Pipe gallery prefabricated member mounting structure

Abstract

The utility model discloses a pipe gallery prefabricated part mounting structure in the technical field of pipe gallery engineering, including concrete outer ring and pipe gallery prefabricated connecting piece, the concrete outer ring is square hollow structure, the pipe gallery prefabricated connecting piece is nested in the hollow chamber of concrete outer ring, and one end of pipe gallery prefabricated connecting piece projects to the end face setting of concrete outer ring, the part of pipe gallery prefabricated connecting piece projecting to concrete outer ring, and the outer circumferential side of corresponding four directions of up and down and left and right is equipped with pressure balance adjusting assembly, through in pipe gallery prefabricated connecting piece projecting to the up and down and left and right four sides of concrete outer ring, install pressure balance adjusting assembly with movable slot, first square spring and pressure transmission adjusting lever, and the pressure balance block of collocating by force rod, side force spring and the main balance module containing main force spring reach the self -adaptation adjusting purpose of unilateral lateral extrusion pressure in the operation of pipe gallery, realize the dynamic balance of connecting part stress.

Description

Technical Field

[0001] This utility model relates to the field of pipe gallery engineering technology, and in particular to an installation structure for prefabricated pipe gallery components. Background Technology

[0002] In the industrialized construction of urban underground utility tunnels, the current prefabricated installation structure of the tunnel generally achieves segment splicing through the cooperation of concrete matrix and prefabricated connectors. It is necessary to meet the dual requirements of structural load-bearing and joint sealing at the same time. On the one hand, it is necessary to cope with the deformation caused by soil pressure, water pressure and temperature changes in the underground environment to ensure that the connection part has sufficient structural stability. On the other hand, it is necessary to achieve the seepage prevention function through rubber seals at the joints.

[0003] Existing prefabricated pipe gallery installation structures lack adaptive adjustment capabilities for lateral pressure at their connection points after installation. When the pipe gallery is subjected to lateral compressive force (such as continuous downward or directional pressure from one side), the connection structure cannot effectively buffer and balance this force. This continuous unilateral compression is directly transmitted to the sealing ring at the joint, causing the sealing ring to bear excessive pressure locally for a long period. This not only easily leads to local wear or deformation of the sealing ring due to uneven stress, but also damages the original sealing contact pattern of the sealing ring, thus affecting the overall sealing effect. To address these issues, we propose a prefabricated pipe gallery installation structure. Utility Model Content

[0004] The purpose of this section is to outline some aspects of the embodiments of this utility model and to briefly introduce some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of this utility model, to avoid obscuring the purpose of these documents, and such simplifications or omissions should not be used to limit the scope of this utility model.

[0005] Therefore, the purpose of this utility model is to provide an installation structure for prefabricated pipe gallery components, which can solve the problem that the existing pipe gallery prefabricated component installation structure lacks adaptive adjustment capability for lateral pressure at its connection parts after installation. When the pipe gallery is subjected to lateral extrusion force (such as continuous downward or directional extrusion from one side), the connection structure cannot effectively buffer and balance the extrusion force. This continuous unilateral extrusion will be directly transmitted to the sealing ring at the splice joint, causing the sealing ring to bear excessive pressure locally for a long time. This not only easily causes the sealing ring to wear or deform locally due to uneven force, but also destroys the original sealing contact form of the sealing ring, thus affecting the overall sealing effect.

[0006] To solve the above-mentioned technical problems, this utility model provides an installation structure for prefabricated pipe rack components, adopting the following technical solution: it includes a concrete outer ring and prefabricated pipe rack connectors. The concrete outer ring is a square hollow structure, and the prefabricated pipe rack connectors are nested in the hollow cavity of the concrete outer ring. One end of the prefabricated pipe rack connector protrudes from the end face of the concrete outer ring. The portion of the prefabricated pipe rack connector protruding from the concrete outer ring has pressure balance adjustment components on its outer periphery corresponding to the four directions of up, down, left, and right. The pressure balance adjustment components are movable protruding slot structures that can extend and retract radially along the prefabricated pipe rack connectors.

