Pipe jacking rack for arched section pipe roof group construction

Abstract

The utility model provides a pipe jacking rack for arched section pipe roof group construction, which relates to the technical field of pipe jacking racks, and comprises a support frame and support legs, the inner side of the support frame is fixedly connected with a cross beam: a linear moving assembly, the linear moving assembly comprises slide rails fixedly arranged at the top ends of the support frame, the support legs and the cross beam; wherein the outer side of one sliding rail is in sliding connection with a first sliding block, the outer side of the other sliding rail is in sliding connection with a second sliding block, and the outer side of the last sliding rail is in sliding connection with a third sliding block; according to the design, stable supporting is formed through three-point supporting, the stability and the accurate position of the pipe body are effectively guaranteed, when the sliding block breaks down, the air cylinder drives the supporting frame and the sliding groove to conduct linear displacement, it is guaranteed that loads are stably transferred, pipe roofing instability is avoided, shutdown disassembly and maintenance are not needed, construction interruption is avoided, and the construction efficiency is improved. And the maintenance time and cost are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to a top pipe frame for arch section pipe curtain group construction. BACKGROUND

[0002] The top pipe frame in arch section pipe curtain group construction is an important component of the top pipe machine, which mainly provides stable support and installation platform for the top pipe machine, and ensures that the top pipe machine can accurately top into the predetermined position during the construction process.

[0003] The existing part of the top pipe frame, if the main slide rail fails, the slide rail damage will cause the stability of the top pipe machine to decline, and the normal work of the top pipe machine will be affected. At this time, the top pipe frame must be stopped, disassembled and repaired. This process not only consumes time and effort, but also directly causes the delay of the construction period and increases the construction cost.

[0004] Therefore, the utility model provides a top pipe frame for arch section pipe curtain group construction. UTILITY MODEL CONTENT

[0005] The utility model aims at solving the shortcomings in the prior art, and provides a top pipe frame for arch section pipe curtain group construction.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a top pipe frame for arch section pipe curtain group construction, comprising a support frame and a support leg, the inner side of the support frame is fixedly connected with a cross beam:

[0007] Linear movement assembly, the linear movement assembly comprises a slide rail fixedly arranged at the top end of the support frame, the support leg and the cross beam;

[0008] Among them, the outer side of one of the slide rails is slidably connected with a first sliding block, the outer side of another slide rail is slidably connected with a second sliding block, and the outer side of the last slide rail is slidably connected with a third sliding block;

[0009] Contact support assembly, the contact support assembly is arranged at the top end of the linear movement assembly, and the contact support assembly comprises a bottom support plate, a side support plate and an auxiliary positioning plate;

[0010] Adjusting assembly, the adjusting assembly is arranged at the top end of the linear movement assembly, and the adjusting assembly comprises a rotating shaft fixedly connected with the top end of the third sliding block, a positioning rotating block fixedly connected with the outer side of the rotating shaft, and a gas cylinder arranged on the outer side of the positioning rotating block.

[0011] As a preferred embodiment, the slide rails are arranged in parallel along the axis direction of the support frame, the support leg and the cross beam.

[0012] As a preferred implementation form, the driving end of the air cylinder is connected to the positioning rotating block through a hinge.

[0013] As a preferred implementation form, the contact surfaces of the support plate, the side support plate and the auxiliary positioning plate are arc-shaped contours, which are adapted to the curvature of the arched section pipe curtain.

[0014] As a preferred implementation form, a sliding groove is formed in the support frame, and the outer side of the air cylinder is connected to the support frame through the sliding groove.

[0015] As a preferred implementation form, the sliding groove is a strip-shaped through hole penetrating through the support frame, and the length direction of the sliding groove is consistent with the extension direction of the sliding rail.

[0016] As a preferred implementation form, the top end of the first sliding block is fixedly connected to the bottom end of the bottom support plate, the top end of the second sliding block is fixedly connected to the bottom end of the side support plate, and the top end of the third sliding block is fixedly connected to the bottom end of the auxiliary positioning plate.

