for adjust the whole height of sighting rod. Be provided with the circular shape damping pad 25 of rubber material in the sleeve 21, damping pad 25 and the vertical sliding fit in inner chamber of sleeve 21 the outer wall of damping pad 25 contradicts with sleeve 21 inner chamber lateral wall simultaneously, and damping pad 25 is fixed with the bottom bonding of measuring stick 22. When the measuring rod 22 is adjusted in the vertical direction, the damping pad 25 abuts against the inner wall of the sleeve 21 to provide friction force, and the probability that the measuring rod 22 is completely separated from the sleeve 21 is reduced. Horizontal fastening bolt 23 has been screwed on sleeve 21's outer wall, and fastening bolt 23 passes sleeve 21's outer wall and can contradict the outer wall of measuring stick 22 in order to fix measuring stick 22, measuring stick 22's stability during the reinforcing is measured.
The implementation principle of the easy-to-fix marker post for road and bridge construction measurement in the embodiment of the application is as follows: before inserting the marker post, the marker post is in an initial state, the top end of the push rod 12 is connected with the top end of the sleeve 21, and then the stabilizing block 3 is rotated to be in a horizontal state; and applying a vertical downward force to the push rod 12 to push the push rod 12 to vertically slide downwards, wherein the push rod 12 drives the stabilizing block 3 to slide downwards and simultaneously drives the guide rod 121 and the stabilizing block 3 to descend along the guide sliding way. Reset and spring compress under the promotion of push rod 12, and when guide bar 121 contradicted the bottom of direction slide 13, rotate push rod 12 and make guide bar 121 and constant head tank 14 joint to make push rod 12 and guide bar 121 remain stable. The tip 11 is forced into the ground while the non-slip mat 33 at the bottom end of the stabilizing block 3 abuts against the ground. The stabilizing block 3 increases the friction force between the whole marker post and the ground and plays a role in supporting the supporting rod 1. Sliding the measuring rod 22 vertically so that the measuring rod 22 protrudes from the sleeve 21 by a suitable height, and then tightening the fastening bolt 23 so that the measuring rod 22 is fixed with the sleeve 21. And after the marker post is arranged, the measurement can be started.
After the measurement is finished, the push rod 12 is rotated, so that the push rod 12 is separated from the limiting groove 31 and is positioned in the corresponding guide slideway 13, and the reset spring 15 releases the reset and pushes the push rod 12 to move upwards; the marking pole 2 is disassembled, and then the supporting pole 1 is recovered to the initial state, so that the marking pole can be conveniently carried and transported.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides an easily fixable's road and bridge construction survey is with sighting rod which characterized in that: the device comprises a supporting rod (1) with a cavity inside, wherein a tip (11) is fixedly arranged at the bottom end of the supporting rod (1), a vertical push rod (12) is connected in the supporting rod (1) in a sliding manner, and the top end of the push rod (12) is detachably connected with a marking rod (2) for positioning;
the side wall of the push rod (12) is detachably connected with a guide rod (121), the side wall of the support rod (1) is provided with a vertical guide slideway (13), and the guide rod (121) penetrates through the guide slideway (13) and can vertically move along the guide slideway (13);
one end of the guide rod (121) located on the outer side of the support rod (1) is rotatably connected with a stabilizing block (3), the stabilizing block (3) can move downwards along with the guide rod (121), and the bottom surface of the stabilizing block (3) can abut against the ground.
2. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 1, wherein: the end that the stabilizing block (3) and the guide rod (121) are close to each other is a convex arc surface, the lower side surface of the stabilizing block (3) is provided with a limiting groove (31) communicated to one end of the arc surface, and the guide rod (121) is in plug-in fit with the limiting groove (31) and is connected with the rotating pin (32) penetrating through the stabilizing block (3).
3. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 1, wherein: offer on the outer wall of bracing piece (1) along the constant head tank (14) of circumference direction, constant head tank (14) and the bottom intercommunication of direction slide (13), constant head tank (14) and guide bar (121) cooperation of pegging graft.
4. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 1, wherein: the inner cavity of the supporting rod (1) is provided with a vertical return spring (15), and the bottom end of the return spring (15) is abutted against the inner bottom surface of the supporting rod (1) and fixedly connected with the inner bottom surface; the bottom end of the guide slideway (13) is lower than the top end of the return spring (15) in a natural state.
5. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 1, wherein: the marking rod (2) comprises a sleeve (21) and a measuring rod (22), the bottom end of the sleeve (21) is closed, and the bottom end of the sleeve (21) is detachably connected with the top end of the push rod (12); the top end of the sleeve (21) is provided with an opening, and the measuring rod (22) is in plug fit with the inner cavity of the sleeve (21); the side wall of the sleeve (21) is screwed with a fastening bolt (23), and the fastening bolt (23) can penetrate through the sleeve (21) and abut against the outer wall of the measuring rod (22); the outer wall of the measuring rod (22) is provided with a scale marking (24).
6. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 5, wherein: the inner cavity of sleeve (21) is equipped with damping pad (25), and damping pad (25) and the bottom fixed connection of measuring stick (22), the outer wall of damping pad (25) contradicts with the inner cavity lateral wall of sleeve (21).
7. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 1, wherein: the guide rods (121) are in threaded connection with the side wall of the push rod (12), two guide rods (121) are arranged, and the two guide rods (121) are symmetrically arranged relative to the axial lead of the push rod (12).
8. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 1, wherein: and the bottom surface of the stabilizing block (3) is fixedly provided with an anti-skid pad (33).
9. The easy-to-fix marker post for road and bridge construction measurement as claimed in claim 5, wherein: the top end of the measuring rod (22) is fixedly provided with a positioning block (16), and the width of the positioning block (16) is larger than the diameter of the sleeve (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339848.2U CN214096074U (en) | 2021-02-05 | 2021-02-05 | Easy fixed marker post for road and bridge construction survey |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120339848.2U CN214096074U (en) | 2021-02-05 | 2021-02-05 | Easy fixed marker post for road and bridge construction survey |
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| Publication Number | Publication Date |
|---|---|
| CN214096074U true CN214096074U (en) | 2021-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202120339848.2U Active CN214096074U (en) | 2021-02-05 | 2021-02-05 | Easy fixed marker post for road and bridge construction survey |
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| CN (1) | CN214096074U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418918A (en) * | 2022-10-31 | 2022-12-02 | 中国二十二冶集团有限公司 | Concrete collecting surface elevation control device for square pavement |
-
2021
- 2021-02-05 CN CN202120339848.2U patent/CN214096074U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115418918A (en) * | 2022-10-31 | 2022-12-02 | 中国二十二冶集团有限公司 | Concrete collecting surface elevation control device for square pavement |
| CN115418918B (en) * | 2022-10-31 | 2024-05-24 | 中国二十二冶集团有限公司 | Concrete surface height control device for square pavement |
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