38 results about "Interlocking" patented technology

To specify a housing system comprising at least two openable, enclosed housings (1, 1') for receiving electronic components (7), wherein the housings (1, 1') each have a first connection side (A) with a coupling (12) arranged thereon, the coupling (12) having at least one sealed connector (2), and a second connection side (B) with at least one further connector (3) arranged thereon, wherein a watertight electrical connection can be established between each pair of housings (1, 1') by means of a mechanical connection of the coupling (12) of one housing (1) with the second connection side (B) of the other housing (1') and an interlocking of the connectors (2) of one housing (1) and the further connectors (3) of the other housing (1'), by means of which all necessary electronic components of external devices used on such vehicles, in particular measuring instruments and probes, can be modularly connected,Since the devices are simple, waterproof and robust in their construction and integration, allowing for easy exchange of external devices as well as electronic components or the simple addition of another device, it is proposed that the electrical connection enables the transmission of a power signal (4) and a data signal (5).

The application discloses a replacement joint with bidirectional interlocking, which comprises a joint body, a plurality of protrusions arranged on the jointing end of the joint body, and a plurality of recesses. When two replacement joints are jointed together, the protrusions of the opposite replacement joint are rotated and pushed to the slope, the slope is rotated and moved upward, the protrusions are also rotated and moved upward to the inclined rail, and the locking hook is rotated and moved downward. At this time, the locking hook does not interfere with the circumferential rotation track of the protrusions of the opposite joint, and the two replacement joints can also be twisted and loosened in the circumferential direction. When the valve core is driven to rotate and open by the handle, the driving protrusion is moved upward and rotated into the straight rail through the inclined rail, the locking hook hooks the opposite protrusion to limit the circumferential rotation of the opposite replacement joint, the movable locking buckle is circumferentially engaged with the protrusions of the opposite replacement joint, the circumferential rotation freedom of the replacement joint is effectively limited, and the two replacement joints are prevented from loosening.

The invention provides a multi-machine turnout control method and device suitable for full-electronic interlocking, and is applied to the technical field of train operation control, and the method comprises the steps that individual state information of a plurality of switch machines associated with a target turnout is acquired, and the individual state information comprises at least one of a position state, a locking state and a turnout operation permission state; based on the individual state information of the multiple switch machines, the overall state of the target turnout is determined, and the overall state comprises the turnout position state, the turnout locking state and the turnout operation permission state; according to the overall state of the target turnout, a control command is generated and issued to the multiple switch machines in a time-sharing mode so as to control the action of the target turnout. The method is used for overcoming the defect that in the prior art, a turnout control method can only be applied to a single-machine turnout control scene, and full-electronic interlocking control over multi-machine turnouts is achieved.

The utility model relates to novel straddle type monorail three-section track changing equipment which can meet the requirement for efficient track changing of multi-turnout vehicles in a station yard and save space and comprises a bottom plate, a track and a locking device, the track is located on the bottom plate, a walking trolley is located on the track, and a plurality of turnout beams are located on the walking trolley. One end of the turnout beam is provided with a piled beam and a slewing device, the other end of the turnout beam is provided with a plurality of piled beams, a slewing crank arm mechanism is arranged at the bottom of the turnout beam, rollers on the slewing crank arm mechanism do linear motion in a fixed bottom plate and a guide groove in a track, and the slewing crank arm mechanism is driven by a driving device. The method has the advantages that the problem that the vehicle base space is limited is solved, and the requirement for small-space vehicle base route planning is met; signal receiving and safety feedback requirements are met, and the characteristics of linkage interlocking, flexible action, safety, reliability and the like are achieved; narrow space of a parking lot is fully utilized, the structure is compact, and functions are complete; and fourthly, the part design has good manufacturing manufacturability, and the manufacturing cost is favorably controlled.

Sequence control device (100, 200, 300) for a main signal / distant signal system (220, 320), comprising: - a receiving module (102, 202, 302) configured to receive (401) a first control data set from a first interlocking (222, 322), wherein the first control data set contains at least a first speed data for a defined rail vehicle, - a transmission module (108, 208, 308) configured to transmit (403) the received first control data set to a second interlocking (224, 324) of the main signal / distant signal system (220, 320), - at least one control unit (104, 204, 304) with at least one control module (106, 206, 306), - wherein the receiving module (102, 202, 302) is configured to Receiving (405) a second control data set from the first interlocking (222, 322), wherein the second control data set contains at least a second speed data for the defined rail vehicle,- wherein the control module (106, 206,306) is set up to control (411) the transmission module (108, 208, 308) such that in a first transmission step a stop data record is transmitted to the second interlocking (224, 324), containing at least one stop information date, and that after the expiry of a defined time interval in a second transmission step (413) the second control data record is transmitted to the second interlocking (224, 324).

