CN212030516U - Monitoring device capable of freely changing along with settlement of observation point - Google Patents
Monitoring device capable of freely changing along with settlement of observation point Download PDFInfo
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- CN212030516U CN212030516U CN202021015604.0U CN202021015604U CN212030516U CN 212030516 U CN212030516 U CN 212030516U CN 202021015604 U CN202021015604 U CN 202021015604U CN 212030516 U CN212030516 U CN 212030516U
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Abstract
The utility model discloses a monitoring device which can freely change along with the settlement of an observation point, which comprises a measuring rod head, a protection tube, a measuring rod, a protection tube and an instrument installation tube; the measuring rod head comprises a conical cone and a cylinder, the side wall of the cylinder is provided with a collision bead positioning through hole, and a collision bead and a circular truncated cone-shaped guide hole are arranged in the collision bead positioning through hole; one end of the protection tube is sleeved outside the cylinder of the measuring rod head, and the annular bulge is inserted into the cylindrical protection tube connecting piece at the bottom of the protection tube; an instrument installation barrel is arranged in the protection barrel, an installation barrel connecting piece is arranged at the bottom of the instrument installation barrel, the measuring rod is connected with the installation barrel connecting piece, and the other end of the measuring rod is inserted into the guide hole and abuts against the guide hole; after the backfill layer is solidified, the measuring rod does not sink along with the bottom observation point, so that the monitoring equipment which is arranged on the upper part of the measuring rod and used for measuring the settlement data can correctly reflect the actual settlement variation of the observation point at any time.
Description
Technical Field
The utility model relates to an engineering construction monitoring devices field especially relates to a monitoring devices who subsides free variation along with observation point.
Background
The settlement monitoring is an important monitoring index in engineering construction and is used for engineering risk assessment and prediction. According to engineering requirements, the deep part or layered settlement of a rock-soil body is often required to be monitored, so that the layered settlement amount or the change rule of the settlement amount along with time is obtained, and a basis is provided for design and construction.
In the settlement monitoring process of some observation points below a backfill layer, a common method is that a measuring rod is directly arranged in the backfill layer or embedded after being perforated, and monitoring equipment is used for measuring settlement change data of the observation points above the measuring rod. Once the backfill layer is solidified, the situation that the measuring rod sinks along with the bottom observation point exists, so that the monitoring equipment which is arranged on the upper part of the measuring rod and used for measuring the settlement data cannot correctly reflect the actual settlement variation of the observation point, and the engineering monitoring requirement is difficult to meet. Therefore, a monitoring device capable of accurately reflecting the settlement condition of the observation point at the bottom of the backfill layer is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the observation point to be located backfill layer below subsides the accurate measurement's of change problem. In order to solve the technical problem, the utility model provides a monitoring device which can freely change along with the settlement of an observation point, which comprises a measuring rod head, a protective tube, a measuring rod, a protective tube and an instrument installation tube; the measuring rod head comprises a conical body and a cylinder arranged at the tail end of the conical body and the diameter of the cylinder is smaller than the maximum diameter of the conical body, a collision bead mounting hole is formed in the side wall of the cylinder, a collision bead is arranged in the collision bead mounting hole, and an inverted circular truncated cone-shaped guide hole is formed in the end face of the top end of the cylinder; one end of the protection tube is sleeved outside the cylinder of the measuring rod head, a collision bead positioning through hole is also formed in the side wall of the collision bead at the corresponding height, an annular bulge is formed in the end part of the other end of the protection tube, and a fixing through hole is formed in the annular bulge; the annular bulge is inserted into a cylindrical protective barrel connecting piece at the bottom of the protective barrel; the side wall of the protective cylinder connecting piece is also vertically provided with at least two fixing through holes corresponding to the annular bulges, and the protective cylinder connecting piece is connected with the protective tube through a fixing bolt and the fixing through holes; an instrument mounting cylinder is arranged in the protection cylinder, a mounting cylinder connecting piece is arranged at the bottom of the instrument mounting cylinder, one end of the measuring rod is connected with the mounting cylinder connecting piece, and the other end of the measuring rod is inserted into the inverted round platform-shaped guide hole and abuts against the inverted round platform-shaped guide hole; and a static level gauge and an inclinometer connected with the static level gauge are arranged in the instrument mounting cylinder.
Particularly, the outer part of the protection tube is provided with a rotary vane, and a starting point at the bottom of the rotary vane is provided with a cutter head.
