Ramp shield segment assembling auxiliary device
By combining support components, guide components, and auxiliary support components, the problems of swaying and drive shaft breakage during the assembly of tunnel segments were solved, achieving stable support and efficient angle adjustment of tunnel segments, and improving the accuracy and efficiency of assembly.
Patent Information
- Application Number
- CN202520256885.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The lack of effective support mechanisms in the existing shield tunnel segment assembly process causes the shield tunnel segments to sway during assembly, affecting the accuracy and efficiency of installation. In addition, the existing roller drum is prone to drive shaft breakage when adjusting the angle.
The structure adopts a combination of support components, guide components, and auxiliary support components, including support guide rollers, guide wheels, and auxiliary support rollers. Friction is reduced by ball bearings and guide wheels, and the support guide rollers are driven to rotate by a motor. With the help of limit sliders and telescopic cylinders, stable support and angle adjustment of the tunnel segments are achieved.
This ensured the stability and reliability of the tunnel lining segments during assembly, prevented drive shaft breakage, and improved assembly efficiency and operational reliability of the equipment.
Smart Images

Figure CN223724616U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to shield segment assembly technical field, concretely is a ramp shield segment assembly auxiliary device. BACKGROUND
[0002] Shield segment is very important material in tunnel engineering, can effectively prevent mud and so on collapse and leakage, guarantee the safe environment of construction, and the quality of later period, when shield segment is installed, usually will use the cooperation of shield machine and assembling machine to carry out excavation and transportation, convenient for assembling and installation, with the development of BIM assembly type building material, shield segment also appears prefabricated form, first assembles through assembly platform, then carries out next installation work. But the assembly platform lacks good support environment in the assembling process, makes shield segment shake when assembling, thereby influence installation accuracy, reduce installation quality and efficiency.
[0003] The utility model of a kind of shield segment vertical assembling quick auxiliary platform is disclosed in the authorized announcement No.CN218716861U, it includes: assembly platform, the outer wall of the assembly platform one side is fixed with support plate;The inside of the assembly platform is embedded with first motor, and the power output end of first motor is connected with driving shaft, the outer wall of the rotating block is fixed with link block, and the one end of link block is connected with guide rail, the inner wall of the assembly platform one side is installed with second motor, and the other side of the outer wall of assembly platform is provided with through slot, the outside of screw rod is equipped with sliding block, and the one end of sliding block is connected with limit plate.
[0004] As shown in the above utility model, the existing shield segment vertical assembling quick auxiliary platform is welded with support plate on assembly platform, and the shield segment is installed by the staff through the circular support plate, when a part is installed vertically, the driving shaft is driven to rotate by the first motor, so as to drive the rotating block to rotate by the rolling cylinder, so as to adjust the position of the shield segment to be installed, which can maintain the stability of the shield segment during assembly to a certain extent. However, due to the large weight of the shield segment, and the existing auxiliary platform does not have an auxiliary support mechanism, it cannot share the weight of the shield segment during assembly. The existing rolling cylinder is prone to transmission shaft fracture when adjusting the assembly angle of the shield segment. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides a ramp shield segment assembly auxiliary device to solve the above problems.
[0006] To achieve the above purpose, the utility model realizes the following technical scheme: a ramp shield segment assembly auxiliary device, comprising:
[0007] An assembling table is provided with a driving mechanism for moving the shield segment to a suitable installation angle and position;
[0008] A support is arranged at the middle of the front surface of the assembling table for supporting the driving mechanism on the assembling table so that the driving mechanism can stably support the shield segment;
[0009] A guide is arranged above the support for assisting the driving mechanism in limiting the shield segment to be stably installed;
[0010] An auxiliary support is arranged at both sides of the front surface of the assembling table for assisting the shield segment to be stably installed.
[0011] Preferably, the driving mechanism on the assembling table comprises a motor fixed at the middle of the back surface of the assembling table, and a support guide roller is fixed to the output shaft of the motor and located at the middle of the front surface of the assembling table for supporting and guiding the shield segment.
