CN113193532B - Pipeline protection device for foundation pit excavation - Google Patents

Pipeline protection device for foundation pit excavation Download PDF

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Publication number
CN113193532B
CN113193532B CN202110507281.XA CN202110507281A CN113193532B CN 113193532 B CN113193532 B CN 113193532B CN 202110507281 A CN202110507281 A CN 202110507281A CN 113193532 B CN113193532 B CN 113193532B
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China
Prior art keywords
assembly
sliding
supporting mechanism
rod
pipeline
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CN202110507281.XA
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Chinese (zh)
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CN113193532A (en
Inventor
朱建锋
刘一翔
刘富海
刘文禄
柳振振
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Real Estate Investment Co Ltd of China Railway 16th Bureau Group Co Ltd
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Real Estate Investment Co Ltd of China Railway 16th Bureau Group Co Ltd
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Priority to CN202110507281.XA priority Critical patent/CN113193532B/en
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G9/00Installations of electric cables or lines in or on the ground or water
    • H02G9/06Installations of electric cables or lines in or on the ground or water in underground tubes or conduits; Tubes or conduits therefor

Abstract

The invention is suitable for the technical field of foundation pit excavation, and provides a pipeline protection device for foundation pit excavation, which comprises a fixing sleeve and a supporting plate, and also comprises: the supporting mechanism is movably arranged on the fixed sleeve and is used for supporting a pipeline; the self-adaptive height-adjusting mechanism is installed on the fixed sleeve and comprises a lifting component and a driving component for driving the lifting component to move, and the lifting component is connected with the supporting mechanism. When a gap exists between the pipeline protection device sinking supporting mechanism and the pipeline, the supporting mechanism controls the lifting assembly to be in transmission connection with the driving assembly so as to drive the supporting mechanism to move upwards, the lifting assembly drives the supporting mechanism to ascend to enable the supporting mechanism to be in contact with the pipeline, and after the supporting mechanism supports the pipeline, the supporting mechanism controls the lifting assembly to be in transmission connection with the driving assembly, so that the pipeline protection device can automatically adjust the height.

Description

Pipeline protection device for foundation pit excavation
Technical Field
The invention belongs to the technical field of foundation pit excavation, and particularly relates to a pipeline protection device for foundation pit excavation.
Background
In the in-process of carrying out foundation ditch excavation, need dig out the pipeline from the ground bottom, the unsettled pipeline of digging is placed and is leaded to the pipeline crooked because the dead weight influence leads to, it supports the pipeline to need pipeline protection device this moment, but at the in-process of foundation ditch excavation, the earth hardness on ground is less, at the excavation in-process, pipeline protection device is because the ground hardness is little to sink separately with the pipeline, pipeline protection device can not support the pipeline this moment, poor stability between pipeline protection device and the pipeline, influence the use of pipeline.
When present pipeline protection device for foundation ditch excavation supports the pipeline, when pipeline protection device sinks because the earth hardness on ground is less, the pipeline appears the clearance with the backup pad, needs the manual regulation pipeline protection device's height, makes pipeline protection device play the supporting role to the pencil, because foundation ditch excavation is a long-time process, needs someone constantly to adjust pipeline protection device's height.
Disclosure of Invention
The embodiment of the invention aims to provide a pipeline protection device for foundation pit excavation, and aims to solve the problem that people are required to continuously adjust the height of the pipeline protection device in the conventional pipeline protection device.
The embodiment of the invention is realized in such a way that the pipeline protection device for foundation pit excavation comprises a fixed sleeve and a supporting plate, and further comprises:
the supporting mechanism is movably arranged on the fixed sleeve and is used for supporting a pipeline; and
the self-adaptive height-adjusting mechanism is installed on the fixed sleeve and comprises a lifting assembly and a driving assembly used for driving the lifting assembly to move, the lifting assembly is connected with the supporting mechanism, when the supporting mechanism does not have a supporting effect on the pipeline, the supporting mechanism can control the lifting assembly to be in transmission connection with the driving assembly so as to drive the supporting mechanism to move upwards, and after the supporting mechanism supports the pipeline, the supporting mechanism can control the lifting assembly to be in transmission connection with the driving assembly.