Particularly, the measuring rod is a hollow rod body with an internal thread at the bottom, and the measuring rod further comprises an adjusting screw rod arranged at the lower end of the measuring rod, and the adjusting screw rod is inserted into the inverted round table-shaped guide hole and is abutted tightly.
Particularly, the device also comprises a second measuring rod, the second measuring rod is connected with the measuring rod through an adjusting screw rod, and the second measuring rod enters the inverted circular truncated cone-shaped guide hole and is abutted tightly.
Particularly, the inclinometer also comprises three positioning rods which are uniformly arranged at the bottom end of the inclinometer along the radial direction; a columnar positioning piece with a circular groove on the upper surface is fixed above the mounting cylinder connecting piece, and the outer side wall of the positioning piece is fixedly connected with the inner wall of the instrument mounting cylinder; the static force level gauge and the inclinometer are fixed on the positioning piece through the positioning rod.
Particularly, the top of the measuring rod is provided with an external thread, and the measuring rod is connected with the positioning piece through an installation barrel connecting piece with an internal thread at the bottom of the positioning piece.
Particularly, the number of the grooves on the columnar positioning piece is integral multiple of 3.
The protection tube comprises a protection tube body, wherein the protection tube body is provided with a plurality of protection tube connecting pieces, and the protection tube body is provided with a plurality of protection tube connecting pieces.
In particular, the second protection pipe is also provided with a rotary vane at the outer part.
Particularly, the top of the instrument installation cylinder is also provided with a protective cover, and a wire groove is formed in the side wall of the protective cylinder below the protective cover.
The utility model has the advantages that: this novel phenomenon that can avoid measuring stick skew or damage appearing putting into or buried underground in-process, the monitoring accuracy is high, accurately transmits the settlement situation of change of observation point to monitoring devices through measuring stick head and measuring stick, prevents backfill layer solidification back, and the measuring stick is not along with the situation that the bottom observation point sinks and sink for install the actual settlement variation volume that can correctly reflect the observation point at any time at the monitoring facilities that is used for measuring settlement data on measuring stick upper portion.
Drawings
Fig. 1 is a schematic view of the appearance structure of the device of the present invention.
Fig. 2 is an axial sectional view of the device of the present invention.
Fig. 3 is an axial cross-sectional view of another embodiment of the device of the present invention.
Fig. 4 is an enlarged view of a structure in fig. 3.
Fig. 5 is an enlarged view of the structure at B in fig. 3.
Fig. 6 is an enlarged view of the structure at C in fig. 3.
Fig. 7 is a schematic view of a positioning member.
Wherein, the measuring rod head-1; a cone-11; a cylinder-12; a collision bead mounting hole-13; a collision bead positioning through hole-13 a; a collision bead-14; a guide hole-15; a protective tube-2; an annular projection-21; a fixing through hole-22; spire-23; a cutter head-24; a second protection tube-25; a connecting sleeve-26; a measuring rod-3; an adjusting screw rod-31; a second measuring rod-32; a protective cylinder-4; a protective barrel connector-41; an instrument mounting cylinder-5; mounting barrel attachment-51; a positioning element-52; a positioning rod-53; a protective cover-54; a wire chase-55; a hydrostatic level-6; inclinometer-7.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
A monitoring device capable of freely changing along with settlement of an observation point comprises a measuring rod head 1, a protection tube 2, a measuring rod 3, a protection tube 4 and an instrument installation tube 5; the measuring rod head 1 comprises a conical body 11 and a cylinder 12 which is arranged at the tail end of the conical body 11 and has a diameter smaller than the maximum diameter of the conical body 11, wherein the side wall of the cylinder 12 is provided with a collision bead mounting hole 13, a collision bead 14 is arranged in the collision bead mounting hole 13, and the end surface of the top end of the cylinder 12 is provided with an inverted circular truncated cone-shaped guide hole 15; one end of the protection tube 2 is sleeved outside the cylinder 12 of the measuring rod head 1, a collision bead positioning through hole 13a is formed in the side wall of the collision bead 14 at the corresponding height, an annular bulge 21 is formed in the end part of the other end of the protection tube, and a fixing through hole 22 is formed in the annular bulge 21; the annular bulge 21 is inserted into a cylindrical protective barrel connecting piece 41 at the bottom of the protective barrel 4; the side wall of the protection cylinder connecting piece 41 is also vertically provided with at least two fixing through holes 22 corresponding to the annular bulges 21, and the protection cylinder connecting piece 41 is connected with the protection tube 2 through fixing bolts and the fixing through holes 22; an instrument installation barrel 5 is arranged in the protection barrel 4, an installation barrel connecting piece 51 is arranged at the bottom of the instrument installation barrel 5, one end of the measuring rod 3 is connected with the installation barrel connecting piece 51, and the other end of the measuring rod is inserted into and tightly abutted against the inverted circular truncated cone-shaped guide hole 15; and a static level 6 and an inclinometer 7 connected with the static level 6 are arranged in the instrument mounting cylinder 5.