[0012] Preferably, the support comprises a support block arranged below the support guide roller, and the support block is fixed to the front surface of the assembling table, the lower surface of the support block is fixed to the assembling table through a plurality of equally spaced reinforcing plates for improving the compressive strength of the support block, a plurality of equally spaced ball grooves are arranged at the middle of the upper surface of the support block, and balls are arranged in the ball grooves, recesses are arranged at both sides of the upper surface of the support block, and guide wheels are arranged in the recesses, the guide wheels and the balls are used for supporting the support guide roller and reducing the friction between the support guide roller and the support block, and the support guide roller can drive the shield segment to change the angle during assembly.
[0013] Preferably, the guide comprises a mounting frame arranged above the support guide roller, a reinforcing block is fixed to the mounting frame for improving the compressive strength of the mounting frame, a guide wheel is movably connected to the mounting frame through a pin shaft, the guide wheel corresponds to the upper surface of the shield segment, a limiting sliding block is fixed to one side of the mounting frame, a limiting sliding groove is arranged at the upper end of the front surface of the assembling table, the limiting sliding block is located in the limiting sliding groove for vertically moving the mounting frame up and down, and the top end of the limiting sliding block is connected to the limiting sliding groove through a first spring for moving the guide wheel downward to contact the shield segment.
[0014] Preferably, the auxiliary support member comprises movable frames arranged on both sides of the front face of the assembly table, auxiliary support rollers are movably connected to the movable frames through pins, the auxiliary support rollers correspond to the two ends of the shield segment, a dovetail sliding block is fixed to one side of the movable frame, dovetail sliding grooves are formed in both sides of the front face of the assembly table, the dovetail sliding block is located in the dovetail sliding groove and used for driving the movable frame to move vertically up and down, and a fixing sleeve is fixed to the bottom end of the movable frame and in which a pressure sensor is embedded.
[0015] Preferably, the auxiliary support member further comprises a telescopic air cylinder arranged below the movable frame, the telescopic air cylinder is fixed to the assembly table, the output shaft of the telescopic air cylinder is inserted into the fixing sleeve, and the output shaft of the telescopic air cylinder is connected with the pressure sensor through a second spring, the second spring is located in the fixing sleeve and used for buffering and protecting the pressure sensor.
[0016] Beneficial effects
[0017] The utility model provides a ramp shield segment assembly auxiliary device, has the following beneficial effects compared with the prior art:
[0018] 1. The ramp shield segment assembly auxiliary device, the support block in the support member supports the support guide roller through the ball and the guide roller, and the support guide roller stably supports the shield segment; the guide wheel on the mounting frame in the guide member contacts the upper surface of the shield segment to limit the position; the auxiliary support roller of the auxiliary support member provides auxiliary support at the two ends of the shield segment, shares the weight, and enables the shield segment to remain stable during assembly, thereby avoiding assembly problems caused by unstable support.
[0019] 2. The ramp shield segment assembly auxiliary device avoids the breakage of the transmission shaft caused by the large mass of the shield segment and the adjustment of the angle by the rolling cylinder only in the prior art, and the support guide roller is driven to rotate by the motor during assembly, the shield segment is driven to change the assembly angle by the support guide roller, the support structures cooperate with each other to make the whole process stable and reliable, and the working efficiency of the device is improved. ACCURACY OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the utility model;
[0021] Figure 2 It is a whole structure back surface schematic view of the utility model;
[0022] Figure 3 It is a support member structure schematic view of the utility model;
[0023] Figure 4 It is a guide member structure schematic view of the utility model;
[0024] Figure 5The auxiliary supporting piece structure schematic view of the utility model.
[0025] In the figure: assembly table 1, motor 11, supporting guide roller 12, limiting sliding groove 13, dovetail sliding groove 14, supporting piece 2, supporting block 21, reinforcing plate 22, ball 23, guide wheel 24, guide piece 3, mounting frame 31, reinforcing block 32, guide wheel 33, limiting sliding block 24, first spring 25, auxiliary supporting piece 4, movable frame 41, auxiliary supporting roller 42, dovetail sliding block 43, fixed sleeve 44, pressure sensor 45, telescopic pneumatic cylinder 46, second spring 47. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Please refer to Figures 1-5 The utility model provides two technical schemes:
[0028] The first embodiment: a ramp shield segment assembling auxiliary device, including assembly table 1, supporting piece 2, guide piece 3 and auxiliary supporting piece 42, the drive mechanism is installed on assembly table 1, is used to drive shield segment to move to the appropriate installation angle and position, the drive mechanism on assembly table 1 includes the motor 11 fixed in the middle part of the back of assembly table 1, the output shaft of motor 11 is fixed with supporting guide roller 12, and supporting guide roller 12 is located in the middle part of the front of assembly table 1 and is used to support and guide shield segment.