The application discloses a sizing machine interlocking and fault diagnosis method and system, relates to the sizing machine management technical field, and steps of the method comprise feeding monitoring, glue monitoring, glue pumping monitoring, sizing monitoring, fault prompting, sizing interlocking, the sizing machine is monitored and analyzed through the feeding device, glue, glue pumping and sizing of the sizing machine in the sizing process, the state of the sizing machine in the sizing process is judged, and then according to the state of the sizing machine in the sizing process, fault prompting and interlocking are carried out, the deficiency of manual detection of operators in traditional technologies is solved, the intelligentization and automation of the sizing machine interlocking and fault are realized, the efficiency and effect of sizing machine monitoring are greatly improved, meanwhile, the cost and workload of manual detection are reduced, the reliability and reference of sizing machine monitoring results are improved, the smoothness of sizing machine operation is guaranteed, and therefore the production efficiency of the sizing machine is greatly improved.

This invention discloses an interlocking self-supporting box and its construction method, comprising: a box body; two first mating parts, each disposed on a parallel vertical sidewall of the box body; and two second mating parts, each disposed on a parallel vertical sidewall of the box body. This invention features a simple structure. By alternately arranging two first mating parts and two second mating parts on the four vertical sidewalls of each box body, an alternating complementary structure is formed in the circumferential direction. Without the need for additional inserts or complex locking mechanisms, rapid interlocking between adjacent boxes can be achieved solely through the simple structure of the box body. This avoids the problems of high mold development costs and stringent molding precision requirements caused by complex structures, effectively reduces product scrap rates, and achieves a balance between low cost and efficient interlocking.

The present application relates to the technical field of rail transit safety control, in particular to a five-prevention interlocking safety protection method and system based on multi-source state perception. In view of the problems of easy misidentification of adjacent similar equipment, difficulty in uniquely determining the state change object, and easy misrelease of the subsequent step in the existing five-prevention interlocking, a work section equipment mapping table is first established, then state data before and after the operation of the candidate equipment group is collected, the actual displacement object is determined in combination with the electronic key authorization record and the on-site reading result, the subsequent equipment is determined after consistency verification, and the next step operation permission is released, the state is continuously verified during execution, and the permission is revoked and the interlocking is restored when it fails. The present application is used for the safety control of rail transit power-off, power-on, grounding, climbing and power transmission operations.

The application relates to the technical field of engineering machinery, and discloses an interlocking device and a crane. The interlocking device comprises a first bolt, a second bolt, a first locking assembly, a second locking assembly and a transmission assembly. The first locking assembly has a first locking state of locking the first bolt and a first release state of releasing the first bolt; the second locking assembly has a second locking state of locking the second bolt and a second release state of releasing the second bolt. The transmission assembly connects the first locking assembly and the second locking assembly, and makes the states of the two opposite. When the first bolt is in a connection state, the first locking assembly is allowed to switch to the first locking state; when the second bolt is in the connection state, the second locking assembly is allowed to switch to the second locking state. The application forcibly stipulates the bolt operation sequence through pure mechanical interlocking, effectively prevents components from falling due to mistaken bolt pulling, and has the advantages of reliable structure and no need of external energy.

System (500, 600) for automatically coupling and releasing a second vehicle traveling on a railway network and at least a first vehicle (90a) having a buffer system (92a), the system (500, 600) comprising at least a first hooking group (510, 610) of the first vehicle (90a); a retractable screw body (523, 623); and a horizontal shaft (542, 642); at least a second hooking group of the second vehicle comprising an automatic head comprising a first end element and a second end element configured to be coupled to each other by complementary interlocking. The front structure (518, 618) of the first hooking group (510) comprises: a retractable screw body (523, 623); the first hooking group (510, 610) comprises a tubular cavity (522, 622); and the second hooking group comprises a screw thread.