[0007] Optionally, the precast connector of the pipe gallery protrudes from the outer ring of the concrete. The upper, lower, left and right outer walls of the precast connector of the pipe gallery are respectively provided with movable grooves extending in the vertical direction. The pressure balance adjustment component is correspondingly limited in each movable groove by a limiting structure. A first square spring is provided between the pressure balance adjustment component and the bottom of the movable groove of the precast connector of the pipe gallery. The pressure balance adjustment component is provided with an adjustment cavity inside.

[0008] Optionally, the pressure balance adjustment component has symmetrically distributed side pressure adjustment holes on both sides and a medium pressure adjustment hole between the two side pressure adjustment holes on the side facing the prefabricated connector of the pipe gallery; a transmission support column is provided in the adjustment cavity along the vertical direction, and a pressure transmission adjustment lever is installed on the transmission support column at the position corresponding to the side pressure adjustment hole and the medium pressure adjustment hole.

[0009] Optionally, the outer ends of the pressure transmission adjusting levers are integrally formed with pressure protrusions, which protrude from the corresponding side pressure adjusting holes and are used to abut against the prefabricated connectors of the adjacent pipe gallery to apply force. The inner ends of the pressure transmission adjusting levers on both sides are fastened to the pressure transmission blocks. The distance from which the pressure transmission blocks protrude from the side pressure adjusting holes is greater than the distance from which the pressure protrusions from the side pressure adjusting holes.

[0010] Optionally, a force-applying cavity is provided on the outer side of the pressure transmission adjusting lever on both sides, and directly behind the pressure protrusion. A force-applying column is integrally formed along the axial direction in the force-applying cavity. A pressure balance block is provided directly behind the force-applying column. The pressure balance block includes a force-applying rod, a force-applying base, and a side force-applying spring. The force-applying base is fixed to the cavity wall of the force-applying cavity. The side force-applying spring is arranged radially along the prefabricated connector of the pipe gallery. One end of the side force-applying spring abuts against the force-applying base, and the other end is fixedly connected to one end of the force-applying rod. The pressure balance block is used to continuously provide axial force to the pressure transmission adjusting lever. The front of the pressure balance block is axially connected to the force-applying column, and the force-applying column is located at the rotation center of the pressure transmission adjusting lever.

[0011] Optionally, the pressure transmission adjusting levers are all securely installed behind the pressure transmission block, and the pressure transmission adjusting levers on both sides are symmetrically distributed vertically. A main balancing module is provided behind the pressure transmission block. The main balancing module includes a first transmission block, a second transmission block, a partition, and a main force spring. The first transmission block and the second transmission block are respectively located on the upper and lower sides of the pressure transmission adjusting levers on both sides. The partition is located behind the first transmission block and the second transmission block. The main force spring is located on the side of the partition away from the first transmission block and the second transmission block. The forces of the side force spring and the main force spring are balanced to achieve force balance between the pressure protrusion and the pressure transmission block.

[0012] Optionally, a preset groove is provided on the front end face of the concrete outer ring and around the periphery of the precast connector of the pipe gallery, the preset groove being used to fit a sealing element; a pressure balance groove is provided on the rear end face of the concrete outer ring, the pressure balance groove being compatible with the pressure balance adjustment components provided around the precast connector of the pipe gallery.

[0013] In summary, this utility model has at least one of the following beneficial effects: 1. By installing a pressure balance adjustment component with movable groove, first square spring and pressure transmission adjustment lever on the four sides of the prefabricated connector protruding from the outer ring of the concrete in the pipe gallery, and in combination with a pressure balance block composed of force application rod and side force application spring and a main balance module containing main force application spring, the adaptive adjustment of lateral extrusion pressure on one side during pipe gallery operation is achieved, dynamic balance of force at the connection part is realized, pressure is prevented from being concentrated and transmitted to the joint sealing ring, and the sealing ring is prevented from being worn or deformed due to local long-term overload, thus ensuring the long-term seepage prevention performance of the pipe gallery joint is stable.

