CN212030536U - Tunnel segment attitude measurement device using small prism - Google Patents

Abstract

The utility model relates to an use tunnel segment gesture measuring device of little prism, this measuring device is used for excavating the work progress in tunnel, shield constructs the internal face laminating in the tunnel behind the machine excavation tunnel and is provided with a plurality of sections of jurisdiction, this measuring device includes the total powerstation, level bar and prism subassembly, this prism subassembly is including installation base and little prism, the installation base is inside hollow cuboid, the level bar is located the installation base and the level erects on the section of jurisdiction, this installation base has seted up the locking hole along level bar length direction's a side, locking hole female connection has fixing bolt, fixing bolt and level bar looks butt, the installation base is provided with the mounting panel along level bar width direction's one side, little prism sets up on the mounting panel, little prism is the concave surface speculum. The utility model provides a traditional measuring device can't carry out the measuring problem to the section of jurisdiction gesture of more remote department, have and to realize long distance measurement, the higher effect of measurement of efficiency.

Description

Tunnel segment attitude measurement device using small prism

Technical Field

The utility model belongs to the technical field of the tunnel engineering measuring technique and specifically relates to an use tunnel segment gesture measuring device of little prism.

Background

At present, with the continuous improvement of the economic development level of China, the subway construction achieves remarkable results, great convenience is brought to people for going out, and the construction of the interval tunnel as underground rail transit is a key point and is also a difficult point. The shield construction is an underground tunnel construction technology with advanced level in the world, and segments are quickly assembled to form a ring after shield propulsion is finished. The formed segment serving as a lining supporting structure is required to have high strength, high precision, high quality and high impermeability, and the posture of the formed segment determines whether the axis of the whole tunnel meets the design requirements.

In the prior art, a Chinese utility model with a publication number of CN206876177U discloses a quick positioning device for subway tunnel engineering line measuring point positions, which comprises a total station and aluminum alloy rules for determining a left middle measuring point and a right middle measuring point at two ends of a rail top design elevation surface, wherein a leveling rod is arranged in the middle of the aluminum alloy rules; a reflection patch for measurement is fixedly arranged in the middle of the aluminum alloy ruler; the left end and the right end of the aluminum alloy ruler are provided with a plurality of groups of measuring rods for determining measuring points, and the utility model has the advantages of simple structure, convenient installation and use, easy manufacture and the like.

The technical scheme has the following defects; when measuring, the light that the total powerstation sent shines on the reflector plate, the reflector plate goes out light reflection, the light that reflects out can appear dispersing the phenomenon at the reflection in-process, when the total powerstation is far away from the reflector plate, the light that finally can reach the total powerstation is less to can't realize the measurement to the tunnel straightness accuracy, consequently at the actual measurement in-process, need control the distance between reflector plate and the total powerstation, just so led to carrying out the in-process that the tunnel was measured, need increase the measurement number of times, lead to measuring efficiency to reduce. Based on this, provide a tunnel section of jurisdiction gesture measuring device who uses little prism, can realize long distance's measurement in the tunnel, and then improve measurement of efficiency.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, one of the purposes of the utility model is to provide an use tunnel section of jurisdiction gesture measuring device of little prism, can realize long distance measurement, measurement of efficiency is higher.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: the utility model provides an use tunnel segment gesture measuring device of little prism, this measuring device is used for excavating the work progress in tunnel, and shield constructs the laminating of machine excavation tunnel back at the internal face in tunnel and be provided with a plurality of sections of jurisdiction, and this measuring device includes total powerstation and level bar, still includes the prism subassembly, the prism subassembly is including installation base and little prism, the installation base is inside hollow cuboid, the level bar is located the installation base and the level erects on the section of jurisdiction, the locking hole has been seted up along level bar length direction's a side to the installation base, locking hole female connection has fixing bolt, fixing bolt and level bar looks butt, the installation base is provided with the mounting panel along level bar width direction's one side, little prism sets up on the mounting panel, little prism is the concave surface speculum.

