Cement conveying device for tunnel
By employing a cement conveying device that combines moving and driven components with a track during tunnel excavation, the problem of low handling efficiency in cement slurry conveying pipelines has been solved, achieving the effects of no manual handling and reduced accumulation and knotting.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-21
- Publication Date
- 2026-04-10
AI Technical Summary
During tunnel excavation, the existing cement slurry delivery pipelines have low handling efficiency and are prone to accumulation and knotting, leading to hose damage and blockage.
A cement conveying device that uses moving and driven components in conjunction with a track. The driving component drives the conveying pipe to move along the track, avoiding manual handling. The driven component and buffer component prevent accumulation and knotting.
It improves the handling efficiency of cement conveying pipes, reduces accumulation and knotting problems, and enhances the stability and service life of the conveying pipes.
Smart Images

Figure CN224104866U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to conveying device technical field especially relates to a cement conveying device for tunnel. BACKGROUND
[0002] In tunneling operation, shield machine equipment is usually used for tunneling work, and cement slurry needs to be externally transported to the tunneling end of the shield machine during tunneling. At present, cement slurry is transported to the shield machine through a pipeline. With continuous excavation of the shield machine, the position of the shield machine will constantly move. Therefore, the shield machine is connected with the cement slurry discharge port through a hose. When the hose is gradually straightened, the hose is disconnected from the cement slurry discharge port. The cement slurry discharge port is connected with a hard conveying pipe. After the hard conveying pipe is connected with the hose, the hose is in a curved state. When the hose is straightened again, the above steps are repeated. When the hose is connected with the hard conveying pipe again, the curved parts of the hose are all accumulated near the hard pipe. Manual pulling of the hose is required to arrange the hose in order, so as to prevent the hose from being damaged, blocked, and the like. Since the hose contains cement slurry, the weight of the hose is relatively large, and the conveying efficiency of the hose is relatively low. SUMMARY
[0003] Therefore, the utility model wants to solve the technical problem in providing a cement conveying device for tunnel, can improve conveying pipe conveying efficiency.
[0004] To solve the above technical problem, the utility model provides a cement conveying device for tunnel, which comprises a track, a moving assembly, a driven assembly, a first conveying pipe, wherein the moving assembly comprises a driving piece and a driving wheel, the output end of the driving piece is connected with the driving wheel, the driving wheel is abutted with the track, and the moving assembly can move along the track; the moving assembly can abut with the driven assembly, the driven assembly comprises a driven wheel, the driven wheel is abutted with the track, and the driven assembly can move along the track; the moving assembly and the driven assembly are both fixed with the first conveying pipe, the first conveying pipe can be bent, and when the moving assembly abuts with the driven assembly, the length of the first conveying pipe between the moving assembly and the driven assembly is greater than the distance between the moving assembly and the driven assembly.
[0005] In an embodiment of the utility model, a plurality of driven assemblies can move along the track, and adjacent two driven assemblies can abut. When adjacent two driven assemblies abut, the length of the first conveying pipe between adjacent two driven assemblies is greater than the distance between adjacent two driven assemblies.
[0006] In an embodiment of the utility model, the driven assembly comprises a first buffer piece, and the first buffer pieces of adjacent two driven assemblies can abut.
[0007] In one embodiment of the utility model, the driven assembly includes a support frame, the support frame includes two support plates arranged oppositely, and the driven wheel is rotationally connected with at least one of the support plates.
[0008] In one embodiment of the utility model, the track is located between the two support plates, at least two driven wheels are connected to opposite sides of the two support plates, and the driven wheels abut against the support sides of the track.
[0009] In one embodiment of the utility model, both of the support plates are rotationally connected with guide wheels, and the guide wheels abut against the edges of the track.
[0010] In one embodiment of the utility model, the driven assembly further includes a connecting seat and a pressing plate, the pressing plate is connected with a fastener, the fastener is also connected with the connecting seat, a clamping space is formed between the pressing plate and the connecting seat, the first conveying pipe penetrates through the clamping space, and the pressing plate and the connecting seat can clamp the first conveying pipe.
[0011] In one embodiment of the utility model, a second buffer is further arranged between the pressing plate and the first conveying pipe.