[0014] 2. By creating a pre-set groove around the prefabricated connector of the pipe gallery on the front end face of the concrete outer ring, and creating a pressure balance groove on the rear end face of the concrete outer ring that is compatible with the pressure balance adjustment component, the dual purpose of precise installation of the sealing component and stable connection of the pipe gallery segments is achieved. After the sealing component is fitted, it fits tightly against the groove and the outer wall of the connector to form a reliable anti-seepage barrier. When adjacent pipe galleries are spliced, the pressure balance adjustment component can be quickly inserted into the pressure balance groove to complete the positioning, avoiding the connection misalignment from affecting the sealing effect. At the same time, the load is transferred by relying on the groove to support the adjustment component. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model; Figure 2 This is a schematic diagram of the overall exploded structure of this utility model; Figure 3 This is a schematic diagram of the pressure balance adjustment component of this utility model; Figure 4 This is a schematic diagram of the pressure balance block and main balance module of this utility model.

[0017] Explanation of reference numerals in the attached figures: 1. Concrete outer ring; 12. Hollow cavity; 13. Pre-set groove; 14. Pressure balance groove; 2. Prefabricated connectors for the utility tunnel; 21. Movable groove; 3. Pressure balance adjustment assembly; 31. First square spring; 32a. Adjustment chamber; 32b. Side pressure adjustment hole; 32c. Middle pressure adjustment hole; 33. Transmission support column; 34. Pressure transmission adjustment lever; 341. Force application chamber; 342. Force application column; 35a. Pressure protrusion; 35b. Pressure transmission block; 4. Pressure balance block; 41. Force rod; 42. Force base; 43. Side force spring; 5. Main balancing module; 51. First transmission block; 52. Second transmission block; 53. Partition plate; 54. Main force-applying spring. Detailed Implementation

[0018] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments. It should be understood that the specific embodiments described herein are merely for explaining the present utility model and are not intended to limit the present utility model.

[0019] Furthermore, it should be understood in the description of this utility model that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0020] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral unit; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. However, specifying a direct connection indicates that the two main bodies at the connection point are not connected through a transitional structure, but are simply connected to form a whole through a connecting structure. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0021] In this utility model, unless otherwise expressly specified and limited, the first feature "on" or "below" the second feature may be in direct contact with the first and second features, or indirect contact through an intermediate medium. In the description of this specification, references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of this utility model. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0022] The following is in conjunction with the appendix Figure 1-4 The present invention will be described in further detail below.

[0023] Example 1, refer to Figure 1-4 In this embodiment, to address the problem that existing prefabricated pipe gallery installation structures lack adaptive adjustment capabilities for lateral pressure after installation, and when the pipe gallery is subjected to lateral compressive force (such as continuous downward or directional pressure from one side), the connection structure cannot effectively buffer and balance this compressive force. This continuous unilateral compression is directly transmitted to the sealing ring at the joint, causing the sealing ring to bear excessive pressure locally for a long time. This not only easily leads to local wear or deformation of the sealing ring due to uneven stress, but also damages the original sealing contact pattern of the sealing ring, thus affecting the overall sealing effect. Therefore, this utility model discloses a prefabricated pipe gallery installation structure. The system includes a concrete outer ring and prefabricated pipe rack connectors. The concrete outer ring is a square hollow structure, and the prefabricated pipe rack connectors are nested inside the hollow cavity of the concrete outer ring. One end of the prefabricated pipe rack connector protrudes from the end face of the concrete outer ring. The portion of the prefabricated pipe rack connector protruding from the concrete outer ring has pressure balancing adjustment components on its outer periphery in four directions (up, down, left, and right). The pressure balancing adjustment components are movable protruding slot structures that can expand and contract radially along the prefabricated pipe rack connector. The pressure balancing adjustment components on the outer periphery of the prefabricated pipe rack connector, which protrude from the end face of the concrete outer ring, adopt a retractable structure with movable protruding slots. They can flexibly expand and contract radially along the prefabricated pipe rack connector. When the pipe rack is subjected to unilateral lateral pressure during operation, the movable protruding slots in the corresponding directions can absorb the pressure through expansion and contraction, preventing the pressure from being concentrated and transmitted to the splice joint.