[0017] The technical effects of the above technical solution are:

[0018] Compared with the prior art, the utility model has the advantages and positive effects that:

[0019] The utility model discloses a starting air cylinder is set up, and the driving end pushes or pulls the positioning rotating block, makes it rotate around the rotating shaft. The rotating shaft is connected with the third sliding block, and the positioning rotating block is adjusted in angle by the air cylinder drive. When the pipe jacking machine is driven, the auxiliary positioning plate is moved, and the first sliding block and the second sliding block slide on the sliding rail, and drive the bottom support plate and the side support plate to move along the axial direction. The bottom support plate vertically jacks up and bears the weight of the pipe body, and the side support plate laterally abuts and restricts the side displacement of the pipe curtain. The auxiliary positioning plate locks the spatial position of the pipe body through angle adjustment, and the three form three-point self-adaptive support. This design forms stable support through three-point support, effectively guarantees the stability and accurate position of the pipe body. When the sliding block fails, the linear displacement of the support frame and the sliding groove is ensured by the air cylinder drive, the load is smoothly transferred, the pipe curtain is prevented from being unstable, and the machine does not need to be stopped and disassembled and maintained, the construction is not interrupted, and the maintenance time and cost are reduced. ACCURACY OF DRAWINGS

[0020] Figure 1 A perspective view of a pipe jacking machine frame for arched section pipe curtain group construction is provided.

[0021] Figure 2 A support frame structure schematic view of a pipe jacking machine frame for arched section pipe curtain group construction is provided.

[0022] Figure 3The utility model provides a kind of for the contact support subassembly structural diagram of pipe jacking rack of arch section pipe curtain group construction.

[0023] Figure 4 The utility model provides a kind of for the linear movement subassembly structural diagram of pipe jacking rack of arch section pipe curtain group construction.

[0024] Figure 5 The utility model provides a kind of for the adjusting subassembly structural diagram of pipe jacking rack of arch section pipe curtain group construction.

[0025] Legend:

[0026] 1, support frame;2, support leg;3, crossbeam;

[0027] 4, linear movement subassembly;41, slide rail;42, first slider;43, second slider;44, third slider;

[0028] 5, contact support subassembly;51, bottom support plate;52, side support plate;53, auxiliary positioning plate;

[0029] 6, adjusting subassembly;61, sliding slot;62, air cylinder;63, positioning rotating block;64, rotating shaft. Specific implementation

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the utility model.

[0031] As Figure 1 - Figure 2 The utility model provides a kind of for the technical scheme of arch section pipe curtain group construction's pipe jacking rack, including support frame 1 and support leg 2, the inside fixed connection of support frame 1 has crossbeam 3;

[0032] Support frame 1 as the basic frame structure of entire pipe jacking rack, bears the main body weight of entire equipment and the various acting forces generated in the construction process, support leg 2 and support frame 1 and crossbeam 3 jointly constitute stable support structure, increase the anti-overturning ability and anti-deformation ability of entire equipment in the working process, crossbeam 3 is fixedly connected in the inside of support frame 1, plays the role of transverse support and connection, strengthens the overall rigidity and strength of support frame 1;

[0033] As Figure 1 - Figure 4As shown, the linear moving assembly 4, the linear moving assembly 4 includes fixedly arranged in the support frame 1, support leg 2 and the top of the crossbeam 3 slide rail 41;Among them, one of the outer side of the slide rail 41 is connected with the first slider 42, the outer side of the other slide rail 41 is connected with the second slider 43, the outer side of the last slide rail 41 is connected with the third slider 44, and the slide rail 41 is arranged in parallel with the axis direction of the support frame 1, support leg 2 and crossbeam 3;

[0034] The slide rail 41 is arranged in parallel with the axis direction of the support frame 1, support leg 2 and crossbeam 3, which provides accurate guide track for the first slider 42, second slider 43 and third slider 44. By sliding the first slider 42, second slider 43 and third slider 44 on the slide rail 41, the position adjustment and positioning of the contact support assembly 5 in the axis direction are realized, and it is ensured that the contact support assembly 5 can accurately support and position the pipe body;