[0012] In one embodiment of the utility model, a fixing assembly is further included, the fixing assembly is connected with the track, the driven assembly is located between the moving assembly and the fixing assembly, and the driven assembly can abut against the fixing assembly.
[0013] In one embodiment of the utility model, a plurality of sensing elements are connected to the track, the moving assembly is connected with a sensing element, the sensing elements and the sensing element are both connected with a controller, and the end of the track is connected with a third buffer.
[0014] The above technical solution of the utility model has the following advantages compared with the prior art:
[0015] The cement conveying device for a tunnel can move the first conveying pipe by the cooperation of the moving assembly and the driven assembly with the track and the fixing of the moving assembly and the driven assembly with the first conveying pipe, so that the first conveying pipe can be moved without manual carrying, thereby improving the carrying efficiency of the first conveying pipe and avoiding the problems of accumulation and knotting of the first conveying pipe. The cement conveying device for a tunnel can carry a first conveying pipe with a relatively long length by the arrangement of multiple driven assemblies, thereby reducing the frequency of reconnection of the first conveying pipe and the second conveying pipe. BRIEF DESCRIPTION OF DRAWINGS
[0016] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further explained in detail.
[0017] Figure 1 It is the structure diagram of the cement conveying device for tunnel of the utility model;
[0018] Figure 2 It is the front view of driven assembly;
[0019] Figure 3 It is the side view of driven assembly;
[0020] Figure 4 It is Figure 1 Partial structure diagram.
[0021] Description of the drawings: 1, moving assembly;2, driven assembly;3, fixed assembly;4, track;5, first conveying pipe;6, second conveying pipe;7, third buffer;11, driving piece;12, driving wheel;13, sensing piece;21, support frame;22, driven wheel;23, guide wheel;24, first buffer;25, mounting plate;26, connecting seat;27, pressing plate;28, fastener;29, second buffer;41, first guide plate;42, baffle;43, second guide plate;44, first sensing piece;45, second sensing piece;46, third sensing piece. Specific embodiments
[0022] The utility model is further explained in combination with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model.
[0023] Referring to Figures 1 to 4 The utility model discloses a cement conveying device for tunnel, including: track 4;Moving assembly 1, the moving assembly 1 includes driving piece 11 and driving wheel 12, the output of driving piece 11 with driving wheel 12 is connected, driving wheel 12 with track 4 is resisted, the moving assembly 1 can move along track 4;Driven assembly 2, the moving assembly 1 can with driven assembly 2 is resisted, driven assembly 2 includes driven wheel 22, driven wheel 22 with track 4 is resisted, driven assembly 2 can move along track 4;First conveying pipe 5, the moving assembly 1 with driven assembly 2 all with first conveying pipe 5 is fixed, first conveying pipe 5 can be bent, when the moving assembly 1 with driven assembly 2 is resisted, the length of first conveying pipe 5 between the moving assembly 1 with driven assembly 2 is greater than the distance between the moving assembly 1 with driven assembly 2.
[0024] The tunnel cement conveying device of the embodiment is arranged on a shield machine device, one end of the first conveying pipe 5 is connected with the shield machine device, the other end of the first conveying pipe 5 is connected with an external cement slurry conveying pipe, when the first conveying pipe 5 is connected with the external cement slurry conveying pipe, the moving assembly 1 moves away from the cement slurry conveying pipe, in the moving process, the moving assembly 1 abuts against the driven assembly 2 and drives the driven assembly 2 to move together, because the length of the first conveying pipe 5 between the moving assembly 1 and the driven assembly 2 is greater than the distance between the moving assembly 1 and the driven assembly 2, therefore the first conveying pipe 5 is in a curved state, after the shield machine device works, the shield machine device continuously moves, so that the distance between the shield machine device and the cement slurry conveying pipe gradually increases, therefore the first conveying pipe 5 is gradually straightened, at the same time, the driven assembly 2 and the moving assembly 1 move along the track 4. Through the cooperation of the moving assembly 1, the driven assembly 2 and the track 4, and the fixing of the moving assembly 1, the driven assembly 2 and the first conveying pipe 5, the moving assembly 1 can drive the first conveying pipe 5 to move, without manual carrying, so that the carrying efficiency of the first conveying pipe 5 is improved, and the problems of accumulation and knotting of the first conveying pipe 5 can be avoided.