[0024] The precast connector of the utility tunnel protrudes from the outer ring of the concrete. Vertically extending movable grooves are formed on the upper, lower, left, and right outer walls of the connector. A pressure balancing adjustment component is correspondingly limited within each movable groove by a limiting structure. A first square spring is provided between the pressure balancing adjustment component and the bottom of the movable groove of the precast connector. An adjustment cavity is formed inside the pressure balancing adjustment component. The precast connector protrudes from the outer ring of the concrete, with vertically extending movable grooves on its upper and lower outer walls and horizontally extending movable grooves on its left and right outer walls. These movable grooves are controlled by a limiting structure and the first square spring. The combination of these components enables pre-compression and reset functions. The pressure balance adjustment component is limited within the movable groove by a limiting structure, allowing it to move only along the extension direction of the movable groove to prevent displacement or detachment. The first square spring installed between the pressure balance adjustment component and the bottom of the movable groove is in a pre-compressed state when the component is not subjected to external force, constantly applying an outward pre-tightening force to the pressure balance adjustment component to keep it in its initial extended state, ensuring quick engagement with adjacent precast pipe rack components. When the component is compressed and contracted, the first square spring is further compressed to store elastic potential energy. When the compressive force weakens or disappears, the spring releases the potential energy to push the component to reset.

[0025] The pressure balance adjustment assembly has symmetrically distributed side pressure adjustment holes on both sides and a middle pressure adjustment hole located between the two side pressure adjustment holes on the side facing the prefabricated connector of the pipe gallery. A transmission support column is installed in the adjustment cavity along the vertical direction. Pressure transmission adjustment levers are installed on the transmission support column at positions corresponding to the side and middle pressure adjustment holes. The transmission support column in the vertical direction provides a stable rotation support point for the pressure transmission adjustment levers. The pressure transmission adjustment levers are installed at the positions corresponding to the side and middle pressure adjustment holes on the transmission support column, forming a multi-lever linkage force transmission structure. When external pressure acts on the pressure protrusion, the pressure is transmitted through the side pressure adjustment hole to the corresponding pressure transmission adjustment lever. The lever rotates around the transmission support column as a fulcrum, converting the external pressure into a torque along the length of the lever. Simultaneously, the lever at the middle pressure adjustment hole helps balance the torque on both sides, preventing excessive force on one side of the lever and thus deformation, achieving uniform pressure transmission and amplification / reduction.

[0026] The outer ends of the pressure transmission adjusting levers are integrally formed with pressure protrusions, which protrude from the corresponding side pressure adjusting holes and are used to abut against the prefabricated connectors of adjacent pipe racks to apply force. The inner ends of both pressure transmission adjusting levers are fastened to pressure transmission blocks. The distance from which the pressure transmission blocks protrude from the side pressure adjusting holes is greater than the distance from which the pressure protrusions protrude from the side pressure adjusting holes. The integrally formed pressure protrusions on the outer ends of the pressure transmission adjusting levers, protruding from the side pressure adjusting holes and directly abutting against the prefabricated connectors of adjacent pipe racks, are direct force-applying components. Their function is to directly apply the force transmitted by the levers to the adjacent connectors. The connecting parts form an initial pressure balance, while the pressure transmission blocks, which are fastened to the inner ends of the pressure transmission adjustment levers on both sides, serve as secondary force application and buffer parts. The distance by which the pressure transmission blocks protrude from the side pressure adjustment holes is greater than that of the pressure protrusions. This "long and short protrusions" structural design has a graded force application function: when the external pressure is small, only the pressure protrusions contact the adjacent connecting parts and apply force, and fine adjustment is achieved through the small range of expansion and contraction of the protrusions; when the external pressure increases, the pressure protrusions are squeezed and contracted to be flush with the pressure transmission blocks, and the pressure transmission blocks begin to contact the adjacent connecting parts to share the pressure and avoid overload of a single protrusion.