Through adopting above-mentioned technical scheme, pass the level bar and install the base and erect on the pipe, the fixing bolt of screwing, fix level bar and installation base, when measuring, keep the level bar in the horizontality, aim at total station and little prism, total station transmission light shines on little prism, little prism can assemble the light that shines on its surface, then parallel reflection goes out, reduce the energy loss that light caused because of light reflection skew in the transmission process, can be farther with the light transmission, and improve the light volume that finally reachs total station department, make the measurement of total station can normally go on. The small prism is arranged for reflecting light, so that the measuring distance is effectively increased, the required measuring times can be reduced under the condition of the same total measuring distance, and the measuring efficiency is increased.

The present invention may be further configured in a preferred embodiment as: prism subassembly still includes elevating system and rotary mechanism, rotary mechanism is including setting up the connecting axle on the installation base, the upper surface of installation base uses the connecting axle to be provided with circular shape graduation apparatus as the center, the connecting axle cover is equipped with the connecting pipe, the bottom and the installation base looks butt of connecting pipe, the both ends vertical fixation of connecting pipe is provided with the connecting rod, connecting rod and mounting panel fixed connection, the one end thread bush that the installation base was kept away from to the connecting axle is equipped with lock nut, lock nut keeps away from the terminal surface butt of installation base with the connecting pipe, the fixed reading chi that is provided with on the mounting panel, the reading chi is located the middle part of mounting panel below and laminates mutually with the scale.

By adopting the technical scheme, the mounting plate can rotate by taking the connecting shaft as a center, and the direction of the mounting plate is fixed by the locking nut, so that the angle of the small prism can be adjusted; when a tunnel is built, if the straightness of the duct piece laying deviates, the small prism cannot receive light rays emitted by the total station, the small prism can be driven to adjust the angle in the horizontal direction through the rotating mounting plate, the height of the small prism in the vertical direction is adjusted through the lifting structure, and collimation of the small prism and the total station is achieved; through setting up scale table and reading chi, the rotation angle that observes little prism that makes things convenient for the staff to can know to carry out the record, the staff of being convenient for is follow-up to bring the data into measurement model in order to obtain more accurate measuring result.

The present invention may be further configured in a preferred embodiment as: elevating system is including seting up a plurality of connecting holes at mounting panel middle part, and is a plurality of connecting hole is along mounting panel direction of height evenly distributed, connecting hole female connection has the connecting stub, the one end fixedly connected with prism base of mounting panel is kept away from to the connecting stub, little prism is fixed to be set up on prism base.

By adopting the technical scheme, the prism base is in threaded connection with the mounting plate, so that the prism base can be detached and replaced, and small prisms with different specifications can be selected for mounting and use according to the actual requirements of field measurement; the mounting plate is provided with the connecting holes, so that the position of the small prism in the vertical direction can be adjusted, and the total station can calibrate the small prism conveniently.

The present invention may be further configured in a preferred embodiment as: the both ends parallel arrangement of the vertical direction of mounting panel has the extension board, elevating system includes the guiding axle of vertical setting between two extension boards, the guiding axle cooperatees outward and sets up the guide post, two be provided with drive screw between the extension board, drive screw keeps away from the fixed knob that is provided with of one end of installation base, the cooperation is provided with drive nut on the drive screw, two be provided with the driving plate between the extension board, the driving plate parallels with the mounting panel, guide post and drive nut fixed connection are on the driving plate, little prism is fixed to be set up in the driving plate one side of keeping away from the guide post.

Through adopting above-mentioned technical scheme, little prism is located the driving plate, is connected through drive screw and guiding axle between driving plate and the mounting panel, and the knob of rotatory drive screw top drives the driving plate and follows the up-and-down motion of guiding axle direction to realize the infinitely variable control of the vertical direction position of little prism, improve the regulation precision, thereby improve measuring accuracy.