[0029] Specifically, supporting piece 2 is arranged in the middle part of the front of assembly table 1 and is used to support the drive mechanism on assembly table 1, so that the drive mechanism can stably support shield segment, and supporting piece 2 includes supporting block 21 arranged below supporting guide roller 12, supporting block 21 is fixed to the front of assembly table 1, the lower surface of supporting block 21 is fixed to assembly table 1 through a plurality of equally spaced reinforcing plates 22, so as to improve the compressive strength of supporting block 21, a plurality of equally spaced ball 23 grooves are formed in the middle part of the upper surface of supporting block 21, ball 23 is arranged in ball 23 groove, recesses are formed in the two sides of the upper surface of supporting block 21, and guide wheel 24 is arranged in the recess, wherein guide wheel 24 and ball 23 are used to support supporting guide roller 12 and reduce the friction between supporting guide roller 12 and supporting block 21, so as to facilitate supporting guide roller 12 to change the angle of shield segment during assembly.
[0030] More specifically, the guide 3 is arranged above the support 2, used to cooperate with the driving mechanism to assist in limiting the shield segment, and stably install the shield segment. The guide 3 comprises a mounting frame 31 arranged above the support roller 12, and the mounting frame 31 is fixed with a reinforcing block 32 for improving the compressive strength of the mounting frame 31. The mounting frame 31 is movably connected with a guide wheel 33 through a pin shaft, and the guide wheel 33 corresponds to the upper surface of the shield segment. One side of the mounting frame 31 is fixed with a limiting sliding block 24, and the front end of the assembly table 1 is provided with a limiting sliding groove 13. The limiting sliding block 24 is located in the limiting sliding groove 13, used to drive the mounting frame 31 to move vertically up and down. The top end of the limiting sliding block 24 is connected with the limiting sliding groove 13 through a first spring 25, used to drive the guide wheel 33 to move downward and contact with the shield segment.
[0031] The second embodiment is mainly different from the first embodiment in that the auxiliary support 42 is arranged on the front sides of the assembly table 1, used to assist in supporting the shield segment, and improve the stability of the shield segment assembly. The auxiliary support 42 comprises a movable frame 41 arranged on the front sides of the assembly table 1, and the movable frame 41 is movably connected with an auxiliary support roller 42 through a pin shaft. The auxiliary support roller 42 corresponds to the two ends of the shield segment. One side of the movable frame 41 is fixed with a dovetail sliding block 43, and the front sides of the assembly table 1 are provided with dovetail sliding grooves 14. The dovetail sliding block 43 is located in the dovetail sliding groove 14, used to drive the movable frame 41 to move vertically up and down. The bottom end of the movable frame 41 is fixed with a fixed sleeve 44, and the inner top wall of the fixed sleeve 44 is inlaid with a pressure sensor 45. The auxiliary support 42 further comprises a telescopic pneumatic cylinder 46 arranged below the movable frame 41. The telescopic pneumatic cylinder 46 is fixed on the assembly table 1, and the output shaft of the telescopic pneumatic cylinder 46 is inserted into the fixed sleeve 44. The output shaft of the telescopic pneumatic cylinder 46 is connected with the pressure sensor 45 through a second spring 47, and the second spring 47 is located in the fixed sleeve 44, used to buffer and protect the pressure sensor 45.
[0032] The device works, first of all, the shield segment is placed on the supporting guide roller 12, at this time the supporting block 21 plays a supporting role to the supporting guide roller 12 through the ball 23 and the guide wheel 24 on it, so that the supporting guide roller 12 stably supports the shield segment, then the limiting of the mounting frame 31 is released, at this time the mounting frame 31 moves downward under the action of the first spring 25 and gravity, until the guide wheel 33 on the mounting frame 31 contacts the upper surface of the shield segment, which plays a certain limiting role to the shield segment, and at the same time does not affect the change of angle during assembly, and at the same time the telescopic cylinder 46 is started, the telescopic cylinder 46 drives the movable frame 41 to move, the movable frame 41 moves vertically through the dovetail sliding block 43 and the dovetail sliding groove 14, until the auxiliary supporting roller 42 on the movable frame 41 contacts the two ends of the shield segment, at this time the movable frame 41 remains stationary, the telescopic cylinder 46 continues to extend, the second spring 47 is compressed under stress, the pressure sensor 45 detects the pressure change, and controls the telescopic cylinder 46 to stop driving, at this time the auxiliary supporting roller 42 plays a role of auxiliary supporting to the two ends of the shield segment, the motor 11 is started, the motor 11 drives the supporting guide roller 12 to rotate, and the supporting guide roller 12 drives the shield segment to change the assembly angle, thereby improving the working efficiency of the device.