[0027] Both sides of the pressure transmission adjusting lever have a force-applying chamber on their outer side, directly behind the pressure protrusion. An axially integrally formed force-applying column is located within each chamber. A pressure balance block is positioned directly behind the force-applying column. The pressure balance block includes a force-applying rod, a force-applying base, and a side force-applying spring. The force-applying base is fixed to the wall of the force-applying chamber. The side force-applying spring is radially arranged along the prefabricated connector of the pipe gallery, with one end abutting against the force-applying base and the other end fixedly connected to one end of the force-applying rod. The pressure balance block continuously provides axial force to the pressure transmission adjusting lever. The front of the pressure balance block is axially connected to the force-applying column, which is located at the rotation center of the pressure transmission adjusting lever. The force-applying chamber is located on the outer side of the pressure transmission adjusting lever directly behind the pressure protrusion. The force chamber provides an independent installation and working space for the pressure balance block. The integrally formed force column inside the chamber acts as a "rotation center positioning component," enabling the pressure transmission adjustment lever to rotate stably around the force column as its axis. This avoids deviation during rotation that could lead to force transmission errors. The side force spring is radially arranged along the prefabricated connector of the pipe gallery. One end abuts against the force base, and the other end is fixed to the force rod. It is always in a pre-tensioned or pre-compressed state, applying a continuous axial force to the force rod. The other end of the force rod movably abuts against the outer side of the pressure transmission adjustment lever, transmitting the force of the side force spring to the lever. This ensures that the lever is always subjected to a stable counterforce, which can counteract the tendency of the lever to loosen due to external pressure and prevent gaps or displacement from appearing after the lever has been under stress for a long time.

[0028] The pressure transmission adjusting levers are all securely mounted directly behind the pressure transmission block, and the two pressure transmission adjusting levers on both sides are symmetrically distributed vertically. A main balancing module is located directly behind the pressure transmission block. The main balancing module includes a first transmission block, a second transmission block, a partition, and a main force spring. The first and second transmission blocks are respectively located on the upper and lower sides of the two pressure transmission adjusting levers. The partition is located directly behind the first and second transmission blocks, and the main force spring is located on the side of the partition away from the first and second transmission blocks. The forces of the side force spring and the main force spring are balanced to achieve force balance between the pressure protrusion and the pressure transmission block. The two pressure transmission adjusting levers are symmetrically mounted vertically behind the pressure transmission block. This symmetrical structure prevents the levers from tilting when under force, ensuring the force is directed towards the pressure transmission block. The transmitted forces are in the same direction. The first and second transmission blocks are respectively located on the upper and lower sides of the pressure transmission adjusting levers on both sides, which can further disperse the force transmitted by the levers to the partition, avoiding local overload of the partition. The partition acts as a force transmission medium, integrating the forces of the first and second transmission blocks and transmitting them to the main force spring. The main force spring is set along the axial direction, forming a vertical force balance relationship with the side force spring. When the side force spring applies a lateral force, the main force spring compensates through axial elastic force, so that the lateral force and axial force on the pressure protrusion and pressure transmission block cancel each other out, and finally achieve overall force balance. For example, when the pressure protrusion on one side is squeezed and contracted, the lever drives the pressure transmission block to move, the main force spring is compressed and generates a reverse elastic force, which together with the side force spring pushes the lever to reset.

