Underground construction ventilation pipe straightening device

Abstract

The utility model relates to the technical field of underground cavern construction, in particular to an underground construction ventilation pipe straightening device which comprises a clamping assembly, an inner clamping component and an outer clamping component arranged on the outer side of the inner clamping component. The air pipe is protected as much as possible while being straightened, damage to the air pipe is avoided, and meanwhile the clamping size of the inner clamping component and the outer clamping component can be adjusted so that the air pipe straightening device can be suitable for air pipes of various sizes; the straightening assembly comprises a winding drum and a U-shaped frame arranged on the side face of the winding drum, and the device is fixed to a top arch anchor rod or a reinforcing steel bar on a construction site through the U-shaped frame. The air duct straightening device has the advantages that the clamping assembly and the air duct are easily pulled in the direction close to a constructor through the straightening assembly so that the air duct can be tensioned, the labor intensity of the constructor can be relieved, and meanwhile the clamping size of the inner clamping component and the outer clamping component can be adjusted so that the air duct straightening device can be suitable for air ducts of various sizes.

Description

Technical Field

[0001] The utility model relates to the technical field of underground cavern construction, in particular to a ventilation pipe straightening device for underground construction. Background Art

[0002] The straight installation of the air duct is of great significance to the quality of ventilation in underground cavern construction. One of the prerequisites for the straight installation of the air duct is to tighten and straighten the air duct during the installation process. If the air duct is not straightened during the installation process and there are wrinkled areas, the air duct is very likely to bend during the ventilation process, thereby increasing the ventilation resistance, reducing the ventilation efficiency, and causing adverse effects on the image of civilized construction on site. At present, the pulling of the air duct during the installation of the construction ventilation air duct basically relies on the brute force of the workers to pull the wind belt, which often leads to unstable installation quality of the wind belt. When the weight of the air duct is large, it is difficult for workers working on the aerial platform to straighten the air duct.

[0003] Therefore, there is an urgent need for a duct straightening device that can help workers to straighten the duct, reduce the workers' labor intensity, and improve the quality and efficiency of duct installation. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the specification abstract and utility model name of this application to avoid blurring the purpose of this section, specification abstract and utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the technical problems in the above-mentioned prior art that the air belt is manually pulled, which often leads to unstable installation quality of the air belt and it is difficult for workers on a aerial platform to straighten the air duct when the air duct is heavy, the present utility model is proposed.

[0006] The utility model aims to provide a ventilation pipe straightening device for underground construction.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions: a device for straightening underground construction ventilation pipes, comprising a clamping assembly, including an inner clamping member and an outer clamping member arranged on the outside of the inner clamping member; and a straightening assembly, including a winding drum and a U-shaped frame arranged on the side of the winding drum.

[0008] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, the inner clamping component includes a center rod, an expansion rod is provided on the inner wall of the center rod, a rotating block is provided at the bottom of the expansion rod, a rocker arm is provided on the outer wall of the rotating block, a sliding rod is provided at one end of the rocker arm away from the rotating block, and an inner clamping rod is provided at one end of the sliding rod.

[0009] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, the outer wall of the sliding rod is provided with a support plate, the bottom of the support plate is provided with a through groove for the sliding of the sliding rod, and the side surface of the support plate is connected to the center rod.

[0010] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, wherein: a holding ring is arranged on the top outer wall of the central rod, and a tightening ring is arranged on the top of the holding ring.

[0011] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, wherein: a connecting block is arranged on the top of the expansion rod, and a connecting ring is arranged on the top of the connecting block.

[0012] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, wherein: the outer clamping member includes an outer clamping frame arranged on the outer wall of the center rod, the inner wall of the outer clamping frame is provided with a curved arm, the top of the curved arm is provided with a stop stick, the bottom of the curved arm is provided with an outer clamping roller, the side of the curved arm is provided with an elastic member, and the end of the elastic member away from the curved arm is connected to the outer clamping frame.

[0013] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, a top cone is arranged on the top of the curved arm, the inner wall of the top cone is connected to the center rod, and the outer wall of the top cone is in contact with the stop rod.

[0014] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, wherein: the outer wall of the winding drum is provided with a twisted rope, and one end of the twisted rope away from the winding drum is connected to the connecting ring.

[0015] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, end covers are provided at both ends of the winding drum, a lifting ring is provided on the top of the end cover, a fixed plate is provided on the side of the end cover, a ratchet is provided on the side of the fixed plate, a ratchet is provided on the side of the ratchet, a ratchet is provided on the side of the ratchet, a spring plate is provided on the top of the ratchet, the top of the spring plate is connected to the fixed plate, and a rotating rod is provided on the side of the ratchet.