The present invention may be further configured in a preferred embodiment as: two it is fixed to be provided with the scale bar to extend between the board, the scale bar is located one side of driving plate, the fixed slide caliper rule that is provided with on the driving plate, the slide caliper rule level sets up and aligns with the center of little prism, the one side of keeping away from the driving plate of slide caliper rule is laminated with the surface of scale bar mutually.

Through adopting above-mentioned technical scheme, when adjusting little prism vertical direction, the slide caliper rule on the driving plate moves along with little prism, and the one end and the scale strip of slide caliper rule laminate mutually, and the staff can measure and the record the height of little prism's vertical direction, and the staff of being convenient for is follow-up to bring this height data into in order to obtain more accurate measuring result in the measurement model.

The present invention may be further configured in a preferred embodiment as: the utility model discloses a flexible duct piece, including level bar, supplementary installation cover, tip shape cooperation, supplementary installation cover, flexible attaching plate and section of jurisdiction surface laminating, the both ends cover of level bar is equipped with supplementary installation cover, supplementary installation cover is the tip shape cooperation of flexible rubber material and its shape and level bar, the tip extension that supplementary installation cover is close to the section of jurisdiction is formed with flexible attaching plate, flexible attaching plate and the laminating of section of jurisdiction surface.

Through adopting above-mentioned technical scheme, the level bar level frame is established on the section of jurisdiction, because be provided with the installation base on the level bar, this measuring device's focus can change along with the position control of little prism, and the environment of tunnel job site has the complexity, the horizontality of level bar can be destroyed, set up flexible attaching plate and adhere with the section of jurisdiction at the both ends of level bar, help maintaining the horizontality of level bar, improve the stability of level bar at measurement in-process self, thereby improve measuring result's accuracy.

The present invention may be further configured in a preferred embodiment as: the end face of the fixing bolt close to the level bar is fixedly provided with a first-level rubber pad, the inner wall of the mounting base far away from the fixing bolt is provided with a second-level rubber pad, and the second-level rubber pad is attached to the level bar.

Through adopting above-mentioned technical scheme, the fixing bolt screws, fixing bolt's tip and level bar looks butt, and fixing bolt can exert great pressure to the level bar, if adjust improperly, can produce certain damage to the level bar, leads to the level bar to take place deformation. The first-level rubber pad and the second rubber pad are arranged, so that the surface of the level ruler is protected; and can increase the frictional force between level bar and fixing bolt and the installation base to improve the stability of installation between level bar and the installation base.

The present invention may be further configured in a preferred embodiment as: two handles are horizontally arranged on one side face of the mounting base, and a protection pad is adhered to the handles.

Through adopting above-mentioned technical scheme, set up the handle on the installation base, conveniently install and carry the installation base, set up the protection pad on hand, reduce the possibility of handle fish tail hand in the use to security when improving the installation.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the small prism is arranged to converge and reflect light rays emitted by the total station, so that the measuring distance is effectively increased, the required measuring times can be reduced under the condition of the same total measuring distance, and the measuring efficiency is increased;

2. through setting up elevating system and rotary mechanism for the position of the vertical direction of little prism and the angle of horizontal direction can carry out convenient and accurate regulation, make things convenient for the staff to aim at the work between total powerstation and the little prism, thereby further improve measurement of efficiency.

Drawings

Fig. 1 is a schematic view of the overall structure of a tunnel segment attitude measurement device using a small prism according to this embodiment.

Fig. 2 is a schematic view of an overall structure of a prism assembly according to a first embodiment of the present invention.

Fig. 3 is a schematic partial structure diagram of a prism assembly according to a second embodiment of the present invention.