[0029] The front end face of the concrete outer ring, surrounding the periphery of the precast connector in the pipe gallery, has a pre-set groove for fitting a sealing element. The rear end face of the concrete outer ring has a pressure balancing groove, which is compatible with the pressure balancing adjustment components surrounding the precast connector. The pre-set groove on the front end face of the concrete outer ring, surrounding the precast connector, is specifically designed for the sealing element; its dimensions match the sealing element, ensuring a tight fit between the inner wall of the groove and the outer wall of the precast connector after fitting, forming the first line of defense against seepage. Simultaneously, the depth and width of the groove are designed to prevent excessive deformation of the sealing element under pressure. The pressure balancing groove on the rear end face of the concrete outer ring is perfectly matched in size and position with the pressure balancing adjustment components around the precast connectors of the utility tunnel. It is a key structure for achieving the docking and positioning of utility tunnel segments. When adjacent utility tunnel segments are spliced, the pressure balancing adjustment components of one side of the precast connector can be inserted into the pressure balancing groove of the concrete outer ring on the other side. The tight fit between the components and the groove achieves mechanical positioning, preventing lateral displacement of the utility tunnel segments after docking. At the same time, the inner wall of the pressure balancing groove can provide reverse support for the pressure balancing adjustment components, allowing the components to transfer the load through the groove when subjected to external pressure, thus avoiding overload of the components alone.

[0030] Installation process of prefabricated pipe gallery components: 1. Precast component placement: The concrete outer ring with precast pipe gallery connectors is hoisted to the preset position in the pipe gallery construction pit, ensuring that the rear end face of the concrete outer ring faces the installation structure of the other precast pipe gallery component to be spliced. 2. Initial docking: Drive the current installation structure closer to the structure to be spliced, so that the part of the precast connector of the pipe gallery protruding from the outer ring of the concrete is aligned with the pressure balance groove of the outer ring of the concrete of the structure to be spliced, and start the initial insertion action; 3. Adjustment component contraction: During the insertion process, the pressure balance adjustment component on the outer periphery of the precast connector of the pipe gallery comes into contact with and is squeezed by the outer ring of the concrete of the structure to be spliced, and contracts along the movable groove toward the inner side of the precast connector of the pipe gallery, simultaneously compressing the first square spring between the pressure balance adjustment component and the bottom of the movable groove; 4. Positioning and engagement: Continue inserting until the precast connector of the pipe gallery reaches the preset splicing depth. At this time, the first square spring releases the pre-tightening force, pushing the pressure balance adjustment component to extend outward and engage in the pressure balance groove of the outer ring of the concrete of the structure to be spliced, thus completing the mechanical positioning. 5. Sealing Installation and Pressure Calibration: Insert the sealing element into the pre-set groove on the front end face of the concrete outer ring. Check whether the pressure protrusion and the second pressure transmission block of the pressure balance adjustment component are in a balanced state due to the action of the first square spring, the main force spring and the side force spring. Ensure that the sealing element at the splice joint is always under stable pressure. Finally, complete the installation of the entire precast pipe gallery section.

[0031] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.

Claims

1. A precast pipe gallery installation structure, comprising a concrete outer ring (1) and precast pipe gallery connectors (2), characterized in that: The concrete outer ring (1) is a square hollow structure. The prefabricated pipe gallery connector (2) is nested in the hollow cavity (12) of the concrete outer ring (1). One end of the prefabricated pipe gallery connector (2) protrudes from the end face of the concrete outer ring (1). The part of the prefabricated pipe gallery connector (2) that protrudes from the concrete outer ring (1) has pressure balance adjustment components (3) on its outer periphery corresponding to the four directions of up, down, left and right. The pressure balance adjustment components (3) are movable protruding slot structures that can be extended and retracted radially along the prefabricated pipe gallery connector (2).