[0035] As shown in Figure 1 - Figure 3 The contact support assembly 5, the contact support assembly 5 is placed at the top of the linear moving assembly 4, the contact support assembly 5 includes a bottom support plate 51, a side support plate 52 and an auxiliary positioning plate 53, the contact surface of the bottom support plate 51, the side support plate 52 and the auxiliary positioning plate 53 is arc-shaped contour, which is suitable for the curvature of the arched cross-section pipe curtain, the top end of the first slider 42 is fixedly connected to the bottom end of the bottom support plate 51, the top end of the second slider 43 is fixedly connected to the bottom end of the side support plate 52, and the top end of the third slider 44 is fixedly connected to the bottom end of the auxiliary positioning plate 53;

[0036] The bottom support plate 51 is fixedly connected to the top end of the first slider 42, used for supporting the bottom of the pipe body, bearing the weight of the pipe body in the vertical direction, providing a stable bottom support point for the pipe body, the side support plate 52 is fixedly connected to the top end of the second slider 43, mainly for supporting the side of the pipe body, providing lateral support force, preventing the pipe body from being deformed or displaced laterally during the jacking process due to lateral pressure or its own gravity, the auxiliary positioning plate 53 is fixedly connected to the top end of the third slider 44, which plays an auxiliary positioning role, cooperates with the bottom support plate 51 and the side support plate 52, and further improves the positioning accuracy of the pipe body in space, ensuring the accurate position of the pipe body during installation and jacking;

[0037] As shown in Figure 3 - Figure 5As shown, the adjusting assembly 6 is arranged at the top end of the linear moving assembly 4, the adjusting assembly 6 comprises a rotating shaft 64 fixedly connected at the top end of the third sliding block 44, the rotating shaft 64 is fixedly connected with a positioning rotating block 63 outside, the positioning rotating block 63 is provided with a pneumatic cylinder 62 outside, the driving end of the pneumatic cylinder 62 is connected with the positioning rotating block 63 through hinging, the support frame 1 is internally provided with a sliding slot 61, the outside of the pneumatic cylinder 62 is connected with the support frame 1 through the sliding slot 61, the sliding slot 61 is a strip-shaped through hole penetrating through the support frame 1, and the length direction is consistent with the extension direction of the sliding rail 41;

[0038] The rotating shaft 64 serves as the rotating center of the positioning rotating block 63, the rotating shaft 64 is fixedly connected at the top end of the third sliding block 44, and provides stable support and rotating shaft center for the positioning rotating block 63, so as to realize the adjustment of the position of the pipe jacking frame, the positioning rotating block 63 is fixedly connected outside the rotating shaft 64, on one hand, forms rigid connection with the rotating shaft 64, and on the other hand, is connected with the driving end of the pneumatic cylinder 62 through hinging, plays the role of connecting the rotating shaft 64 and the pneumatic cylinder 62, converts the linear motion of the pneumatic cylinder 62 into the rotation of itself, so as to realize the adjustment of the posture or position of the pipe jacking frame, the pneumatic cylinder 62 serves as the power source of the adjusting assembly 6, the pneumatic cylinder 62 provides power for the rotation of the positioning rotating block 63 through the telescopic motion of the driving end, when it is needed to adjust the posture or position of the pipe jacking frame, the pneumatic cylinder 62 performs telescopic action according to the control signal, pushes or pulls the positioning rotating block 63 to rotate around the rotating shaft 64, so as to realize the accurate adjustment of the pipe jacking frame, the sliding slot 61 is arranged inside the support frame 1, provides guiding and limiting effects for the outside of the pneumatic cylinder 62, the pneumatic cylinder 62 is connected with the support frame 1 through the sliding slot 61, so that it can stably perform linear motion along the length direction of the sliding slot 61 during the working process, and ensures that the action direction of the pneumatic cylinder 62 is consistent with the adjustment direction of the pipe jacking frame;

