Shield tunnel segment inter-ring pressure measuring device
By introducing an adjustment mechanism and a pressure sensor into the pressure measurement device between tunnel segments, the problem of adapting existing devices to tunnel segments of different diameters has been solved, achieving flexible adaptation and efficient data measurement, reducing construction costs and improving practicality.
Patent Information
- Application Number
- CN202520252420.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-17
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-02-17
AI Technical Summary
Existing pressure measurement devices between tunnel segment rings are difficult to adjust flexibly to accommodate tunnel segment rings of different diameters, which increases construction costs and has limited practicality.
A pressure measuring device for inter-ring segments of a shield tunnel was designed, comprising a ring plate, a measuring mechanism, and an adjusting mechanism. Through a sliding groove and slider structure, combined with a screw driven by a DC motor and a connecting ring, the position of the measuring ring can be adjusted to accommodate tunnel segment rings of different diameters. It is also equipped with a pressure sensor and an integrated box for data processing.
It enables flexible adaptation to tunnel segment rings of different diameters, reducing construction costs, while also allowing for accurate measurement and rapid analysis of pressure data from the tunnel segment rings, thus improving practicality and measurement efficiency.
Smart Images

Figure CN223581241U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to tunnel engineering measurement technical field, concretely is a kind of shield tunnel segment ring inter pressure measuring device. BACKGROUND
[0002] Shield machine, full name is shield tunnel boring machine, is a kind of tunnel boring special engineering machinery, it is integrated with tunneling, slagging, transportation, support, is the most advanced equipment of current underground space construction, and shield segment is the main assembly component of shield construction, is the innermost layer barrier of tunnel, resists the action of earth pressure, underground water pressure and some special load.
[0003] Referring to the patent application disclosed in a kind of shield tunnel segment ring inter pressure measuring device of authorized announcement No.CN221350356U, the reset part includes installation pipe, movable pressure rod and reset spring, several installation pipes are arranged on the outer wall of measuring frame, several installation pipes are arranged in circumferential array, several movable pressure rods are one-to-one corresponding movable cooperation with several installation pipes, the reset spring is sleeved on installation pipe, one end of the reset spring is connected on the outer wall of measuring frame, the other end of the reset spring is connected on the inner wall of measuring ring;Each installation pipe is internally provided with pressure sensor, and each pressure sensor is adapted to one movable pressure rod.The utility model can accurately measure the stress of each direction of measuring ring, improve the accuracy of measurement, positioning is more accurate, improve measurement efficiency.
[0004] However, the above technology is to measure the stress of each direction of tunnel segment ring by measuring ring, and the diameters of tunnels are different, and the existing device is often designed with fixed size, which is difficult to flexibly adjust to adapt to tunnel segment rings of different diameters, so that construction personnel may need to prepare a plurality of different specifications of measuring devices when facing tunnels of different sizes, thereby increasing construction cost and generally practical. UTILITY MODEL CONTENT
[0005] In view of the deficiencies of the prior art, the utility model provides a kind of shield tunnel segment ring inter pressure measuring device, solve the problem that the existing shield tunnel segment ring inter pressure measuring device is difficult to flexibly adjust to adapt to tunnel segment rings of different diameters, increase construction cost, and generally practical.
[0006] To achieve the above object, the utility model is realized by the following technical scheme: a kind of shield tunnel segment ring inter pressure measuring device, including ring plate, further comprising:
[0007] measuring mechanism, is set in the outside of ring plate for measuring the pressure between tunnel segment ring, the measuring mechanism includes the plurality of grooves of being opened in the front side of ring plate, the inside of plurality of grooves is slidably installed with sliding block;
[0008] The adjusting mechanism is arranged on the front side of the ring plate for adjusting the measuring mechanism to adapt to the diameter of the tunnel segment ring, and comprises a mounting frame fixedly arranged on the inner side of the ring plate, a limiting cylinder fixedly arranged on the front side of the mounting frame, a connecting ring movably arranged in the limiting cylinder, a connecting rod movably hinged on the front side of the sliding block for adjusting the position of the sliding block, and a driving assembly arranged in the limiting cylinder for driving the connecting ring to move to adjust the position of the sliding block.