2. The prefabricated pipe gallery installation structure according to claim 1, characterized in that: The precast connector (2) of the pipe gallery protrudes from the outer ring (1) of the concrete. The upper, lower and left and right outer walls of the precast connector (2) of the pipe gallery are respectively provided with movable grooves (21) extending in the vertical direction. The pressure balance adjustment component (3) is correspondingly limited in each movable groove (21) by the limiting structure. A first square spring (31) is provided between the pressure balance adjustment component (3) and the bottom of the movable groove (21) of the precast connector (2) of the pipe gallery. An adjustment cavity (32a) is provided inside the pressure balance adjustment component (3).

3. The prefabricated pipe gallery installation structure according to claim 2, characterized in that: The pressure balance adjustment component (3) has symmetrically distributed side pressure adjustment holes (32b) and a middle pressure adjustment hole (32c) between the two side pressure adjustment holes (32b) on the side facing the prefabricated connector (2) of the pipe gallery; a transmission support column (33) is provided in the adjustment cavity (32a) along the vertical direction, and a pressure transmission adjustment lever (34) is installed on the transmission support column (33) at the position corresponding to the side pressure adjustment hole (32b) and the middle pressure adjustment hole (32c).

4. The prefabricated pipe gallery installation structure according to claim 3, characterized in that: The outer ends of the pressure transmission adjustment levers (34) on both sides are integrally formed with pressure protrusions (35a). The pressure protrusions (35a) protrude from the corresponding side pressure adjustment holes (32b) and are used to abut against the adjacent prefabricated pipe rack connectors (2) to apply force. The inner ends of the pressure transmission adjustment levers (34) on both sides are fastened to the pressure transmission block (35b). The distance from which the pressure transmission block (35b) protrudes from the side pressure adjustment hole (32b) is greater than the distance from which the pressure protrusion (35a) protrudes from the side pressure adjustment hole (32b).

5. The prefabricated pipe gallery installation structure according to claim 3, characterized in that: Both sides of the pressure transmission adjusting lever (34) are provided with a force application cavity (341) on the outer side and directly behind the pressure protrusion (35a). A force application column (342) is integrally formed in the force application cavity (341) along the axial direction. A pressure balance block (4) is provided directly behind the force application column (342). The pressure balance block (4) includes a force application rod (41), a force application base (42), and a side force application spring (43). The force application base (42) is fixed to the cavity of the force application cavity (341). On the wall, a side force spring (43) is arranged radially along the prefabricated connector (2) of the pipe gallery, and one end of the side force spring (43) abuts against the force base (42) and the other end is fixedly connected to one end of the force rod (41). The pressure balance block (4) is used to continuously provide axial force to the pressure transmission adjustment lever (34). The front of the pressure balance block (4) is axially connected to the force column (342), and the force column (342) is located at the rotation center of the pressure transmission adjustment lever (34).

6. The prefabricated pipe gallery installation structure according to claim 5, characterized in that: The pressure transmission adjustment levers (34) are all fastened to the rear of the pressure transmission block (35b), and the pressure transmission adjustment levers (34) on both sides are symmetrically distributed vertically. The main balance module (5) is provided at the rear of the pressure transmission block (35b). The main balance module (5) includes a first transmission block (51), a second transmission block (52), a partition (53), and a main force spring (54). The first transmission block (51) and the second transmission block (52) are respectively located on the upper and lower sides of the pressure transmission adjustment levers (34) on both sides. The partition (53) is located at the rear of the first transmission block (51) and the second transmission block (52). The main force spring (54) is located on the side of the partition (53) away from the first transmission block (51) and the second transmission block (52). The forces of the side force spring (43) and the main force spring (54) are balanced to achieve the force balance between the pressure protrusion (35a) and the pressure transmission block (35b).

7. The prefabricated pipe gallery installation structure according to claim 1, characterized in that: The front end face of the concrete outer ring (1) and the outer periphery of the precast connector (2) of the pipe gallery are provided with a preset groove (13), which is used to fit the sealing element; the rear end face of the concrete outer ring (1) is provided with a pressure balance groove (14), which is adapted to the pressure balance adjustment component (3) provided around the precast connector (2) of the pipe gallery.

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