This application relates to the field of tunnel engineering construction technology, and in particular to a rear bottom plate assembly trolley, including a trolley mechanism. The top of the trolley mechanism is equipped with a quick-release mechanism, and the top of the quick-release mechanism is equipped with a grouting mechanism. This utility model, through the configuration of a positioning platform, rollers, a first limiting block, a second limiting block, and a gantry frame and limiting rod of the quick-release mechanism, achieves rapid installation and stable positioning of the grouting mechanism via a locking relationship. This is achieved through the interlocking of the bottom locking block of the positioning platform with the top locking slot of the gantry frame, the rolling contact between the rollers and the second slide rail locking slot of the grouting mechanism between the limiting blocks, and the locking relationship of the limiting rod being driven by a servo motor to lift and insert into the locking slot. This allows the quick-release mechanism to quickly install and stably limit the grouting mechanism through locking positioning and roller guidance. Thus, this device achieves the effect of convenient disassembly and precise positioning of the grouting mechanism through a modular quick-release structure, significantly improving construction efficiency and reducing manual adjustment time.

The application discloses an interlocking control circuit and a double-tower crane. The interlocking control circuit is applied to the double-tower crane, the double-tower crane comprises a main tower and an auxiliary tower, the interlocking control circuit comprises a main tower control unit arranged on the main tower, an auxiliary tower control unit arranged on the auxiliary tower, and an interlocking switching unit arranged on the main tower and in communication with the main tower control unit and the auxiliary tower control unit, the interlocking switching unit is used for receiving an external input locking signal and sending the locking signal to the main tower control unit and the auxiliary tower control unit, the main tower control unit is used for controlling the main tower to start under the condition that the locking signal indicates a first state, and the auxiliary tower control unit is used for prohibiting the auxiliary tower to start, and the main tower control unit is used for prohibiting the main tower to start under the condition that the locking signal indicates a second state, and the auxiliary tower control unit is used for controlling the auxiliary tower to start. The electrical interlocking of the main tower and the auxiliary tower is realized through the above-mentioned circuit design, and the operation safety of the double-tower crane is improved.

The utility model relates to a switching-on interlocking device of a wind power switch, which comprises a frame, an operation main shaft, an isolation main shaft and a grounding main shaft are arranged on the frame, and the grounding main shaft is connected with the isolation main shaft through a connecting rod; the circuit breaker operating mechanism is arranged at the front end of the frame, the circuit breaker operating mechanism comprises a closing half shaft, and a bending plate is arranged on the closing half shaft; the lower end of the interlocking deflector rod is fixedly connected with the grounding main shaft, and the upper end of the interlocking deflector rod is provided with a first sliding groove; the upper end of the interlocking plate is provided with a second chute and is sleeved on the closing half shaft through the second chute, and the lower end of the interlocking plate is provided with a connecting pin; and the limiting plate is fixedly arranged on the interlocking plate. On the premise that the original switch layout is not changed, only the bending plate, the interlocking plate and the limiting plate are additionally arranged between the closing half shaft and the grounding main shaft, the mechanical interlocking function of the switch is perfected by means of the logic relation of original switch transmission, and the potential safety hazard of switch operation is removed.

The utility model discloses a secondary reverse interlock which comprises a fixed plate fixedly arranged in a switch cabinet, a main shaft is movably arranged in the fixed plate in a penetrating mode, one end of the main shaft is used for facing and abutting against a door plate of the switch cabinet, and one side of the fixed plate is provided with a locking plate in a hinged mode. The locking plate abuts against the other end of the main shaft when rotating to a set position. The interlocking structure that the locking plate and the door plate are arranged on the two sides of the main shaft is adopted, and the locking plate is controlled to lock and unlock the main shaft by driving the action of the driving plate through the action stroke of the aviation plug, so that the actions of the door plate and the handcart are controlled, and the interlocking of the aviation plug and the handcart is realized; it is ensured that the functional handcart can be switched on at the working position only when all the auxiliary loops are switched on, the interlocking structure is simple and easy to install, and the universal adaptability of the interlocking structure is high.

1. Name of the design product: interlocking panel. 2. Use of the design product: the design is one of the components of instrument landing system, which ensures the interlocking of equipment under certain conditions, and guarantees the safety of operation and reliability of the system. 3. Design points of the design product: in shape. 4. Picture or photo that best indicates the design points: perspective view.