[0009] Preferably, the driving assembly comprises a screw movably arranged in the limiting cylinder for adjusting the position of the connecting ring, a DC motor fixedly arranged on the front side of the limiting cylinder, a plurality of limiting grooves formed on the outer side of the limiting cylinder, and a front end of the connecting rod movably penetrating the plurality of limiting grooves and movably hinged on the outer side of the connecting ring.
[0010] Preferably, an output end of the DC motor movably penetrates the front side of the limiting cylinder and is fixedly arranged on the front end of the screw, and a rear end of the screw threadedly penetrates the front side of the connecting ring and is movably arranged on the front side of the mounting frame.
[0011] Preferably, the measuring mechanism further comprises a fixed frame fixedly arranged on the rear end of the inner side of the ring plate, a fixed cylinder fixedly arranged on the side of the sliding block away from the fixed frame, a pressure sensor fixedly arranged in the inner cavity of the fixed cylinder on the side close to the sliding block for measuring the pressure of the tunnel segment ring, an integrated box fixedly arranged on the front side of the fixed frame for collecting data collected by the pressure sensor, a fixed rod movably arranged on the side of the fixed cylinder away from the sliding block, a measuring ring fixedly arranged on the side of the fixed rod away from the fixed cylinder, a limiting ring fixedly arranged on the outer side of the fixed rod, a spring fixedly arranged on the side of the limiting ring close to the fixed cylinder for driving the fixed rod to reset, an output end of the pressure sensor electrically connected with a cable line for transmitting pressure data, a protective sleeve fixedly arranged on the side of the sliding block away from the fixed cylinder for protecting the cable line, and a protective cylinder fixedly arranged on the inner side of the ring plate for storing the cable line.
[0012] Preferably, the fixed rod movably penetrates one side of the fixed cylinder on the side away from the measuring ring and extends into the inner side of the fixed cylinder, the fixed rod movably penetrates the inner sides of a plurality of sliding grooves on the side away from the fixed cylinder and is fixedly arranged on one side of the measuring ring, and the spring is fixedly arranged on one side of the fixed cylinder on the side away from the limiting ring.
[0013] Preferably, the protective sleeve penetrates one side of the sliding block on the side away from the protective cylinder and is fixedly arranged on one side of the fixed cylinder, the protective sleeve movably penetrates the inner sides of a plurality of sliding grooves on the side away from the sliding block and extends into the inner sides of a plurality of protective cylinders, and one end of the cable line movably penetrates the inner sides of the fixed cylinder, the sliding block, the plurality of sliding grooves and the plurality of protective cylinders and is electrically connected with the input end of the mounting frame.
[0014] The utility model provides a kind of shield tunnel segment ring pressure measuring device.Compared with prior art, it has the following beneficial effects:
[0015] 1, the shield tunnel segment ring pressure measuring device, the position of the measuring ring piece is conveniently adjusted by the connecting rod and the connecting ring, the connecting ring is driven to move backward by the screw rod rotation driven by the direct current motor when starting, then the connecting ring will drive the connecting rod to push the slider to move the measuring ring piece to be closely attached to the inner side of the measuring tunnel segment ring, to adapt to the measuring tunnel segment ring of different diameters, reduce construction cost, and good practicability.
[0016] 2, the shield tunnel segment ring pressure measuring device, the pressure of the tunnel segment ring piece can be measured by the measuring ring piece and the pressure sensor, the measuring ring piece is closely attached to the inner side of the tunnel segment ring piece by the adjusting mechanism when using, when the tunnel segment ring piece deforms, it will extrude the measuring ring piece, then the measuring ring piece will drive the fixed rod to extrude the pressure sensor to detect the deformation degree, at this time, the pressure data detected by the pressure sensor will be transmitted to the integrated box through the cable pipeline for collection, and then subsequent information processing and analysis can be carried out, convenient and fast, and good practicability. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the three-dimensional appearance schematic diagram of the utility model;
[0018] Figure 2 It is the front view cross section three-dimensional appearance schematic diagram of the utility model;
[0019] Figure 3 It is the Figure 2 It is the enlarged three-dimensional appearance schematic diagram of the utility model;
[0020] Figure 4 It is the top view cross section three-dimensional appearance schematic diagram of the utility model.
