Secondary lining trolley

Abstract

The utility model discloses a secondary lining trolley, which relates to the technical field of building construction, and comprises a lining trolley, one side of the lining trolley is provided with a spraying pipe, the side wall of the spraying pipe is provided with a plurality of spraying ports, and the lining trolley is provided with a driving mechanism. The driving mechanism is used for driving the spraying pipe to move along an arc-shaped track corresponding to the shape of the inner wall of the tunnel, and a feeding mechanism communicated with the spraying pipe is arranged on the lining trolley and used for conveying a release agent when the spraying pipe moves. The spraying device has the advantages that the spraying pipe is located on the peripheral side of the lining trolley and can move along the arc-shaped track corresponding to the shape of the inner wall of the tunnel body, and meanwhile the feeding mechanism is arranged, so that the spraying pipe can spray a release agent (release oil) when moving, and the spraying efficiency is improved. And therefore, the trolley formwork and the outer formwork arranged on the inner wall of the tunnel are subjected to release agent spraying treatment, the working efficiency is improved, and the labor cost is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of building construction, in particular to a secondary lining trolley. Background Art

[0002] Lining refers to a permanent support structure built with reinforced concrete and other materials along the periphery of the tunnel body to prevent deformation or collapse of the surrounding rock. At present, in the secondary lining construction of tunnel arch walls in China, a walking integral template trolley is usually used for secondary lining. For example, a retractable trolley for lining construction of a tunnel emergency parking strip authorized for disclosure on October 10, 2023, with an authorization publication number of CN219809012U, is disclosed. The utility model discloses a retractable trolley for lining construction of a tunnel emergency parking strip. By setting a walking mechanism, a gantry mechanism, a support frame, a support template, a lifting mechanism, a telescopic mechanism, a load-bearing column, a driving mechanism and an operating platform, the lifting mechanism is installed on the gantry mechanism, and the support template is connected to the gantry mechanism through a telescopic mechanism, so that the trolley can expand the support template in the tunnel parking strip for lining construction, and retract the support template in the normal section for travel. The structure of the operating trolley is ingenious, which reduces the labor intensity of construction personnel, improves work efficiency and safety, and is conducive to the application and promotion of the above-mentioned retractable trolley for lining construction in the field of tunnel construction equipment technology.

[0003] After the trolley is positioned, in order to ensure that the concrete does not stick to the trolley formwork and the outer formwork located on the inner wall of the tunnel, there is also a process of spraying a release agent on the trolley formwork and the outer formwork before pouring the concrete; however, the existing trolley does not have a device for spraying a release agent, that is, it is usually applied manually using a roller, but because the trolley and the tunnel are relatively high and arc-shaped, it is difficult to apply the agent evenly by hand, and the labor intensity is high and the application speed is slow, which leads to low construction efficiency and a waste of a lot of manpower costs. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a secondary lining trolley.

[0005] The utility model is realized by the following technical solutions:

[0006] A secondary lining trolley comprises a lining trolley, a spray pipe is arranged on one side of the lining trolley, a plurality of spray ports are opened on the side wall of the spray pipe, a driving mechanism is arranged on the lining trolley, the driving mechanism is used to drive the spray pipe to move along an arc track corresponding to the shape of the inner wall of the tunnel, and a feeding mechanism connected with the spray pipe is arranged on the lining trolley for conveying a release agent when the spray pipe moves.

[0007] As a further improvement of the utility model, a spray head is arranged on the spray pipe at the spray port, and a spray regulating valve is arranged on the spray head.

[0008] As a further improvement of the utility model, the driving mechanism includes a group of arc-shaped gear rings arranged at the front and rear ends of the lining trolley, the arc-shaped gear rings correspond to the shape of the inner wall of the tunnel, and the spray pipe is detachably arranged between the group of arc-shaped gear rings to limit the movement trajectory of the spray pipe.

[0009] As a further improvement of the utility model, a sliding seat is provided on the arc-shaped gear ring, a transmission gear meshing with the surface of the arc-shaped gear ring is provided on the sliding seat, a first actuator connected to the transmission gear is provided on one side of the sliding seat, and one end of the spray tube is detachably connected to the sliding seat.