According to the technical scheme, the lifting assembly comprises a self-locking assembly and a transmission assembly, the supporting mechanism can control the transmission assembly to be in transmission connection with the driving assembly through whether the supporting mechanism has a supporting effect on the pipeline or not, the height of the supporting mechanism is adjusted, and the self-locking assembly is used for fixing the height of the supporting mechanism.
According to the technical scheme, the driving assembly comprises a power assembly and a protection assembly, the power assembly is connected with the transmission assembly, the protection assembly is used for protecting the power assembly, when the supporting mechanism is lifted to be in an upper limit and a lower limit, the protection assembly changes the connection relation between the transmission assembly and the power assembly into elastic connection so as to protect the power assembly, and the fixing assembly used for fixedly mounting the fixing sleeve is fixedly mounted on the fixing sleeve 1.
According to a further technical scheme, the supporting mechanism comprises a telescopic rod which is connected with the inside of the fixing sleeve in a sliding mode, a sliding rod is connected with the inside of the telescopic rod in a sliding mode and is connected with the supporting plate in a rotating mode, a sliding block is fixedly mounted on the sliding rod, a supporting block which is matched with the sliding rod in a sliding mode is fixedly mounted on the telescopic rod, and a first elastic element is mounted on the outer side of the sliding rod.
According to a further technical scheme, the transmission assembly comprises a first sliding groove formed in the sliding rod, a sliding block is connected to the first sliding groove in a sliding mode, a second sliding groove connected with the sliding block in a sliding mode is formed in the telescopic rod, a second rack is fixedly mounted at one end of the sliding block, and the second rack is connected with the protection assembly.
Further technical scheme, power component includes that the second that sets up on the fixed sleeve lateral wall dodges the groove, fixed mounting has the motor on the fixed sleeve, the motor output stretches into the second and dodges the inslot, motor output fixed mounting have with second rack clearance fit's gear.
Further technical scheme, the protection subassembly includes second rack side fixed mounting's fixed block, fixed mounting has the guide bar on the fixed block, the terminal fixed mounting of guide bar has the limiting plate, second elastic element is installed in the guide bar outside, sliding connection has tooth on the guide bar.
Further technical scheme, the auto-lock subassembly includes the first rack of telescopic link outside embedding, the last third groove of dodging that is provided with of fixed sleeve, the inslot rotation is dodged to the third is connected with the dwang, fixed mounting has the auto-lock pole with first rack toothing on the dwang, install on the auto-lock pole and dodge the third elastic element that the groove is connected with the third.
According to a further technical scheme, the fixing assembly comprises a first supporting rod fixedly mounted at one end of the fixing sleeve, the tail end of the first supporting rod is rotatably connected with a connecting rod, the first supporting rod is connected with a sliding sleeve in a sliding mode, the outer side of the sliding sleeve is rotatably connected with a second supporting rod in rotating fit with the connecting rod, and a connecting piece used for fixedly connecting the sliding sleeve and the first supporting rod is arranged on the sliding sleeve.
According to the pipeline protection device for foundation pit excavation provided by the embodiment of the invention, when a gap exists between a sinking support mechanism and a pipeline of the pipeline protection device, the support mechanism controls the lifting assembly to be in transmission connection with the driving assembly so as to drive the support mechanism to move upwards, the lifting assembly drives the support mechanism to ascend so as to enable the support mechanism to be in contact with the pipeline, and after the pipeline is supported by the support mechanism, the support mechanism controls the lifting assembly to be disconnected from the driving assembly so that the pipeline protection device can automatically adjust the height.
Drawings
Fig. 1 is a schematic structural diagram of a pipeline protection device for excavation of a foundation pit according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of A in FIG. 1 according to an embodiment of the present invention;
FIG. 3 is an enlarged schematic view of B in FIG. 1 according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection of the slider shown in FIG. 1 according to an embodiment of the present invention.