[0021] In the drawing: 1-ring plate, 2-measuring mechanism, 21-measuring ring piece, 22-sliding slot, 23-fixed rod, 24-protection cylinder, 25-fixing frame, 26-protection sleeve, 27-cable pipeline, 28-integrated box, 29-limiting ring, 210-spring, 211-fixed cylinder, 212-pressure sensor, 213-slider, 3-adjusting mechanism, 31-connecting rod, 32-mounting frame, 33-limiting groove, 34-limiting cylinder, 35-connecting ring, 36-direct current motor, 37-screw rod. DETAILED DESCRIPTION
[0022] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments only are a part of embodiments of the utility model, and not all embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the range of protection of the utility model.
[0023] With reference to Figures 1-4 The utility model provides two technical schemes:
[0024] The first implementation: a shield tunnel segment ring pressure measuring device, including ring plate 1, still include:
[0025] Measuring mechanism 2 are set up in the outside of ring plate 1 for measuring the pressure between tunnel segment ring, measuring mechanism 2 includes the several chute 22 of being opened in the front side of ring plate 1, and the several chute 22 is evenly distributed in the front side of ring plate 1 in circumference, the section of several chute 22 is all concave, and the inside of several chute 22 is slidably installed with sliding block 213;
[0026] Adjusting mechanism 3 are set up in the front side of ring plate 1 for adjusting measuring mechanism 2 to adapt to the diameter of measuring tunnel segment ring, adjusting mechanism 3 include the mounting bracket 32 of being fixedly installed in the inside of ring plate 1, the front side of mounting bracket 32 is fixedly installed with the limit cylinder 34, the inside of limit cylinder 34 is movably installed with connecting ring 35, the front side of sliding block 213 is movably hinged with the connecting rod 31 for adjusting the position of sliding block 213, the inside of limit cylinder 34 is provided with drive assembly for moving connecting ring 35 and adjusting the position of sliding block 213, drive assembly includes the screw rod 37 of being movably installed in the inside of limit cylinder 34 for adjusting the position of connecting ring 35, the front side of limit cylinder 34 is fixedly installed with DC motor 36, the outside of limit cylinder 34 is opened with several limit slots 33, and the several limit slots 33 are evenly distributed in the outside of limit cylinder 34 in circumference, the front end of connecting rod 31 is movably penetrated through the inside of several limit slots 33 and is movably hinged on the outside of connecting ring 35, the output end of DC motor 36 is movably penetrated through the front side of limit cylinder 34 and is fixedly installed on the front end of screw rod 37, the rear end of screw rod 37 is screwed through the front side of connecting ring 35 and is movably installed on the front side of mounting bracket 32, and starting DC motor 36 can drive screw rod 37 to rotate and drive connecting ring 35 to move back, then connecting ring 35 will drive connecting rod 31 to push sliding block 213 to adapt to the measuring tunnel segment ring of different diameters.
[0027] The position of the measuring ring piece 21 is adjusted by the connecting rod 31 and the connecting ring 35, and the DC motor 36 is started to drive the screw rod 37 to rotate and drive the connecting ring 35 to move backward, and then the connecting ring 35 drives the connecting rod 31 to push the sliding block 213 to move the measuring ring piece 21 to closely adhere to the inner side of the measuring tunnel pipe piece ring, so as to adapt to measuring tunnel pipe piece rings of different diameters, thereby reducing the construction cost and being good in practicability.