[0010] As a further improvement of the utility model, a positioning groove is provided on the sliding seat, positioning pins which can be inserted into the positioning groove are provided at both ends of the spray pipe, and a limiting member is provided on the sliding seat, and the limiting member is used to limit the spray pipe from being out of engagement with the positioning groove.

[0011] As a further improvement of the utility model, a sliding groove is provided on the sliding seat, a sliding plate is slidably arranged in the sliding groove, one end of the sliding plate passes through the sliding seat, the positioning groove is provided at the end of the sliding plate passing through the sliding seat, and a locking member for locking the sliding plate is provided on the sliding seat.

[0012] As a further improvement of the utility model, a driven wheel is rotatably provided on the sliding seat, and the driven wheel abuts against the inner wall of the arc-shaped gear ring.

[0013] As a further improvement of the utility model, the feeding mechanism includes a storage box arranged on the lining trolley, a pressure pump is arranged on one side of the storage box, a feeding pipe is arranged at the output end of the pressure pump, and the other end of the feeding pipe is connected to the spraying pipe.

[0014] As a further improvement of the utility model, a reel is provided on one side of the storage box, the feed pipe is wound around the reel, and a second actuator for driving the reel to rotate is provided on one side of the storage box.

[0015] The beneficial effects of the utility model are as follows: in the utility model, the spray pipe is located on the peripheral side of the lining trolley and can move along an arc track corresponding to the shape of the inner wall of the tunnel body, and a feeding mechanism is provided at the same time, so that the spray pipe can spray a release agent (release oil) when moving, thereby spraying the release agent on the trolley template and the outer template arranged on the inner wall of the tunnel, thereby improving work efficiency and reducing labor costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The following is a detailed description of the preferred implementation examples of the present invention through the accompanying drawings to help understand the purpose and advantages of the present invention, wherein:

[0017] Figure 1 This is a schematic diagram of the structure of an embodiment of the utility model patent;

[0018] Figure 2 This is a schematic diagram of the side structure of an embodiment of the utility model patent;

[0019] Figure 3 The utility model patent embodiment corresponds to Figure 1 A partial enlarged view of the middle part;

[0020] Figure 4 This is a schematic diagram of the structure of the sliding seat in the embodiment of the utility model patent;

[0021] Figure 5 This is a schematic diagram of the spray pipe structure in the embodiment of the utility model patent. DETAILED DESCRIPTION

[0022] The utility model is further described in detail below based on the accompanying drawings and implementation cases.

[0023] The directional terms such as up, down, left, right, front, back, front, back, top, bottom, etc. mentioned or may be mentioned in this specification are defined relative to the structures shown in the drawings. The words "inside" and "outside" refer to the direction toward or away from the geometric center of a specific component, respectively. They are relative concepts, and therefore may change accordingly according to different locations and different usage conditions. Therefore, these or other directional terms should not be interpreted as restrictive terms.

[0024] refer to Figures 1 to 5 , the utility model embodiment discloses:

[0025] A secondary lining trolley comprises a lining trolley 1, a spraying pipe 2 is arranged on one side of the lining trolley 1, a plurality of spraying ports are opened on the side wall of the spraying pipe 2, a driving mechanism is arranged on the lining trolley 1, and the driving mechanism is used to drive the spraying pipe 2 to move along an arc track corresponding to the shape of the inner wall of the tunnel, and a feeding mechanism connected with the spraying pipe 2 is arranged on the lining trolley 1 to convey a release agent when the spraying pipe 2 moves; the spraying pipe 2 is located on the side of the lining trolley 1 and can move along an arc track corresponding to the shape of the inner wall of the tunnel body, and a feeding mechanism is arranged at the same time, so that the spraying pipe 2 can spray a release agent (release oil) when moving, so as to spray the release agent on the trolley template and the outer template arranged on the inner wall of the tunnel, which can improve work efficiency and reduce labor costs.

[0026] A nozzle 3 is provided at the spray port of the spray pipe 2 , and a spray regulating valve 4 is provided on the nozzle 3 , so that when the spray pipe 2 moves, the release agent can be sprayed from the nozzle 3 , and the spraying amount can be adjusted by the spray regulating valve 4 .