[0033] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art, and the model parameters of various appliances are not specifically limited, and conventional equipment can be used.
[0034] It should be noted that in this paper, relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment 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 equipment.
[0035] 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 variations can be made to the 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 ramp shield segment assembling auxiliary device, characterized by, Include: The assembly table, the driving mechanism is installed on the table, used to drive the shield segment to move to the appropriate installation angle and position; Support, the support is arranged in the middle of the front of the assembly table, used to support the driving mechanism on the assembly table, so that the driving mechanism can stably support the shield segment; Guide, the guide is arranged above the support, used to cooperate with the driving mechanism to assist the shield segment, and the shield segment is stably installed; The auxiliary support is arranged on both sides of the front of the assembly table, used to assist the shield segment, and the stability of the shield segment assembly is improved.
2. The ramp shield segment assembling auxiliary device according to claim 1, characterized in that: The driving mechanism on the assembly table includes a motor fixed in the middle of the back of the assembly table, the output shaft of the motor is fixed with a support guide roller, the support guide roller is located in the middle of the front of the assembly table, used to support and guide the shield segment.
3. The ramp shield segment assembling auxiliary device according to claim 1, characterized in that: The support includes a support block arranged below the support guide roller, the support block is fixed on the front of the assembly table, the lower surface of the support block is fixed with the assembly table through a plurality of equally spaced reinforcing plates, used to improve the compressive strength of the support block, a plurality of equally spaced ball grooves are arranged in the middle of the upper surface of the support block, the ball grooves are provided with balls, recesses are arranged on both sides of the upper surface of the support block, guide wheels are arranged in the recesses, the guide wheels and the balls are used to support the support guide roller, and the friction between the support guide roller and the support block is reduced, so that the support guide roller can change the angle of the shield segment during assembly.
4. The ramp shield segment assembling auxiliary device according to claim 1, characterized in that: The guide includes a mounting frame arranged above the support guide roller, the mounting frame is fixed with a reinforcing block, used to improve the compressive strength of the mounting frame, a guide wheel is movably connected to the mounting frame through a pin shaft, the guide wheel corresponds to the upper surface of the shield segment, a limiting sliding block is fixed on one side of the mounting frame, a limiting sliding groove is arranged on the upper end of the front of the assembly table, the limiting sliding block is located in the limiting sliding groove, used to drive the mounting frame to move vertically up and down, and the top end of the limiting sliding block is connected with the limiting sliding groove through a first spring, used to drive the guide wheel to move downward and contact with the shield segment.
5. The ramp shield segment assembling auxiliary device according to claim 1, characterized in that: The auxiliary support includes a movable frame arranged on both sides of the front of the assembly table, an auxiliary support roller is movably connected to the movable frame through a pin shaft, the auxiliary support roller corresponds to both ends of the shield segment, a dovetail sliding block is fixed on one side of the movable frame, dovetail sliding grooves are arranged on both sides of the front of the assembly table, the dovetail sliding block is located in the dovetail sliding groove, used to drive the movable frame to move vertically up and down, a fixed sleeve is fixed at the bottom end of the movable frame, a pressure sensor is embedded on the inner top wall of the fixed sleeve.
6. The ramp shield segment assembling auxiliary device according to claim 5, characterized in that: The auxiliary support further includes a telescopic cylinder arranged below the movable frame, the telescopic cylinder is fixed on the assembly table, the output shaft of the telescopic cylinder is inserted into the fixed sleeve, and the output shaft of the telescopic cylinder is connected with the pressure sensor through a second spring, the second spring is located in the fixed sleeve, used to protect the pressure sensor.