[0016] As a preferred solution of the underground construction ventilation pipe straightening device of the utility model, the side of the U-shaped frame is connected to the end cover, and a fixing hook is provided at one end of the U-shaped frame away from the end cover.

[0017] The beneficial effects of the underground construction ventilation pipe straightening device of the utility model are: the straightening component is used to easily pull the clamping component and the air duct towards the construction personnel to tighten the air duct and reduce the labor intensity of the construction personnel; at the same time, the inner clamping component and the outer clamping component can adjust the clamping size to be suitable for air ducts of various sizes; the outer clamping component and the inner clamping component are used to clamp the air duct, and the air duct is protected as much as possible while being straightened to avoid damage to the air duct. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0019] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0020] Figure 2 It is a structural schematic diagram of the inner clamping component in the utility model.

[0021] Figure 3 It is a structural schematic diagram of the outer clamping member in the utility model.

[0022] Figure 4 It is a structural schematic diagram of the straightening component in the utility model. DETAILED DESCRIPTION

[0023] In order to make the above-mentioned purposes, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0025] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0026] Example 1, reference Figure 1, which is the first embodiment of the utility model, and the embodiment provides an underground construction ventilation pipe straightening device, including a clamping assembly 100, including an inner clamping member 101 and an outer clamping member 102 arranged on the outer side of the inner clamping member 101, the outer clamping member 102 cooperates with the inner clamping member 101 to clamp the air duct, and protects the air duct as much as possible while straightening the air duct to avoid damage to the air duct, and the inner clamping member 101 and the outer clamping member 102 can adjust the clamping size to be suitable for air ducts of various sizes; and a straightening assembly 200, including a winding drum 201 and a U-shaped frame 210 arranged on the side of the winding drum 201, the U-shaped frame 210 is used to fix the device on the top arch anchor rod or steel bar at the construction site, and the straightening assembly 200 is used to easily pull the clamping assembly 100 and the air duct towards the construction personnel to tighten the air duct and reduce the labor intensity of the construction personnel.

[0027] Usage process: Use the U-shaped frame 210 to fix the device on the top arch anchor rod or steel bar at the construction site, and use the outer clamping member 102 and the inner clamping member 101 to clamp the air duct. While straightening the air duct, try to protect the air duct to avoid damage to the air duct. Use the straightening component 200 to easily pull the clamping component 100 and the air duct towards the construction personnel to tighten the air duct and reduce the labor intensity of the construction personnel. At the same time, the inner clamping member 101 and the outer clamping member 102 can adjust the clamping size to be suitable for air ducts of various sizes.

[0028] Example 2, reference Figure 1 to Figure 3 , which is the second embodiment of the utility model. Different from the previous embodiment, the inner clamping member 101 includes a central rod 101a, an expansion rod 101b is provided on the inner wall of the central rod 101a, and the outer wall of the expansion rod 101b is rotatably connected to the inner wall of the central rod 101a. A rotating block 101c is provided at the bottom of the expansion rod 101b. Rotating the expansion rod 101b can drive the rotating block 101c to rotate. A rocker arm 101d is provided on the outer wall of the rotating block 101c. There are multiple rocker arms 101d. A sliding rod 101e is provided at one end of the rocker arm 101d away from the rotating block 101c. One end of the sliding rod 101e An inner clamping rod 101f is provided at the end, and the rotation of the rotating block 101c will drive the rocker arm 101d to rotate, and the end of the rocker arm 101d away from the rotating block 101c will move away from or close to the rotating block 101c. The rotation of the rocker arm 101d will drive the sliding rod 101e to slide, and the sliding of the sliding rod 101e will drive the inner clamping rod 101f away from or close to the rotating block 101c. When clamping the air duct, the inner clamping rod 101f is close to the inner wall of the air duct. The distance between the inner clamping rod 101f and the rotating block 101c is adjusted so that it can be suitable for air ducts with different inner diameters. Rubber can be set on the outside of the inner clamping rod 101f to prevent serious wear on the air duct.