[0025] Referring to Figure 3 The track 4 can be regarded as an I-shaped track 4 with an I-shaped cross section, the track 4 is connected with the shield machine device, the track 4 comprises a first guide plate 41, a second guide plate 43 and a baffle plate 42, the baffle plate 42 is connected to the middle position between the first guide plate 41 and the second guide plate 43, the first guide plate 41 is located at the bottom, and the second guide plate 43 is located at the top and is fixedly connected with the shield machine device.
[0026] Referring to Figure 1 The first conveying pipe 5 is used for conveying cement slurry, the first conveying pipe 5 can be bent, that is, the first conveying pipe 5 is a flexible pipe, the moving assembly 1 and the driven assembly 2 are fixed with the first conveying pipe 5, so that the moving assembly 1 and the driven assembly 2 can drive the first conveying pipe 5 to move. When the moving assembly 1 abuts against the driven assembly 2, the length of the first conveying pipe 5 between the moving assembly 1 and the driven assembly 2 is greater than the distance between the moving assembly 1 and the driven assembly 2, that is, the first conveying pipe 5 between the moving assembly 1 and the driven assembly 2 is in a curved state.
[0027] Referring to Figure 2 and Figure 3As shown, the driven assembly 2 comprises a driven wheel 22, the driven wheel 22 abuts against the track 4, and the driven assembly 2 can move along the track 4. Preferably, a plurality of driven assemblies 2 can move along the track 4, that is, a plurality of driven assemblies 2 are sequentially arranged on the track 4, and adjacent two driven assemblies 2 can abut against each other. When the adjacent two driven assemblies 2 abut against each other, the length of the first conveying pipe 5 between the adjacent two driven assemblies 2 is greater than the distance between the adjacent two driven assemblies 2, that is, the first conveying pipe 5 between the adjacent two driven assemblies 2 is in a curved state. The driven assembly 2 comprises a first buffer 24, and the first buffers 24 of the adjacent two driven assemblies 2 can abut against each other. Specifically, the driven assembly 2 comprises a support frame 21, the support frame 21 comprises two support plates arranged opposite to each other, and the first buffer 24 is connected to the side of the support plates away from each other, that is, the first buffer 24 is connected to the outer side of the support plates and extends away from the support frame 21. When the adjacent two driven assemblies 2 abut against each other, the two first buffers 24 abut against each other, thereby buffering the collision of the driven assembly 2 and avoiding damage to the driven assembly 2.
[0028] The driven wheel 22 of the driven assembly 2 is rotatably connected with at least one support plate. Specifically, the support frame 21 further comprises a connecting plate connected between the two support plates and located at the bottom end of the support plates. The track 4 is located between the two support plates, and at least two driven wheels 22 are respectively connected to the opposite sides of the two support plates. In the embodiment, the driven assembly 2 comprises four driven wheels 22, and the distances between the four driven wheels 22 and the connecting plate are the same. The driven wheels 22 all abut against the top side of the first guide plate 41 of the track 4, and the driven wheels 22 are located on both sides of the baffle 42 and have a gap between the driven wheels 22 and the baffle 42. By rotating the driven wheels 22, the driven assembly 2 can move along the track 4.
[0029] The two support plates are both rotatably connected with a guide wheel 23, the guide wheel 23 abuts against the two side edges of the first guide plate 41 of the track 4, the distances between the guide wheels 23 and the connecting plate are equal, and the guide wheels 23 penetrate through the support plates, and the central axis of the guide wheel 23 is perpendicular to the central axis of the driven wheel 22. By arranging the guide wheel 23, the shaking of the driven assembly 2 during movement along the track 4 can be prevented, thereby making the movement of the driven assembly 2 more stable.