The utility model discloses monitoring devices's theory of operation does, after treating the monitoring point excavation device monitoring installation hole, will through artificial mode the utility model discloses in device screw in installation hole, until survey pole head 1 supports tightly waiting to measure the point, turn around slightly this moment the utility model discloses the device with survey pole head 1 carry to waiting to measure the point top, support round platform form guiding hole 15 of the terminal inversion of cylinder 12 through measuring stick 3, strike measuring stick 3 gently, survey pole head 1 this moment install bump 14 in bumping pearl mounting hole 13 and contract inwards under the effect of bumping pearl positioning hole 13a, thereby lead to survey pole head 1 to lose the buckle power and fall out in by protection tube 2, nevertheless because the device itself gyration process is shorter in the ascending distance of vertical side, consequently survey pole head 1's cylinder 12 end still is located protection tube 2 and can not all fall out protection tube 2. Because the bottom end of the measuring rod 3 still tightly supports against the measuring rod head 1 under the gravity action of the measuring rod 3, the protective cylinder connecting piece 41, the positioning piece 52 and the static level 6, and the guide hole 15 plays a role in guiding to prevent the measuring rod 3 from deviating, the settlement condition of the point to be measured can be transmitted to the static level 6 through the measuring rod 3 sequentially through the protective cylinder connecting piece 41 and the positioning piece 52, so that the settlement condition of the point to be measured can be obtained, and the condition that the measuring rod 3 does not sink along with the sinking of the bottom observation point after the backfill layer is solidified is prevented, so that the condition that monitoring equipment which is arranged at the upper part of the measuring rod 3 and used for measuring settlement data cannot correctly reflect the actual settlement variation of the observation point; if the device inclines, the inclination angle of the device can be obtained through the inclinometer 7 connected with the static level 6, the elevation change of the static level 6 on the vertical height caused by the inclination is calculated, the elevation change caused by the inclination is subtracted from the total vertical elevation change obtained by the static level 6, so that the actual settlement value of the point to be measured on the vertical direction is calculated, and the influence on the accuracy of the monitoring result is reduced.
Meanwhile, at least two fixing through holes 22 corresponding to the annular protrusions 21 on the side wall of the protective cylinder connecting piece 41 have the function of assisting in fine adjustment of the length of the measuring rod by inserting fixing bolts into different fixing through holes 22, so that the protective cylinder connecting piece is suitable for observation points with different depths.
As a preferred embodiment, the protection tube 2 is externally provided with a rotary vane 23, and a cutter head 24 is arranged at the starting point of the bottom of the rotary vane 23. Can make through tool bit 24 the utility model discloses the device can be easily by constructor screw in installation hole, and the device screw in can be helped on the one hand to the rotary vane 23, and on the other hand also can block partly backfill whereabouts influence monitoring accuracy.
As a preferred embodiment, the measuring rod 3 is a hollow rod body with an internal thread at the bottom, and further comprises an adjusting screw rod 31 arranged at the lower end of the measuring rod 3, and the adjusting screw rod 31 is inserted into the inverted circular truncated cone-shaped guide hole 15 and is abutted against the inverted circular truncated cone-shaped guide hole; the length of the measuring rod 3 can be adjusted by screwing in or out the adjusting screw rod 31, so as to adapt to observation points with different depths.
As a preferred embodiment, the measuring device further comprises a second measuring rod 32, the second measuring rod 32 is connected with the measuring rod 3 through an adjusting screw rod 31, and the second measuring rod 32 is inserted into the inverted circular truncated cone-shaped guide hole 15 and abuts against the inverted circular truncated cone-shaped guide hole; when the depth of the observation point is deeper, the second measuring rod 32 can be added through the adjusting screw rod 31 to extend the length of the measuring rod 3, and meanwhile, the adjusting screw rod 31 serves as a connecting piece to ensure that the measuring rod 3 is tightly connected with the second measuring rod 32.