[0027] Specifically in this embodiment, the driving mechanism includes a group of arc-shaped gear rings 5 ​​arranged at the front and rear ends of the lining trolley 1, and the arc-shaped gear rings 5 ​​correspond to the shape of the inner wall of the tunnel. It is worth mentioning that the lining trolley 1 is also usually arranged into an arc shape corresponding to the shape of the inner wall of the tunnel, that is, the shape of the arc-shaped gear ring 5 also corresponds to the cross-section of the lining trolley 1, and the spray pipe 2 is detachably arranged between a group of the arc-shaped gear rings 5 ​​to limit the movement trajectory of the spray pipe 2.

[0028] Specifically, a sliding seat 6 is provided on the arc-shaped gear ring 5, and a transmission gear 7 meshing with the surface of the arc-shaped gear ring 5 is provided on the sliding seat 6. A first actuator 8 connected to the transmission gear 7 is provided on one side of the sliding seat 6, and one end of the spray pipe 2 is detachably connected to the sliding seat 6; the first actuator 8 is a rotating motor, and its output end is connected to the transmission gear 7, which can drive the transmission gear 7 to rotate, and the transmission gear 7 is meshed with the surface of the arc-shaped gear ring 5, so that the first actuator 8 can drive the sliding seat 6 to move on the arc-shaped gear ring 5; in addition, a driven wheel 15 is rotatably provided on the sliding seat 6, and the driven wheel 15 is against the inner wall of the arc-shaped gear ring 5; the driven wheel 15 corresponds to the transmission gear 7, so that the transmission gear 7 can be closely matched with the arc-shaped gear ring.

[0029] In this embodiment, the lining trolley 1 has the functions of lining the formwork and spraying the release agent. When lining the formwork, the spray pipe 2 is no longer used, that is, the spray pipe 2 needs to be removed; wherein, a positioning groove 9 is provided on the sliding seat 6, and positioning pins 10 that can be inserted into the positioning groove 9 are provided at both ends of the spray pipe 2. A limiting member 11 is provided on the sliding seat 6, and the limiting member 11 is used to limit the spray pipe 2 from being out of cooperation with the positioning groove 9; during installation, the positioning pin 10 at the end of the spray pipe 2 can be inserted into the positioning groove 9, and then the limiting member 11 is installed, so that the limiting member 11 limits the spray pipe 2 to prevent the positioning pin 10 from being out of cooperation with the positioning groove 9; wherein, the limiting member 11 can be specifically referred to Figure 5 As shown, the limiting member 11 includes limiting rods arranged on both sides of the positioning groove 9, wherein the upper end of the limiting rod on one side is rotatably provided with a push rod, and the other end of the push rod can be connected to the limiting rod on the other side by bolt locking. When installed, the spray tube 2 is located between the two limiting rods, and the push rod is located on the upper side of the spray tube 2, and its lower end face pushes against the side wall of the spray tube 2 to limit its disengagement from the positioning groove 9.

[0030] The sliding seat 6 is provided with a sliding groove 12, in which a sliding plate 13 is slidably arranged, one end of the sliding plate 13 passes through the sliding seat 6, the positioning groove 9 is provided at the end of the sliding plate 13 passing through the sliding seat 6, and the sliding seat 6 is provided with a locking member 14 for locking the sliding plate 13. Specifically, the locking member 14 is a screw, one end of which passes through the sliding groove 12 and abuts against the side wall of the sliding plate 13, and the screw cooperates with the sliding seat 6 through a thread; wherein The positioning groove 9 is provided on the sliding plate 13; in the present embodiment, the radius of the annular gear ring 5 should be less than or equal to the cross-sectional radius of the lining trolley 1, so as to prevent the annular gear ring 5 from interfering with the inner wall of the tunnel or the lining structure after casting when the lining trolley 1 is lining the formwork; during lining, the sliding plate 13 can be controlled to slide so that the sliding plate 13 slides to the innermost position; when spraying is required, the sliding plate 13 is slid again so that the sliding seat is away from the annular gear ring 5, and then the spraying pipe 2 is installed.