The utility model discloses an interlocking device for preventing misoperation of a gas-insulated switchgear, which comprises a three-station interlocking device, a circuit breaker interlocking device and a compartment door plate interlocking device which are mutually combined and used to play a role, and the interlocking function is realized by utilizing the interlocking principle of a mechanical program lock. On the basis of not changing the structure and action principle of the original cabinet body, reliable interlocking and five-prevention required functions can be realized, the structure is simple, the installation and debugging operation is convenient, the interlocking is stable, safe and reliable, manual or electric misoperation is fundamentally limited, personnel are effectively prevented from entering an electrified interval by mistake, and after reliable grounding of the gas-insulated switchgear is completed, the safety of the gas-insulated switchgear is ensured. By means of the technical scheme, it can be guaranteed that personnel safely enter a compartment to maintain and check the gas-insulated switchgear, unlocking logics between the key K1 and the key K2 are reasonably distributed, the keys K1 and K2 are linked with each other, and the logic relation of key unlocking is simplified.

The invention provides a quick self-stabilization dismounting and connecting device for light-weight steel ring splicing equipment, and relates to the field of tunnel engineering, the quick self-stabilization dismounting and connecting device comprises a taper sleeve connected to a first module, an inner conical surface gradually expanding towards a second module is formed on the inner wall of the taper sleeve, the large-diameter end of the inner conical surface is opened, and a through hole is formed in the small-diameter end of the inner conical surface; the inserting head is connected to the second module and comprises an outer cone matched with the inner conical surface and a connecting section connected to the outer cone; the traction mechanism is arranged on the first module and used for pulling the insertion head in the axial direction of the taper sleeve, so that the outer cone is attached to the inner conical surface; and the locking mechanism is arranged on the first module and is used for locking the insertion head. Rapid centering, reliable locking and safe interlocking of the modules are achieved in the tunnel limited space, and the problems that an existing flange bolt is low in connecting and assembling efficiency and insufficient in connecting safety are solved.

The invention discloses a double-contactor module with built-in mechanical interlocking and state feedback, and the module comprises a basic housing which is internally provided with two contactor installation cabins and an interlocking mechanism cavity. The first contactor unit and the second contactor unit are respectively mounted in the contactor mounting cabin, and movable iron cores of the first contactor unit and the second contactor unit extend to the interlocking mechanism cavity and are provided with lock holes; the mechanical interlocking mechanism is contained in the interlocking mechanism cavity and comprises a rotary buckle arm, a rotating shaft, an interlocking sliding block and a bidirectional torsion spring, and the movable iron core drives the interlocking sliding block to drive the rotary buckle arm to rotate; the state feedback system comprises a linear Hall position sensor, a state coding disc, a photoelectric sensor, an intelligent processing unit and a communication interface, data fusion and trend analysis are carried out through the intelligent processing unit, and fault early warning and maintenance are achieved. The problems that an existing interlocking mechanism is bloated in external arrangement, complex in installation, poor in reliability, single in state feedback and the like are solved, and the interlocking mechanism has the advantages of being compact in structure, reliable in interlocking, intelligent in diagnosis and the like.

The present application relates to a kind of based on full electronic interlocking shunting midway turn-back route control method and device, the method comprises: detecting the shunting route being in operation whether there is associated with shunting route turn-back signal machine;If there is, it is judged whether the turn-back signal machine is in open state;If in open state, it is judged whether the route with turn-back signal machine as start signal machine is the turn-back route of shunting route;If yes, then associate shunting route with turn-back route;Detect whether the first section in turn-back route is occupied and the approach section of turn-back route is clear;If yes, then the section that cannot be unlocked due to midway turn-back is unlocked.By the present application, the mode of 6502 circuit is replaced, which is used for shunting turn-back operation in the prior art, the safety and efficiency problem caused by the limitation of circuit judgment is solved, and the effect of improving the efficiency and safety of shunting turn-back operation is achieved.

The invention belongs to the technical field of interlocking control, and provides an interlocking control method for power tongs and a power elevator, and the method comprises the steps: extracting a historical window period of interlocking control during state switching, and constructing a window period database through working condition risk identification; performing matching analysis on the current working condition data and all historical working condition data in the window period database on the basis of the window period database, and judging whether the current working condition exists in the window period database or not; if yes, all historical window periods corresponding to the current working condition are extracted, window period abnormity judgment is carried out, and a historical analysis time period is determined; safety risks such as pipe column out-of-control and equipment misoperation in the state switching process of the power tongs and the power elevator are remarkably reduced, meanwhile, the operation efficiency and safety redundancy are balanced, upgrading from passive interlocking to active intelligent interlocking is achieved, and the safety of pipe column operation in drilling operation is improved.