As a preferred embodiment, the device further comprises three positioning rods 53 uniformly arranged at the bottom end of the inclinometer 7 along the radial direction; a cylindrical positioning piece 52 with an annular upper half part and a groove on the upper surface of the ring body is fixed above the mounting cylinder connecting piece 51, and the hydrostatic level 6 and the inclinometer 7 are fixed on the positioning piece 52 through a positioning rod 53; through setting element 52 that instrument installation section of thick bamboo connecting piece 51 top set up and set up in the locating lever 53 of inclinometer 7 bottom, can strengthen hydrostatic level 6 stability on the horizontal direction, because setting element 52 is connected with installation section of thick bamboo connecting piece 51 and measuring stick 3, consequently also can prevent or reduce hydrostatic level 6 because deflection or rotation that outside vibrations arouse in the course of the work to reduce the influence to monitoring result precision.
As a preferred embodiment, the top of the measuring rod 3 is provided with an external thread, and is connected with the positioning piece 52 through a mounting cylinder connecting piece 51 with an internal thread at the bottom of the positioning piece 52;
as a preferred embodiment, the number of the grooves on the positioning member 52 is an integral multiple of 3; the grooves on the upper surface of the positioning piece 52 are uniformly arranged, and the three positioning rods 53 are also uniformly arranged at the bottom end of the inclinometer 7 along the radial direction, so that the positioning piece 52 and the positioning rods 53 are conveniently connected, and the requirement of quick positioning can be met.
As a preferred embodiment, the protection tube device further comprises a second protection tube 25 for lengthening the protection tube 2, wherein the second protection tube 25 is a tube body with annular protrusions 21 at the upper and lower ends, the top end of the second protection tube 25 is connected with the protection tube connecting piece 41, and the bottom end of the second protection tube is connected with the annular protrusions 21 on the protection tube 2 through a connecting sleeve 26; the second protection tube 25 is used as an extension piece of the protection tube 2, and is fixedly connected with the annular bulge 21 on the protection tube 2 through the annular bulge 21 and the connecting sleeve 26 outside the annular bulge 21, so that the length of the protection tube 2 can be adjusted, and the protection tube is suitable for observation points with different depths.
As a preferred embodiment, the second protection pipe 25 is also externally provided with a rotary vane 23.
As a preferred embodiment, the top of the instrument installation barrel 5 is further provided with a protective cover 54, and a wire slot 55 is further formed in the side wall of the protection barrel 4 below the protective cover 54; the protective cover 54 serves to protect the hydrostatic level 5 at the construction site while reducing interference with the hydrostatic level 5 from external environmental changes.
The utility model discloses "connect", "fixed" that appear in the description can be fixed connection, machine-shaping, welding, also can mechanical connection, and particular case understands that the aforesaid belongs to the utility model provides a concrete meaning.
In the description of the present invention, the terms "center", "upper", "lower", "horizontal", "inner", "outer", etc., are used, and their designated orientations or positional relationships are only for convenience of description and simplicity of description, but do not indicate or imply that the designated device or element must have a particular orientation, and therefore should not be construed as limiting the present invention.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solution of the present invention, and not for limiting the same; while the present invention has been described in detail with reference to the foregoing embodiments, it will 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 depart from the spirit and scope of the present invention.