[0031] The feeding mechanism includes a storage box 16 arranged on the lining trolley 1, a pressure pump 17 is arranged on one side of the storage box 16, a feeding pipe 18 is arranged on the output end of the pressure pump 17 (a controller is also arranged on one side of the pressure pump 17 to control the opening and closing of the pressure pump 17), and the other end of the feeding pipe 18 is connected to the spray pipe 2; the storage box 16 is used to store the release agent (release oil), the pressure pump 17 can pump out the release agent, and its output end is connected to the feeding pipe 18, and the other end of the feeding pipe 18 is connected to the spray pipe 2, so that the spray pipe 2 can spray the release agent to realize the spraying function.

[0032] Since the feed pipe 18 is connected to the spray pipe 2, and the spray pipe 2 needs to move, the feed pipe 18 needs to follow the movement of the spray pipe 2, that is, the feed pipe 18 needs to be set to a predetermined length. A reel 19 is provided on one side of the storage box 16, and the feed pipe 18 is wound on the reel 19. A second actuator for driving the reel 19 to rotate is provided on one side of the storage box 16. The second actuator is a stepping motor. When the feed pipe 18 is not needed, the reel 19 can be controlled to rotate to reel up the feed pipe 18 to prevent the feed pipe 18 from being scattered.

[0033] Finally, it should be noted that the above implementation cases are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the above implementation cases, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the above implementation cases, or replace some of the technical features therein with equivalents. These modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the implementation cases of the utility model.

Claims

1. A secondary lining trolley, comprising a lining trolley (1), characterized in that: A spray pipe (2) is provided on one side of the lining trolley (1), and a plurality of spray ports are provided on the side wall of the spray pipe (2). A driving mechanism is provided on the lining trolley (1), and the driving mechanism is used to drive the spray pipe (2) to move along an arc track corresponding to the shape of the inner wall of the tunnel. A feeding mechanism connected to the spray pipe (2) is provided on the lining trolley (1) to convey a release agent when the spray pipe (2) moves. The driving mechanism comprises a group of arc-shaped toothed rings (5) arranged at the front and rear ends of the lining trolley (1), the arc-shaped toothed rings (5) corresponding to the shape of the inner wall of the tunnel, and the spraying pipe (2) is detachably arranged between the group of arc-shaped toothed rings (5) to limit the movement trajectory of the spraying pipe (2); The arc-shaped toothed ring (5) is provided with a sliding seat (6), the sliding seat (6) is provided with a transmission gear (7) meshing with the surface of the arc-shaped toothed ring (5), a first actuator (8) transmission-connected to the transmission gear (7) is provided on one side of the sliding seat (6), and one end of the spray pipe (2) is detachably connected to the sliding seat (6); The sliding seat (6) is provided with a positioning groove (9), and positioning pins (10) which can be inserted into the positioning groove (9) are provided at both ends of the spray pipe (2). A limiting member (11) is provided on the sliding seat (6), and the limiting member (11) is used to limit the spray pipe (2) from being disengaged from the positioning groove (9).

2. A secondary lining trolley according to claim 1, characterized in that: The spray pipe (2) is provided with a spray head (3) at the spray port, and the spray head (3) is provided with a spray regulating valve (4).

3. A secondary lining trolley according to claim 1, characterized in that: The sliding seat (6) is provided with a sliding groove (12), a sliding plate (13) is slidably arranged in the sliding groove (12), one end of the sliding plate (13) passes through the sliding seat (6), the positioning groove (9) is provided at the end of the sliding plate (13) passing through the sliding seat (6), and a locking member (14) for locking the sliding plate (13) is arranged on the sliding seat (6).

4. A secondary lining trolley according to claim 1, characterized in that: A driven wheel (15) is rotatably provided on the sliding seat (6), and the driven wheel (15) abuts against the inner wall of the arc-shaped gear ring (5).

5. The secondary lining trolley according to claim 1, characterized in that: The feeding mechanism comprises a storage box (16) arranged on the lining trolley (1), a pressure pump (17) being arranged on one side of the storage box (16), a feeding pipe (18) being arranged at the output end of the pressure pump (17), and the other end of the feeding pipe (18) being connected to the spray pipe (2).

6. A secondary lining trolley according to claim 5, characterized in that: A reel (19) is provided on one side of the storage box (16), the feed pipe (18) is wound around the reel (19), and a second actuator for driving the reel (19) to rotate is provided on one side of the storage box (16).

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