[0039] As shown in Figure 1 - Figure 5 As shown in

[0040] In use: first, start the air cylinder 62, the driving end pushes or pulls the positioning rotating block 63 through the hinged structure; then drive the positioning rotating block 63 to rotate around the rotating shaft 64, because the rotating shaft 64 is connected with the third sliding block 44, so that the positioning rotating block 63 is adjusted in angle under the driving of the air cylinder 62; at this time, the pipe jacking machine can drive the auxiliary positioning plate 53 fixed to the top end of the third sliding block 44 to move when driving, and the first sliding block 42 and the second sliding block 43 slide on the corresponding slide rails 41 respectively, the driving bottom support plate 51 and the side support plate 52 move along the axis direction, so as to drive the bottom support plate 51 to vertically jack up to bear the weight of the pipe body, the side support plate 52 is transversely abutted to constrain the side displacement of the pipe curtain, and the auxiliary positioning plate 53 further locks the spatial position of the pipe body through angle adjustment, and the three form a three-point self-adaptive supporting effect. When the first sliding block 42 and the second sliding block 43 are damaged, the support of the air cylinder 62 will linearly displace the sliding groove 61 of the support frame 1, so that the third sliding block 44 moves to the preset safe position; so as to realize the smooth transfer of the load, avoid the instability of the pipe curtain or the interruption of construction.

[0041] The above is only a preferred embodiment of the present application, and does not limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present application still belong to the protection scope of the present application.

Claims

1. A pipe jacking frame for arched cross-section pipe curtain construction, comprising a support frame (1) and support legs (2), wherein a crossbeam (3) is fixedly connected to the inner side of the support frame (1); characterized in that: A linear motion assembly (4) includes a slide rail (41) fixedly mounted on the top of the support frame (1), the support leg (2) and the crossbeam (3); Among them, the outer side of one of the slide rails (41) is slidably connected to a first slider (42), the outer side of another slide rail (41) is slidably connected to a second slider (43), and the outer side of the last slide rail (41) is slidably connected to a third slider (44). Contact support assembly (5), which is placed at the top of linear moving assembly (4), and includes a bottom support plate (51), a side support plate (52) and an auxiliary positioning plate (53); Adjustment component (6) is located at the top of linear movement component (4). The adjustment component (6) includes a rotating shaft (64) fixedly connected to the top of the third slider (44). A positioning rotating block (63) is fixedly connected to the outside of the rotating shaft (64). A cylinder (62) is provided on the outside of the positioning rotating block (63).

2. The pipe jacking frame for arched cross-section pipe curtain construction according to claim 1, characterized in that: The slide rail (41) is arranged parallel to the axis of the support frame (1), support leg (2) and crossbeam (3).

3. The pipe jacking frame for arched cross-section pipe curtain construction according to claim 1, characterized in that: The drive end of the cylinder (62) is connected to the positioning rotating block (63) by a hinge.

4. The pipe jacking frame for arched cross-section pipe curtain construction according to claim 1, characterized in that: The contact surfaces of the support plate (51), the side support plate (52) and the auxiliary positioning plate (53) are arc-shaped to match the curvature of the arched cross-section pipe curtain.

5. A pipe jacking frame for arched cross-section pipe curtain construction according to claim 1, characterized in that: The support frame (1) has a sliding groove (61) inside, and the outer side of the cylinder (62) is connected to the support frame (1) through the sliding groove (61).

6. A pipe jacking frame for arched cross-section pipe jacking construction according to claim 5, characterized in that: The groove (61) is a strip-shaped through hole that passes through the support frame (1), and its length direction is consistent with the extension direction of the slide rail (41).

7. A pipe jacking frame for arched cross-section pipe curtain construction according to claim 1, characterized in that: The top end of the first slider (42) is fixedly connected to the bottom end of the bottom support plate (51), the top end of the second slider (43) is fixedly connected to the bottom end of the side support plate (52), and the top end of the third slider (44) is fixedly connected to the bottom end of the auxiliary positioning plate (53).

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