Grating, consisting of interconnected longitudinal bars (1) and infill bars (2) and frame elements (3a, 3b) enclosing this assembly, characterized in that the grating is designed such that a connection between the prefabricated assembly of longitudinal bars (1) and infill bars (2) and the frame elements (3a, 3b) is based on the principle of a positive interlocking.

This invention relates to an interlocking device for gas-insulated switchgear, comprising a three-position switch mechanism and a closing lever; characterized in that it includes an interlocking structure disposed between the three-position switch mechanism and the closing lever, thereby controlling the movement restrictions of the closing lever and the three-position switch mechanism; it can effectively solve the problem of simultaneous mechanical interlocking of parallel dual three-position switch mechanisms and circuit breaker mechanisms, and the interlocking functions do not affect each other; this invention has good scalability and can be applied to mechanical interlocking of single or three three-position switch mechanisms and circuit breaker mechanisms; it adopts a line-to-surface contact connection between the drive end and the three-position switch mechanism side through the pressure of the return spring, and a non-contact assembly with the circuit breaker side; it effectively avoids the impact force problem during the rapid movement of the circuit breaker, greatly improving the reliability of the interlocking device.

A system for automatic coupling and release of at least a first vehicle having a cushioning system and of a second vehicle travelling on the railway network, at least a first hooking group of the first vehicle; a retractable screw body; and a horizontal shaft. At least a second hooking group of the second vehicle, includes an automatic head including a first and a second terminal element configured to be coupled to each other with complementary interlocking. The frontal structure of the first hooking group includes the retractable screw body, the first hooking group includes a tubular cavity; and the second hooking group comprises a thread.

This utility model discloses an interlocking protection structure for a metering box, characterized by: a bracket installed inside the metering box and located on the side or between the main circuit breaker and the standby circuit breaker, arranged side by side; a guide rail base plate connected to the top of the bracket and located on the main circuit breaker and the standby circuit breaker; and an interlocking device slidably connected to the guide rail base plate for limiting the switching of the circuit breakers; the guide rail base plate is provided with a sliding groove for the interlocking device to slide; this utility model moves a push rod on the interlocking device, which drives a slider to slide in the sliding groove on the guide rail base plate, and drives a limit block to move. When the limit block moves to the corresponding position where the main circuit breaker or the standby circuit breaker is tripped, effective interlocking of the main circuit breaker and the standby circuit breaker is achieved, preventing both from closing simultaneously, fundamentally eliminating the safety hazards caused by simultaneous circuit breaker closing, and ensuring the safe and stable operation of the power system.

The invention provides a five-prevention mechanical interlocking structure and a ring main unit. The five-prevention mechanical interlocking structure comprises a three-station interlocking plate, a circuit breaker interlocking plate, a cable chamber door interlocking plate and a three-station indication plate, the plane where the length and the width of the three-station interlocking plate are located is perpendicular to the horizontal plane, the circuit breaker interlocking plate is arranged on one side of the three-station interlocking plate in the thickness direction, the cable chamber door interlocking plate is arranged on one side of the three-station interlocking plate in the thickness direction, and the three-station indication plate is arranged on one side of the three-station interlocking plate in the thickness direction. The three-station interlocking plate, the circuit breaker interlocking plate and the cable chamber door interlocking plate can move up and down, and the three-station indication plate can rotate in a vertical plane. According to the invention, the three stations, the circuit breaker, the cable chamber door interlocking plate and the indication board are integrated, and the matching form of vertical arrangement, up-and-down movement and vertical rotation is adopted, so that the types of parts and the assembly process are simplified.

The invention relates to the technical field of double-pulse test platforms, and particularly discloses a double-pulse test platform, which comprises a transparent protection box, a moving groove, a first sliding groove, a second sliding groove, a clamping groove, a telescopic groove and a triggering mechanism, and is characterized in that the left side of the top end of the transparent protection box is provided with the moving groove communicated with an inner cavity of the transparent protection box; a first sliding groove is formed in the front end of the left side of an inner cavity of the transparent protection box in the vertical direction, second sliding grooves are formed in the left side and the right side of the transparent protection box in the vertical direction, and clamping grooves are formed in the upper end and the lower end of the inner side of an inner cavity of each second sliding groove. The trigger mechanism is arranged on the left side of the cavity of the transparent protection box. According to the device, the risk of high-voltage electric shock caused by human negligence or misoperation is eliminated, the operation efficiency and safety are remarkably improved through automatic discharging and safety interlocking, and a reliable, visual and intrinsically safe solution is provided for double-pulse testing.