[0030] The driven assembly 2 further comprises a connecting seat 26 and a pressing plate 27, the pressing plate 27 is connected with a fastener 28, which can be regarded as a bolt, the fastener 28 is further connected with the connecting seat 26, the connecting seat 26 is connected with the connecting plate through the mounting plate 25, a clamping space is formed between the pressing plate 27 and the connecting seat 26, the first conveying pipe 5 penetrates the clamping space along the moving direction of the driven assembly 2, the pressing plate 27 is abutted with the first conveying pipe 5 by locking the fastener 28, so that the first conveying pipe 5 is clamped between the pressing plate 27 and the connecting seat 26, and then the first conveying pipe 5 is fixed with the driven assembly 2. Preferably, a second buffer 29 is further arranged between the pressing plate 27 and the first conveying pipe 5, the second buffer 29 is composed of flexible or elastic material, and the second buffer 29 can avoid damage to the first conveying pipe 5 when it is clamped between the pressing plate 27 and the connecting seat 26.
[0031] Referring to Figure 4 As shown in the figure, the moving assembly 1 comprises a driving member 11 and a driving wheel 12, the driving member 11 can be regarded as a motor, the output end of the driving member 11 is connected with the driving wheel 12, the driving wheel 12 is abutted with the track 4, so that the moving assembly 1 moves along the track 4. The structure and arrangement mode of the driving wheel 12 are the same as those of the driven wheel 22, the fixing mode of the driving assembly and the first conveying pipe 5 is the same as that of the driven assembly 2, and the driving assembly also comprises a first buffer 24 and is arranged in the same way as the driven assembly 2, which will not be described in detail. The moving assembly 1 further comprises a brake member, the output end of the brake member can be abutted with the first guide plate 41 to stop the movement of the moving assembly 1.
[0032] Further comprising a fixed assembly 3, the fixed assembly 3 is fixedly connected with the first guide plate 41 of the track 4 through bolts, the fixed assembly 3 is located on the track 4 close to the position of the tunneling machine equipment, a plurality of driven assemblies 2 are located between the moving assembly 1 and the fixed assembly 3, the driven assembly 2 close to the fixed assembly 3 can be abutted with the fixed assembly 3, and the fixed assembly 3 is located at the limit position where the driven assembly 2 can move. The fixed assembly 3 can also fix the first conveying pipe 5, the fixed assembly 3 and the first conveying pipe 5 are fixed in the same way as the driven assembly 2, and the fixed assembly 3 also comprises a first buffer 24 and is arranged in the same way as the driven assembly 2, which will not be described in detail. The end of the first conveying pipe 5 close to the fixed assembly 3 is connected with the tunneling machine equipment.
[0033] The track 4 is also connected with a plurality of sensing members, which can be regarded as position sensors. The moving assembly 1 is connected with a sensing member 13, and the sensing members and the sensing member 13 are connected with a controller. When the sensing member 13 moves to the position of the sensor, the controller can receive a signal. In the embodiment, the track 4 is connected with three sensing members, which are a first sensing member 44, a second sensing member 45 and a third sensing member 46. The first sensing member 44 is located at the position of the moving assembly 1 when the moving assembly 1 abuts against the driven assembly 2 and the fixed assembly 3. The second sensing member 45 is located at the position of the moving assembly 1 when the first conveying pipe 5 is about to be straightened. The third sensing member 46 is located at the position of the moving assembly 1 when the first conveying pipe 5 can be stretched to the limit. The track 4 is also connected with a third buffer member 7 at the end away from the shield machine device. The third buffer member 7 is used to abut against the moving assembly 1, so as to prevent the moving assembly 1 from being separated from the track 4. The controller is also provided with an alarm and an operation panel, which is used to control the movement of the moving assembly 1.
[0034] The second conveying pipe 6 is also included, which is a hard pipe and is connected with the sidewall of the tunnel. The second conveying pipe 6 is sequentially connected with and connected with an external cement slurry discharge port. The second conveying pipe 6 is also connected with the first conveying pipe 5.