In the drawings: the device comprises a fixed sleeve 1, a telescopic rod 2, a first rack 3, a sliding rod 4, a first avoidance groove 5, a second rack 6, a second avoidance groove 7, a gear 8, a motor 9, a third avoidance groove 10, a first sliding chute 11, a second sliding chute 12, a sliding block 13, a supporting block 14, a first elastic element 15, a sliding block 16, a supporting plate 17, a first supporting rod 18, a second supporting rod 19, a connecting rod 20, a guide rod 21, teeth 22, a second elastic element 23, a limiting plate 24, a rotating rod 25, a self-locking rod 26, a third elastic element 27, a bolt 28, a fixed block 29 and a sliding sleeve 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, the pipeline protection device for excavation of a foundation pit according to an embodiment of the present invention includes a fixing sleeve 1 and a supporting plate 17, and further includes:
the supporting mechanism is movably arranged on the fixed sleeve 1 and is used for supporting a pipeline; and
the self-adaptive height-adjusting mechanism is installed on the fixed sleeve and comprises a lifting assembly and a driving assembly used for driving the lifting assembly to move, the lifting assembly is connected with the supporting mechanism, when the supporting mechanism does not have a supporting effect on the pipeline, the supporting mechanism can control the lifting assembly to be in transmission connection with the driving assembly so as to drive the supporting mechanism to move upwards, and after the supporting mechanism supports the pipeline, the supporting mechanism can control the lifting assembly to be in transmission connection with the driving assembly.
In the embodiment of the invention, when a gap exists between the sinking support mechanism of the pipeline protection device and the pipeline, the support mechanism controls the lifting assembly to be in transmission connection with the driving assembly so as to drive the support mechanism to move upwards, the lifting assembly drives the support mechanism to ascend so that the support mechanism is in contact with the pipeline, and after the support mechanism supports the pipeline, the support mechanism controls the lifting assembly to be in transmission connection with the driving assembly, so that the pipeline protection device can automatically adjust the height.
As shown in fig. 1, as a preferred embodiment of the invention, the lifting assembly includes a self-locking assembly and a transmission assembly, the support mechanism can control the transmission assembly to be in transmission connection with the driving assembly by whether the support mechanism has a supporting effect on the pipeline, so as to adjust the height of the support mechanism, and the self-locking assembly is used for fixing the height of the support mechanism.
In the embodiment of the invention, the driving component drives the supporting mechanism to move upwards through the transmission component, when the supporting mechanism has a supporting effect on the pipeline, the self-locking component fixes the height of the transmission component, and the transmission component is placed to move downwards, so that the height of the supporting mechanism is fixed, and the stability of the device is improved.
As shown in fig. 1, as a preferred embodiment of the invention, the driving assembly includes a power assembly and a protection assembly, the power assembly is connected to the transmission assembly, the protection assembly is used for protecting the power assembly, when the supporting mechanism is lifted to an upper limit and a lower limit, the protection assembly changes a connection relationship between the transmission assembly and the power assembly into an elastic connection to further protect the power assembly, and a fixing assembly for fixedly mounting the fixing sleeve 1 is fixedly mounted on the fixing sleeve 1.
In the embodiment of the invention, the power assembly drives the supporting mechanism to move upwards by driving the transmission assembly, and when the supporting mechanism is positioned at the upper and lower height limits of the device, the protection assembly changes the connection relation between the transmission assembly and the power assembly into elastic connection, so that the power assembly cannot drive the transmission assembly, and further the power assembly is protected.
As shown in fig. 1, as a preferred embodiment of the invention, the supporting mechanism includes a telescopic rod 2 slidably connected in a fixed sleeve 1, a sliding rod 4 is slidably connected in the telescopic rod 2, the sliding rod 4 is rotatably connected with a supporting plate 17, a sliding block 16 is fixedly mounted on the sliding rod 4, a supporting block 14 slidably engaged with the sliding rod 4 is fixedly mounted on the telescopic rod 2, and a first elastic element 15 is mounted on the outer side of the sliding rod 4.
In an embodiment of the present invention, the first elastic element 15 may be a compression spring, an elastic sheet, a rubber, or other elastic structure, and in this embodiment, the first elastic element 15 is preferably a compression spring. When the support mechanism has no support effect on the pipeline, the first elastic element 15 pushes the sliding block 16 to move upwards in the support block 14, and the sliding block 16 drives the sliding rod 4 to move upwards in the telescopic rod 2. The support mechanism in this embodiment is not limited, and other elastic structures may be adopted.