[0028] The second embodiment is mainly different from the first embodiment in that the measuring mechanism 2 further comprises a fixed frame 25 fixedly installed at the rear end of the inner side of the ring plate 1, the sliding block 213 is fixedly installed with a fixed cylinder 211 away from the side of the fixed frame 25, the inner cavity of the fixed cylinder 211 is fixedly installed with a pressure sensor 212 for measuring the pressure of the tunnel pipe ring piece close to the sliding block 213, and the model of the pressure sensor 212 is not specifically required, as long as it can detect the pressure received by the fixed rod 23, the front side of the fixed frame 25 is fixedly installed with an integrated box 28 for collecting the data collected by the pressure sensor 212, so as to facilitate subsequent information processing and analysis, the fixed rod 23 is movably installed away from the fixed cylinder 211, the fixed rod 23 is fixedly installed with the measuring ring piece 21 away from the side of the fixed cylinder 211, the outer side of the fixed rod 23 is fixedly installed with a limiting ring 29, the limiting ring 29 is fixedly installed with a spring 210 for driving the fixed rod 23 to reset close to the side of the fixed cylinder 211, the output end of the pressure sensor 212 is electrically connected with a cable line 27 for transmitting pressure data, and the middle part of the cable line 27 is spirally placed in the interior of the protection cylinders 24, the sliding block 213 is fixedly installed with a protective sleeve 26 for protecting the cable line 27 away from the side of the fixed cylinder 211, the inner side of the ring plate 1 is fixedly installed with the protection cylinders 24 for storing the cable line 27, the fixed rod 23 movably penetrates through one side of the fixed cylinder 211 away from the end of the measuring ring piece 21 and extends to the interior of the fixed cylinder 211, the fixed rod 23 movably penetrates through the interiors of the sliding grooves 22 away from the end of the fixed cylinder 211 and is fixedly installed on one side of the measuring ring piece 21, the spring 210 is fixedly installed on one side of the fixed cylinder 211 away from the end of the limiting ring 29, and the spring force of the spring 210 can drive the fixed rod 23 through the limiting ring 29 to reset the measuring ring piece 21, the protective sleeve 26 penetrates through one side of the sliding block 213 away from the end of the protection cylinder 24 and is fixedly installed on one side of the fixed cylinder 211, the protective sleeve 26 movably penetrates through the interiors of the sliding grooves 22 away from the end of the sliding block 213 and extends to the interiors of the protection cylinders 24, one end of the cable line 27 movably penetrates through the interiors of the fixed cylinder 211, the sliding block 213, the sliding grooves 22 and the protection cylinders 24 and is electrically connected with the input end of the mounting frame 32, and the pressure data detected by the pressure sensor 212 is transmitted to the integrated box 28 through the cable line 27 for collection.
[0029] The pressure of the tunnel pipe ring can be measured by the measuring ring 21 and the pressure sensor 212, and when the tunnel pipe ring deforms, the measuring ring 21 is pressed, and then the fixed rod 23 is pressed to detect the deformation degree of the pressure sensor 212, at this time, the pressure data detected by the pressure sensor 212 is transmitted to the integrated box 28 through the cable pipeline 27 for collection, and then subsequent information processing and analysis can be carried out, which is convenient, fast and practical.
[0030] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art, and the model parameters of various appliances are not specifically limited, and conventional equipment can be used.
[0031] In use, the user starts the DC motor 36 to drive the screw rod 37 to rotate and drive the connecting ring 35 to move backward, and then the connecting ring 35 drives the connecting rod 31 to push the sliding block 213 to move the measuring ring 21 to tightly adhere to the inner side of the measuring tunnel pipe ring, when the tunnel pipe ring deforms, the measuring ring 21 is pressed, and then the fixed rod 23 is pressed to detect the deformation degree of the pressure sensor 212, at this time, the pressure data detected by the pressure sensor 212 is transmitted to the integrated box 28 through the cable pipeline 27 for collection, and then subsequent information processing and analysis can be carried out.
[0032] It should be noted that in this document, the relative terms such as first and second are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the term "comprises" or "includes" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process-method-article or device including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process-method-article or device.
[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes-modifications-replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A shield tunnel segment ring inter-pressure measuring device, comprising a ring plate (1), characterized in that: Also include: The measuring mechanism (2) is arranged on the outside of the ring plate (1) for measuring the pressure between the tunnel segment rings, the measuring mechanism (2) comprises a plurality of chute (22) opened on the front side of the ring plate (1), a plurality of the inside of the chute (22) is slidably installed with a sliding block (213); Adjusting mechanism (3) is arranged on the front side of the ring plate (1) for adjusting the measuring mechanism (2) to adapt to the diameter of the tunnel segment ring, the adjusting mechanism (3) comprises a mounting frame (32) fixedly installed on the inner side of the ring plate (1), the front side of the mounting frame (32) is fixedly installed with a limit cylinder (34), the inside of the limit cylinder (34) is movably installed with a connecting ring (35), the front side of the sliding block (213) is movably hinged with a connecting rod (31) for adjusting the position of the sliding block (213), the inside of the limit cylinder (34) is provided with a driving assembly for moving the connecting ring (35) to adjust the position of the sliding block (213).