[0035] In use, one end of the first conveying pipe 5 is connected with the shield machine device, and the other end of the first conveying pipe 5 is connected with the second conveying pipe 6. When the first conveying pipe 5 is connected with the second conveying pipe 6, the moving assembly 1 moves away from the second conveying pipe 6. During the movement, the moving assembly 1 abuts against the driven assembly 2 and drives the driven assembly 2 to move together, until the moving assembly 1 moves to the position of the first sensing member 44. At this time, the driving member 11 stops working. When the moving assembly 1 continues to move on the track 4 for a certain period of time, the brake member starts to work, so that the moving assembly 1 stops moving. After a certain period of time, the brake member stops working. As the shield machine device works, the distance between the shield machine device and the second conveying pipe 6 gradually increases. At this time, the first conveying pipe 5 is gradually straightened, and the driven assembly 2 and the moving assembly 1 move along the track 4. When the moving assembly 1 moves to the position of the second sensing member 45, the alarm gives an alarm. A person disconnects the first conveying pipe 5 from the second conveying pipe 6, and then connects another second conveying pipe 6. Then the first conveying pipe 5 is connected with the connected second conveying pipe 6, and then the above steps are repeated. When the moving assembly 1 moves to the position of the third sensing member 46, the brake member starts to work, so that the moving assembly 1 cannot move on the track 4.
[0036] The utility model discloses a cement conveying device for tunnel, through the cooperation of moving assembly 1 and driven assembly 2 with track 4, and the fixing of moving assembly 1 and driven assembly 2 with first conveying pipe 5, to make moving assembly 1 can drive first conveying pipe 5 remove, do not need manual carrying, to improve the carrying efficiency of first conveying pipe 5, can also avoid the accumulation and knot problem of first conveying pipe 5. Through the setting of multiple driven assemblies 2, make cement conveying device for tunnel can bear the first conveying pipe 5 of lengthier length, to reduce the frequency of first conveying pipe 5 and second conveying pipe 6 reconnection.
[0037] Obviously, the above embodiments are only examples for clearly illustrating, not limiting the embodiments. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the embodiments need not and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.
Claims
1. A cement delivery device for use in tunneling, characterized in that, The utility model relates to a kind of conveying device, comprising: Track; Moving assembly, the output of the driving piece is connected with the driving wheel, the driving wheel is resisted with the track, the moving assembly can move along the track; Driven assembly, the moving assembly can be resisted with the driven assembly, the driven assembly includes driven wheel, the driven wheel is resisted with the track, the driven assembly can move along the track; First conveying pipe, the moving assembly and the driven assembly are fixed with the first conveying pipe, the first conveying pipe can be bent, when the moving assembly is resisted with the driven assembly, the length of the first conveying pipe between the moving assembly and the driven assembly is greater than the distance between the moving assembly and the driven assembly.
2. The tunnel cement delivery apparatus of claim 1, wherein: Multiple driven assemblies can move along the track, and adjacent two driven assemblies can be resisted, when adjacent two driven assemblies are resisted, the length of the first conveying pipe between adjacent two driven assemblies is greater than the distance between adjacent two driven assemblies.
3. The tunnel cement delivery apparatus of claim 1, wherein: The driven assembly includes first buffer, the first buffer of adjacent two driven assemblies can be resisted.
4. The tunnel cement delivery apparatus of claim 1, wherein: The driven assembly includes support frame, the support frame includes two oppositely arranged support plates, and the driven wheel is rotationally connected with at least one support plate.
5. The tunnel cement delivery apparatus of claim 4, wherein: The track is located between the two support plates, and at least two driven wheels are connected to the opposite sides of the two support plates, respectively, and the driven wheel is resisted with the support side of the track.
6. The tunnel cement delivery apparatus of claim 4, wherein: Both of the two support plates are rotationally connected with guide wheels, and the guide wheels are resisted with the edge of the track.
7. The tunnel cement delivery apparatus of claim 1, wherein: The driven assembly further includes connecting seat and pressing plate, the pressing plate is connected with fastener, the fastener is further connected with the connecting seat, the pressing plate and the connecting seat form clamping space, the first conveying pipe penetrates the clamping space, and the pressing plate and the connecting seat can clamp the first conveying pipe.
8. A cement delivery device for tunnels according to claim 7, characterized in that: Second buffer is further provided between the pressing plate and the first conveying pipe.
9. The tunnel cement delivery apparatus of claim 1, wherein: Further comprising fixing assembly, the fixing assembly is connected with the track, the driven assembly is located between the moving assembly and the fixing assembly, and the driven assembly can be resisted with the fixing assembly.
10. The tunnel cement delivery apparatus of claim 1, wherein: The track is connected with multiple sensing elements, the moving assembly is connected with inductive element, the sensing element and the inductive element are connected with controller, and the end of the track is connected with third buffer.