In the figure, 1, a tube sheet; 2. a total station; 3. a level bar; 31. an auxiliary mounting sleeve; 32. a flexible attachment plate; 4. installing a base; 41. a locking hole; 42. fixing the bolt; 43. a first-stage rubber pad; 44. a secondary rubber pad; 45. a dial gauge; 46. a connecting shaft; 461. a connecting pipe; 462. a connecting rod; 463. locking the nut; 47. a handle; 471. a protection pad; 5. a small prism; 6. mounting a plate; 61. connecting holes; 62. a short connecting column; 63. a prism base; 64. an extension plate; 641. a guide shaft; 642. a drive screw; 643. a scale bar; 65. a drive plate; 651. a guide post; 652. a drive nut; 653. a caliper; 654. a knob; 66. a reading ruler; 7. a prism assembly; 8. a lifting mechanism; 9. and a rotating mechanism.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows: referring to fig. 1 and 2, for the tunnel segment attitude measuring device using a small prism disclosed by the present invention, the measuring device is used in the construction process of excavating a tunnel, the inner wall surface of the tunnel is laminated with a plurality of segments 1, in order to ensure the straightness of the tunnel, a total station 2 is erected at one end of the tunnel segment to be measured, a level 3 is horizontally erected at the other end, a prism assembly 7 is installed on the level 3, the prism assembly 7 comprises an installation base 4, a small prism 5, a lifting mechanism 8 and a rotating mechanism 9, the small prism 5 is a concave reflector, in order to ensure the horizontal state of the level 3 and protect the two ends of the level 3, auxiliary installation sleeves 31 are sleeved at the two ends of the level 3, the auxiliary installation sleeves 31 are made of rubber materials and are matched with the end parts of the level 3, and can be installed and disassembled with the two ends of the level 3, one end of the auxiliary installation sleeves 31, which is far away from the level 3, extends with a flexible laminating plate, the surface that flexible rigging board 32 is close to section of jurisdiction 1 scribbles the epoxy adhesive, can bond with section of jurisdiction 1, and in this embodiment, the epoxy adhesive can adopt non-structural glue, and under high temperature environment, this epoxy adhesive's cementation intensity descends very fast, and the measurement of being convenient for will assist installation cover 31 to dismantle from section of jurisdiction 1 after accomplishing.

Referring to fig. 1 and 2, the middle part cover of level 3 is equipped with installation base 4, and a side of installation base 4 is fixed and is provided with two handles 47, and two handles 47 go up the parcel have a protection pad 471, make things convenient for the staff to remove and install installation base 4. A locking hole 41 is formed in one side face, opposite to the handle 47, of the mounting base 4, a fixing bolt 42 is connected to the locking hole 41 in an internal thread mode, the fixing bolt 42 is abutted to the horizontal ruler 3 through rotation of the fixing bolt 42, and fixing of the horizontal ruler 3 and the mounting base 4 is achieved; fixing bolt 42 is fixed with the one end of level 3 contact and is provided with one-level rubber pad 43, and the one side of installing base 4 and the laminating of level 3 sets up second grade rubber pad 44 for improve the stability of being connected between level 3 and the installation base 4, realize the effect of protection to the surface of level 3 simultaneously.

Referring to fig. 1 and 2, an elevating mechanism 8 and a rotating mechanism 9 are arranged on the mounting base 4, the rotating mechanism 9 fixes a connecting shaft 46 arranged on the mounting base 4, a scale 45 is arranged on the upper surface of the mounting base 4, the connecting shaft 46 is externally matched and sleeved with a connecting pipe 461, one end of the connecting shaft 46 far away from the mounting base 4 is in threaded connection with a locking nut 463, and the connecting shaft 46 and the connecting pipe 461 are fixed through the rotating locking nut 463. The both ends fixedly connected with connecting rod 462 of connecting pipe 461, the one end fixedly connected with mounting panel 6 that connecting rod 462 kept away from connecting pipe 461, the one side that mounting panel 6 kept away from connecting pipe 461 is fixed and is provided with reading chi 66, this reading chi 66 and graduation apparatus 45 are laminated mutually and are in same straight line with a plurality of connecting holes 61 hole department.

Referring to fig. 2, the lifting mechanism 8 includes a plurality of connection holes 61 opened in the middle of the mounting plate 6, the plurality of connection holes 61 are uniformly distributed along the height direction of the mounting plate 6, connection studs 62 are connected in the connection holes 61, one end of the connection studs 62 far away from the mounting plate 6 is fixedly connected with a prism base 63, and the small prism 5 is fixedly arranged on the prism base 63.