[0029] Furthermore, a support plate 101g is provided on the outer wall of the sliding rod 101e, and a through groove for the sliding rod 101e to slide is opened at the bottom of the support plate 101g. The sliding rod 101e slides on the inner wall of the support plate 101g, and the side of the support plate 101g is connected to the center rod 101a. A holding ring 101h is provided on the top outer wall of the center rod 101a, and a tightening ring 101i is provided on the top of the holding ring 101h. The tightening ring 101i is threadedly connected to the center rod 101a. When the expansion rod 101b is rotated with one hand, the holding ring 101h is held with the other hand to stably operate the expansion rod 101b. When the inner clamping rod 101f is adjusted to fit the inner wall of the air duct, the tightening rod is rotated to lock the expansion rod 101b.

[0030] Furthermore, a connecting block 101j is provided on the top of the expansion rod 101b, a connecting ring 101k is provided on the top of the connecting block 101j, the connecting block 101j and the expansion rod 101b are rotatably connected, and the connecting ring 101k and the connecting block 101j are fixedly connected.

[0031] Further, the outer clamping member 102 includes an outer clamping frame 102a arranged on the outer wall of the center rod 101a, a curved arm 102b is arranged on the inner wall of the outer clamping frame 102a, a stopper 102c is arranged on the top of the curved arm 102b, an outer clamping roller 102d is arranged on the bottom of the curved arm 102b, and an elastic member 102e is arranged on the side of the curved arm 102b. The curved arm 102b can rotate around the outer clamping frame 102a on the outer clamping frame 102a, and the curved arm 102b itself forms a lever. The end of the elastic member 102e away from the curved arm 102b is connected to the outer clamping frame 102a, and a top cone 102f is arranged on the top of the curved arm 102b. The inner wall of the top cone 102f is connected to the center rod 101a, and the top cone 102f is connected to the center rod 1 01a is threadedly connected, the outer wall of the top cone 102f is in contact with the stop rod 102c, and when the inner clamping rod 101f is in contact with the inner wall of the air duct, the top cone 102f is rotated to make it move downward, and the top cone 102f will push the stop rod 102c away from the center rod 101a, and the outer clamping roller 102d at the other end of the curved arm 102b will move toward the center rod 101a until it contacts the outer wall of the air duct, thereby completing the clamping of the air duct. The outer clamping roller 102d and the inner clamping rod 101f are used to clamp the air duct from multiple points, which disperses the supporting force and the pulling force required for subsequent straightening, protects the air duct from damage, and at the same time, the outer clamping roller 102d and the inner clamping rod 101f can adjust the clamping size to improve the applicability of the device.

[0032] Usage process: When clamping the air duct, rotate the expansion rod 101b to drive the rotating block 101c to rotate, drive the rocker arm 101d to rotate, so that the end of the rocker arm 101d away from the rotating block 101c is away from the rotating block 101c, and the rocker arm 101d drives the sliding rod 101e to slide, driving the inner clamping rod 101f away from the rotating block 101c, until the inner clamping rod 101f is close to the inner wall of the air duct, at this time, rotate the top cone 102f to make it move downward, the top cone 102f will push the support rod 102c away from the center rod 101a, and the outer clamping roller 102d at the other end of the curved arm 102b will move toward the center rod 101a until it contacts the outer wall of the air duct, thereby completing the clamping of the air duct.

[0033] Example 3, reference Figure 1 to Figure 4 , which is the third embodiment of the utility model. Different from the previous embodiment, a rope 202 is provided on the outer wall of the winding drum 201, and one end of the rope 202 away from the winding drum 201 is connected to the connecting ring 101k, and end covers 203 are provided at both ends of the winding drum 201, and a lifting ring 204 is provided on the top of the end cover 203. A fixed plate 205 is provided on the side of the end cover 203, and a ratchet 206 is provided on the side of the fixed plate 205. The ratchet 206 is rotatably connected to the fixed plate 205, and the side of the ratchet 206 is fixedly connected to the winding drum 201. The side of the ratchet 206 is provided with ratchet teeth 207, and the ratchet teeth A spring piece 208 is arranged on the top of 207, and the top of the spring piece 208 is connected to the fixed plate 205. A rotating rod 209 is arranged on the side of the ratchet 206. Rotating the rotating rod 209 drives the ratchet 206 to rotate, and drives the winding drum 201 to rotate, which can reel in the twisted rope 202, and move the clamping assembly 100 together with the ventilation duct toward the winding drum 201 to straighten the air duct. At the same time, the twisted rope 202 is reeled in by the ratchet 206. Under the action of the ratchet teeth 207, the ratchet 206 will not be pulled by the elastic force of the air duct and reversed, so that the staff can stop and rest when reeling, thereby reducing the labor intensity of the construction staff.