2. The shield tunnel segment inter- ring pressure measuring device according to claim 1, characterized in that: The driving assembly comprises a screw rod (37) movably installed in the limit cylinder (34) for adjusting the position of the connecting ring (35), the front side of the limit cylinder (34) is fixedly installed with a DC motor (36), the outer side of the limit cylinder (34) is provided with a plurality of limiting grooves (33), the front end of the connecting rod (31) is movably penetrated through the inside of a plurality of limiting grooves (33) and movably hinged on the outer side of the connecting ring (35).
3. The shield tunnel segment inter- ring pressure measuring device according to claim 2, characterized in that: The output end of the DC motor (36) is movably penetrated through the front side of the limit cylinder (34) and fixedly installed on the front end of the screw rod (37), the rear end of the screw rod (37) is threaded through the front side of the connecting ring (35) and movably installed on the front side of the mounting frame (32).
4. The shield tunnel segment inter- ring pressure measuring device according to claim 1, characterized in that: The measuring mechanism (2) further comprises a fixed frame (25) fixedly installed on the inner side of the ring plate (1) rear end, the fixed cylinder (211) is fixedly installed on the side away from the fixed frame (25) of the sliding block (213), the pressure sensor (212) for measuring the pressure of the tunnel segment ring is fixedly installed in the inner cavity of the fixed cylinder (211) close to the side of the sliding block (213), the front side of the fixed frame (25) is fixedly installed with an integrated box (28) for collecting the data collected by the pressure sensor (212), which is convenient for subsequent information processing and analysis, the fixed rod (23) is movably installed on the side away from the fixed cylinder (211) of the fixed rod (23), the measuring ring (21) is fixedly installed on the side away from the fixed cylinder (211) of the fixed rod (23), the limiting ring (29) is fixedly installed on the outer side of the fixed rod (23), the spring (210) for driving the fixed rod (23) to reset is fixedly installed on the side close to the fixed cylinder (211) of the limiting ring (29), the output end of the pressure sensor (212) is electrically connected with the cable pipeline (27) for transmitting pressure data, the sliding block (213) is fixedly installed on the side away from the fixed cylinder (211) with a protective sleeve (26) for protecting the cable pipeline (27), the inner side of the ring plate (1) is fixedly installed with a protective cylinder (24) for storing the cable pipeline (27).
5. The shield tunnel segment inter- ring pressure measuring device according to claim 4, characterized in that: The fixed rod (23) is movably penetrated through one side of the fixed cylinder (211) and extends to the inside of the fixed cylinder (211) away from the measuring ring piece (21), movably penetrates through the inside of the plurality of sliding grooves (22) away from one side of the fixed cylinder (211) and is fixedly installed on one side of the measuring ring piece (21), and the spring (210) is fixedly installed on one side of the fixed cylinder (211) away from the limiting ring (29).
6. The shield tunnel segment inter- ring pressure measuring device according to claim 4, characterized in that: The protective sleeve (26) is movably penetrated through one side of the sliding block (213) away from one side of the fixed cylinder (211) and is fixedly installed on one side of the fixed cylinder (211), movably penetrates through the inside of the plurality of sliding grooves (22) away from one side of the sliding block (213) and extends to the inside of the plurality of protective cylinders (24), one end of the cable pipeline (27) movably penetrates through the inside of the fixed cylinder (211), the sliding block (213), the plurality of sliding grooves (22) and the plurality of protective cylinders (24) and is electrically connected with the input end of the mounting frame (32).
Citation Information
Patent Citations
Shield tunnel segment inter-ring pressure measuring device
CN221350356U