The implementation principle of the embodiment is as follows: the staff installs installation base 4 in the middle part of level bar 3, screws fixing bolt 42, will install base 4 and level bar 3 and fix. Supplementary installation cover 31 of both ends installation at level bar 3 places level bar 3 level on the section of jurisdiction 1 that needs the measurement, scribbles the epoxy adhesive on the surface of flexible attaching plate 32 and bond level bar 3 and section of jurisdiction 1 fixedly, installs little prism 5 on mounting panel 6 again, opens total powerstation 2 at last. The total station 2 emits light, a worker adjusts the height and the angle of the small prism 5 through the lifting mechanism 8 and the rotating mechanism 9 to realize the alignment between the small prism 5 and the total station 2, so that the small prism 5 can receive the light emitted by the total station 2, the small prism 5 is a concave reflector and can converge the light irradiated on the surface of the small prism and reflect the light in parallel, the energy loss caused by the reflection and the deviation of the light in the transmission process is reduced, the light can be transmitted farther, the total station 2 receives the light reflected by the small prism 5 to obtain measurement data, the worker records the data, the rotation angle data of the rotating mechanism is recorded through a scale and a reading ruler, and then the data is brought into a measurement model to obtain a more accurate measurement result and is compared with the construction requirement, thereby judging whether the straightness of the laying of the segment 1 in the tunnel section meets the construction requirements.

Example two: referring to fig. 3, the difference from embodiment 1 is that: the lifting mechanism 8 includes a guide shaft 641, a transmission screw 642 and a scale 643, two extending plates 64 are fixedly connected to two ends of the mounting plate 6 in the vertical direction, the guide shaft 641, the transmission screw 642 and the scale 643 are vertically arranged between the two extension plates 64, the scale 643 is located on one side of the transmission plate 65, the guide shaft 641 is parallel to the transmission screw 642, the guide shaft 641 is fixedly connected with the two extension plates 64, the upper end of the transmission screw 642 is fixedly connected with the knob 654, the guide shaft 641 is externally sleeved with the guide post 651 matched with the guide shaft, the transmission screw 642 is externally sleeved with the transmission nut 652 matched with the transmission screw, the guide post 651 and the transmission nut 652 are fixedly arranged on the transmission plate 65, the transmission plate 65 is parallel to the mounting plate 6, the small prism 5 is fixedly arranged on the transmission plate 65, the transmission plate 65 is fixedly provided with the caliper 653, and the caliper 653 is horizontally arranged, aligned with the center of the small prism 5 and attached to the surface of the scale 643.

The implementation principle of the embodiment is as follows: the staff rotates the knob 654, the drive screw 642 rotates, drive the drive plate 65 to move up and down, thus realize the stepless adjustment of the vertical position of the small prism 5; when the small prism 5 moves in the vertical direction, the caliper 653 on the transmission plate 65 moves along with the small prism 5, one end of the caliper 653 is attached to the scale bar 643, a worker can observe and record the distance between the center of the small prism 5 and the installation base 4, and the worker can substitute data into a measurement model to obtain a more accurate measurement result of the tunnel straightness.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides an use tunnel segment gesture measuring device of little prism, this measuring device is arranged in the work progress in excavation tunnel, and shield constructs the laminating of machine excavation tunnel back staff at the internal face in tunnel and be provided with a plurality of sections of jurisdiction (1), and this measuring device includes total powerstation (2) and level bar (3), its characterized in that: still include prism subassembly (7), prism subassembly (7) are including installation base (4) and little prism (5), installation base (4) are the cuboid that inside cavity and both ends run through, level (3) are located installation base (4) and the level frame establishes on section of jurisdiction (1), installation base (4) have seted up locking hole (41) along level (3) length direction's a side, locking hole (41) female connection has fixing bolt (42), fixing bolt (42) and level (3) looks butt, installation base (4) are provided with mounting panel (6) along level (3) width direction's one side, little prism (5) set up on mounting panel (6), little prism (5) are the concave surface speculum.