The invention discloses an interlocking structure between a three-position isolating switch and a sulfur hexafluoride circuit breaker for a gas insulated metal-enclosed switchgear, which is characterized by comprising a sulfur hexafluoride circuit breaker mechanism input structure arranged at the end part of a sulfur hexafluoride circuit breaker body, the three-station isolating switch mechanism output structure is connected with the side part of the three-station isolating switch body through a first fixed transmission structure, a transmission connection structure and a second fixed transmission structure; and the other end of the upper interlocking rod connecting bent plate of the second fixed transmission structure is connected with an upper interlocking rod of the output structure of the three-station isolating switch mechanism, and interlocking locking or interlocking unlocking of the three-station isolating switch is controlled by connecting the upper interlocking rod with a rotating shaft of the rotating plate. Through the exquisite mechanical interlocking design, misoperation of the isolating switch is fundamentally eradicated, and the operation safety and reliability of the gas-insulated metal-enclosed switchgear are greatly improved.

The invention relates to the technical field of urban rail transit, and discloses a turnout disconnection monitoring method for an electronic interlocking project, which comprises the following steps: an electronic interlocking turnout execution unit is matched with an intelligent operation and maintenance monitoring extension set, and a turnout indication voltage acquisition module is arranged on a branching cabinet; the turnout indication voltage acquisition module is in a standby state when no turnout disconnection fault exists, and voltage acquisition is not carried out. According to the turnout disconnection monitoring method for the electronic interlocking project, intelligent linkage and logic judgment are carried out on the fault code of the electronic interlocking and the voltage analog quantity collected at the branching cabinet, whether the disconnection fault occurs indoors or outdoors is successfully distinguished, and a specific fault wire core can be indicated. According to the method, the problem that fault positioning is fuzzy in a traditional method and an existing electronic interlocking monitoring method is fundamentally solved, operation and maintenance personnel can straightly strike a fault point, the troubleshooting and repairing time is greatly shortened, and the influence on subway operation is reduced to the maximum extent.

The application relates to the technical field of double-pulse test platforms, and particularly discloses a double-pulse test platform which comprises a transparent protective box, a moving groove, a first sliding groove, a second sliding groove, a clamping groove, an expansion groove and a triggering mechanism, a moving groove in communication with the inner cavity of the transparent protective box is formed at the top left side of the transparent protective box, a first sliding groove is formed in the inner cavity of the transparent protective box at the left side of the front end along the up-down direction, second sliding grooves are formed in the left and right sides of the transparent protective box along the up-down direction, clamping grooves are formed in the inner cavity of the second sliding groove at the upper and lower ends of the inner side, an expansion groove is formed in the inner cavity of the transparent protective box at the middle of the rear side, and the triggering mechanism is arranged at the left side of the inner cavity of the transparent protective box. The device not only eliminates the risk of high-voltage electric shock caused by human negligence or operation failure, but also significantly improves the operation efficiency and safety through automatic discharge and safety interlocking, and provides a reliable, intuitive and intrinsically safe solution for double-pulse tests.

The application provides a quick self-stabilizing dismounting and connecting device for light-weight steel ring splicing equipment, relates to the field of tunnel engineering, and comprises a taper sleeve connected to a first module, the inner wall of the taper sleeve forms an inner taper surface gradually expanding towards a second module, the large-diameter end of the inner taper surface is provided with an opening, and the small-diameter end is provided with a through hole; an insertion head connected to the second module comprises an outer taper body matched with the inner taper surface and a connecting section connected to the outer taper body; a pulling mechanism arranged on the first module is used for axially pulling the insertion head along the taper sleeve so that the outer taper body is attached to the inner taper surface; and a locking mechanism arranged on the first module is used for locking the insertion head. The application realizes quick centering, reliable locking and safe interlocking of the modules in a limited space of a tunnel, and solves the problems of low assembly efficiency and insufficient connection safety of the existing flange bolt connection.