Claims (10)
1. A monitoring device capable of freely changing along with settlement of an observation point is characterized by comprising a measuring rod head (1), a protective tube (2), a measuring rod (3), a protective cylinder (4) and an instrument installation cylinder (5); the measuring rod head (1) comprises a conical body (11) and a cylinder (12) which is arranged at the tail end of the conical body (11) and has a diameter smaller than the maximum diameter of the conical body (11), wherein a collision bead mounting hole (13) is formed in the side wall of the cylinder (12), a collision bead (14) is arranged in the collision bead mounting hole (13), and an inverted circular truncated cone-shaped guide hole (15) is formed in the end face of the top end of the cylinder (12); one end of the protection tube (2) is sleeved outside the cylinder (12) of the measuring rod head (1), a collision bead positioning through hole (13 a) is formed in the side wall of the collision bead (14) at the corresponding height, an annular bulge (21) is formed in the end part of the other end of the protection tube, and a fixing through hole (22) is formed in the annular bulge (21); the annular bulge (21) is inserted into a cylindrical protective barrel connecting piece (41) at the bottom of the protective barrel (4); the side wall of the protective cylinder connecting piece (41) is also vertically provided with at least two fixing through holes (22) corresponding to the annular bulges (21), and the protective cylinder connecting piece (41) is connected with the protective tube (2) through fixing bolts and the fixing through holes (22); an instrument mounting cylinder (5) is arranged in the protection cylinder (4), a mounting cylinder connecting piece (51) is arranged at the bottom of the instrument mounting cylinder (5), one end of the measuring rod (3) is connected with the mounting cylinder connecting piece (51), and the other end of the measuring rod is inserted into and abutted against the inverted truncated cone-shaped guide hole (15); and a static force level gauge (6) and an inclinometer (7) connected with the static force level gauge (6) are arranged in the instrument mounting cylinder (5).
2. The device for monitoring the free change of sedimentation according to an observation point as claimed in claim 1, wherein the protection tube (2) is externally provided with a rotary vane (23), and a cutter head (24) is arranged at the starting point of the bottom of the rotary vane (23).
3. The device for monitoring the free change of sedimentation along with the observation point as recited in claim 1, wherein the measuring rod (3) is a hollow rod body with an internal thread at the bottom, and further comprises an adjusting screw rod (31) arranged at the lower end of the measuring rod (3), and the adjusting screw rod (31) is inserted into the inverted circular truncated cone-shaped guide hole (15) and is abutted against the guide hole.
4. The device for monitoring the free change of the settlement along with the observation point as claimed in claim 3, further comprising a second measuring rod (32), wherein the second measuring rod (32) is connected with the measuring rod (3) through an adjusting screw rod (31), and the second measuring rod (32) is inserted into the inverted circular truncated cone-shaped guide hole (15) and is abutted against the guide hole.
5. The monitoring device for the free change of the settlement along with the observation point as recited in claim 1, further comprising three positioning rods (53) uniformly arranged along the radial direction at the bottom end of the inclinometer (7); a cylindrical positioning piece (52) with an annular upper half part and a groove on the upper surface of the ring body is fixed above the mounting cylinder connecting piece (51), and the outer side wall of the positioning piece (52) is fixedly connected with the inner wall of the instrument mounting cylinder (5); the static force level gauge (6) and the inclinometer (7) are fixed on the positioning piece (52) through a positioning rod (53).
6. A monitoring device for the free variation of sedimentation with the observation point according to claim 4, characterized in that the measuring rod (3) is externally threaded at the top and is connected to the spacer (52) by means of a mounting cylinder connection (51) with an internal thread at the bottom of the spacer (52).
7. A monitoring device as claimed in claim 5, characterised in that the number of recesses in the locating member (52) is an integer multiple of 3.
8. The monitoring device for the free change of the settlement along with the observation point as claimed in claim 1, further comprising a second protection tube (25) for lengthening the protection tube (2), wherein the second protection tube (25) is a tube body with annular protrusions (21) at the upper and lower ends, the top end of the second protection tube (25) is connected with the protection tube connector (41), and the bottom end is connected with the annular protrusions (21) on the protection tube (2) through a connecting sleeve (26).
9. The device for monitoring the free variation of sedimentation according to the observation point of claim 8, wherein the second protection tube (25) is also externally provided with a rotary vane (23).
10. The device for monitoring the free change of the settlement along with the observation point as claimed in claim 1, wherein the top of the instrument installation cylinder (5) is further provided with a protective cover (54), and a line groove (55) is further formed on the side wall of the protective cylinder below the protective cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015604.0U CN212030516U (en) | 2020-06-05 | 2020-06-05 | Monitoring device capable of freely changing along with settlement of observation point |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021015604.0U CN212030516U (en) | 2020-06-05 | 2020-06-05 | Monitoring device capable of freely changing along with settlement of observation point |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212030516U true CN212030516U (en) | 2020-11-27 |
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ID=73476290
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021015604.0U Active CN212030516U (en) | 2020-06-05 | 2020-06-05 | Monitoring device capable of freely changing along with settlement of observation point |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212030516U (en) |
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2020
- 2020-06-05 CN CN202021015604.0U patent/CN212030516U/en active Active
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