2. The tunnel segment attitude measuring device using the small prism as claimed in claim 1, wherein: the prism component (7) further comprises an elevating mechanism (8) and a rotating mechanism (9), the rotating mechanism (9) comprises a connecting shaft (46) arranged on the installation base (4), the upper surface of the installation base (4) is provided with a circular dial gauge (45) by taking the connecting shaft (46) as a center, a connecting pipe (461) is sleeved outside the connecting shaft (46), the bottom of the connecting pipe (461) is abutted against the installation base (4), connecting rods (462) are vertically and fixedly arranged at the two ends of the connecting pipe (461), the connecting rods (462) are fixedly connected with the installation plate (6), a locking nut (463) is sleeved at one end, far away from the installation base (4), of the connecting shaft (46), a threaded sleeve is provided with a locking nut (463), the locking nut (463) is abutted against the end surface, far away from the installation base (4), of the connecting pipe (461), and a reading ruler (, the reading ruler (66) is positioned in the middle of the lower portion of the mounting plate (6) and attached to the dial gauge (45).

3. The tunnel segment attitude measuring device using the small prism as claimed in claim 2, wherein: elevating system (8) are including offering a plurality of connecting holes (61) at mounting panel (6) middle part, a plurality of mounting panel (6) direction of height evenly distributed is followed to connecting hole (61), connecting hole (61) female connection has connecting column (62), the one end fixedly connected with prism base (63) of mounting panel (6) are kept away from to connecting column (62), little prism (5) are fixed to be set up on prism base (63).

4. The tunnel segment attitude measuring device using the small prism as claimed in claim 2, wherein: the two ends of the mounting plate (6) in the vertical direction are provided with extension plates (64) in parallel, the lifting mechanism (8) comprises a guide shaft (641) vertically arranged between two extension plates (64), a guide post (651) is arranged outside the guide shaft (641) in a matching way, a transmission screw rod (642) is arranged between the two extension plates (64), a knob (654) is fixedly arranged at one end of the transmission screw rod (642) far away from the mounting base (4), a transmission nut (652) is arranged on the transmission screw rod (642) in a matching way, a transmission plate (65) is arranged between the two extension plates (64), the transmission plate (65) is parallel to the mounting plate (6), the guide post (651) and the transmission nut (652) are fixedly connected to the transmission plate (65), the small prism (5) is fixedly arranged on one surface of the transmission plate (65) far away from the guide post (651).

5. The tunnel segment attitude measurement device using the small prism as claimed in claim 4, wherein: a graduated strip (643) is fixedly arranged between the two extension plates (64), the graduated strip (643) is located on one side of the transmission plate (65), a caliper (653) is fixedly arranged on the transmission plate (65), the caliper (653) is horizontally arranged and is aligned with the center of the small prism (5), and one side, far away from the transmission plate (65), of the caliper (653) is attached to the surface of the graduated strip (643).

6. The tunnel segment attitude measuring device using the small prism as claimed in claim 1, wherein: the both ends cover of level bar (3) is equipped with supplementary installation cover (31), supplementary installation cover (31) are the tip shape cooperation of flexible rubber material and its shape and level bar (3), the tip that supplementary installation cover (31) are close to section of jurisdiction (1) extends and is formed with flexible attaching plate (32), flexible attaching plate (32) and section of jurisdiction (1) surface laminating.

7. The tunnel segment attitude measuring device using the small prism as claimed in claim 1, wherein: the end face of the fixing bolt (42) close to the level (3) is fixedly provided with a first-level rubber pad (43), the inner wall of the mounting base (4) far away from the fixing bolt (42) is provided with a second-level rubber pad (44), and the second-level rubber pad (44) is attached to the level (3).

8. The tunnel segment attitude measuring device using the small prism as claimed in claim 1, wherein: two handles (47) are horizontally arranged on one side surface of the mounting base (4), and a protective pad (471) is adhered to each handle (47).

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