[0034] Furthermore, the side of the U-shaped frame 210 is connected to the end cover 203, and a fixing hook 211 is provided at one end of the U-shaped frame 210 away from the end cover 203. When the air duct is rolled up, the fixing hook 211 is hooked on the top arch anchor rod or steel bar to position the straightening component 200.

[0035] Usage process: When winding up the air duct, hook the fixing hook 211 onto the top arch anchor rod or steel bar to position the straightening component 200, rotate the rotating rod 209 to drive the ratchet 206 to rotate, drive the winding drum 201 to rotate, and can wind up the twisted rope 202, move the clamping component 100 together with the air duct toward the winding drum 201 to straighten the air duct, and use the ratchet 206 to wind up the twisted rope 202 at the same time. Under the action of the ratchet teeth 207, the ratchet 206 will not be pulled by the elastic force of the air duct and reversed, so that the staff can stop and rest when winding up, reducing the labor intensity of the construction workers.

[0036] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure of performing the function described herein, and is not only structurally equivalent but also equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0037] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0038] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0039] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A device for straightening underground construction ventilation pipes, characterized in that: include, A clamping assembly (100) comprises an inner clamping member (101) and an outer clamping member (102) arranged outside the inner clamping member (101); and, The straightening assembly (200) comprises a winding drum (201) and a U-shaped frame (210) arranged on the side of the winding drum (201).

2. The underground construction ventilation pipe straightening device according to claim 1, characterized in that: The inner clamping member (101) comprises a central rod (101a), an expansion rod (101b) is arranged on the inner wall of the central rod (101a), a rotating block (101c) is arranged on the bottom of the expansion rod (101b), a rocker arm (101d) is arranged on the outer wall of the rotating block (101c), a sliding rod (101e) is arranged on one end of the rocker arm (101d) away from the rotating block (101c), and an inner clamping rod (101f) is arranged on one end of the sliding rod (101e).

3. The underground construction ventilation pipe straightening device according to claim 2, characterized in that: The outer wall of the sliding rod (101e) is provided with a support plate (101g), the bottom of the support plate (101g) is provided with a through groove for the sliding rod (101e) to slide, and the side surface of the support plate (101g) is connected to the central rod (101a).

4. The underground construction ventilation pipe straightening device according to claim 3, characterized in that: The top outer wall of the central rod (101a) is provided with a holding ring (101h), and the top of the holding ring (101h) is provided with a fixing ring (101i).

5. The underground construction ventilation pipe straightening device according to claim 4, characterized in that: A connecting block (101j) is arranged on the top of the expansion rod (101b), and a connecting ring (101k) is arranged on the top of the connecting block (101j).

6. The underground construction ventilation pipe straightening device according to claim 5, characterized in that: The outer clamping member (102) comprises an outer clamping frame (102a) arranged on the outer wall of the central rod (101a), the inner wall of the outer clamping frame (102a) is provided with a curved arm (102b), the top of the curved arm (102b) is provided with a stop rod (102c), the bottom of the curved arm (102b) is provided with an outer clamping roller (102d), the side of the curved arm (102b) is provided with an elastic member (102e), and the end of the elastic member (102e) away from the curved arm (102b) is connected to the outer clamping frame (102a).

7. The underground construction ventilation pipe straightening device according to claim 6, characterized in that: A top cone (102f) is provided at the top of the curved arm (102b), the inner wall of the top cone (102f) is connected to the central rod (101a), and the outer wall of the top cone (102f) is in contact with the stop rod (102c).

8. The underground construction ventilation pipe straightening device according to claim 7, characterized in that: The outer wall of the winding drum (201) is provided with a twisted rope (202), and one end of the twisted rope (202) away from the winding drum (201) is connected to the connecting ring (101k).

9. The underground construction ventilation pipe straightening device according to claim 8, characterized in that: End covers (203) are provided at both ends of the winding drum (201), a lifting ring (204) is provided at the top of the end cover (203), a fixed plate (205) is provided on the side of the end cover (203), a ratchet (206) is provided on the side of the fixed plate (205), a ratchet (207) is provided on the side of the ratchet (206), a spring sheet (208) is provided on the top of the ratchet (207), the top of the spring sheet (208) is connected to the fixed plate (205), and a rotating rod (209) is provided on the side of the ratchet (206).

10. The underground construction ventilation pipe straightening device according to claim 9, characterized in that: The side surface of the U-shaped frame (210) is connected to the end cover (203), and a fixing hook (211) is provided at one end of the U-shaped frame (210) away from the end cover (203).

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