As shown in fig. 1, as a preferred embodiment of the invention, the transmission assembly includes a first sliding groove 11 disposed on the sliding rod 4, a sliding block 13 is slidably connected in the first sliding groove 11, a second sliding groove 12 slidably connected to the sliding block 13 is disposed in the telescopic rod 2, a second rack 6 is fixedly mounted at one end of the sliding block 13, and the second rack 6 is connected to the protection assembly.
In the embodiment of the present invention, the shape of the slider 13 in this embodiment is not limited, and the slider 13 in this embodiment has a Z-shape. When the supporting mechanism has no supporting effect on the pipeline, the sliding block 16 drives the sliding rod 4 to move upwards in the telescopic rod 2, the telescopic rod 2 moves upwards to match the second sliding groove 12 and the first sliding groove 11 to drive the Z-shaped movable sliding block 13 to move rightwards in the second sliding groove 12, the movable sliding block 13 drives the second rack 6 to be in transmission fit with the power assembly when moving rightwards, and the power assembly drives the supporting mechanism to move upwards in the fixed sleeve 1; when the supporting mechanism moves upwards to support the pipeline, the pipeline overcomes the elasticity of the first elastic element 15 through the supporting plate 17 to drive the sliding rod 4 to move downwards relative to the telescopic rod 2, the sliding rod 4 pushes the sliding block 13 to move leftwards in the second sliding groove 12, the sliding block 13 drives the second rack 6 to move leftwards, the second rack 6 is not meshed with the gear 8 at the moment, and the telescopic rod 2 is still.
As shown in fig. 1, as a preferred embodiment of the invention, the power assembly includes a second avoiding groove 7 formed in a side wall of the fixing sleeve 1, a motor 9 is fixedly installed on the fixing sleeve 1, an output end of the motor 9 extends into the second avoiding groove 7, and a gear 8 movably matched with the second rack 6 is fixedly installed at an output end of the motor 9.
In the embodiment of the present invention, the type of the motor 9 is not limited, and in the embodiment, preferably, the motor 9 is a horizontal type speed reduction motor. The motor 9 drives the gear 8 to rotate in the second avoiding groove 7.
As shown in fig. 1 and 2, as a preferred embodiment of the invention, the protecting assembly includes a fixing block 29 fixedly mounted on a side surface of the second rack 6, a guide rod 21 is fixedly mounted on the fixing block 29, a limit plate 24 is fixedly mounted at a tail end of the guide rod 21, a second elastic element 23 is mounted on an outer side of the guide rod 21, and a tooth 22 is slidably connected on the guide rod 21.
In the embodiment of the present invention, the second elastic element 23 may adopt an elastic structure such as a compression spring, a spring plate, and rubber, and the second elastic element 23 is preferably a compression spring in the embodiment. When the gear 8 rotates anticlockwise to be engaged with the teeth 22, the gear 8 pushes the teeth 22 downwards against the elastic force of the second elastic element 23, and when the teeth 22 are not engaged with the gear 8, the second elastic element 23 pushes the teeth 22 to move upwards, so that the gear 8 idles; when 8 clockwise rotations and tooth 22 meshing, 8 pushing teeth 22 of gear move up, 8 drive 6 upward movements of second rack when tooth 22 contacts with limiting plate 24, thereby it damages second rack 6 to prevent that gear 8 from pushing second rack 6 downwards when telescopic link 2 from reaching upper limit, and then protects gear 8 and second rack 6. The protection assembly is not limited in this embodiment, and other structures may be adopted to idle the gear 8 and protect the gear 8 and the second rack 6.
As shown in fig. 1 and 3, as a preferred embodiment of the invention, the self-locking assembly includes a first rack 3 embedded in an outer side of the telescopic rod 2, a third avoiding groove 10 is formed in the fixing sleeve 1, a rotating rod 25 is rotatably connected to the third avoiding groove 10, a self-locking rod 26 engaged with the first rack 3 is fixedly installed on the rotating rod 25, and a third elastic element 27 connected to the third avoiding groove 10 is installed on the self-locking rod 26.
In the embodiment of the invention, the third elastic element 27 may be a compression spring, an elastic sheet, a rubber, or other elastic structure, and in the embodiment, the third elastic element 27 is preferably a compression spring. The telescopic rod 2 drives the first rack 3 to move upwards when moving upwards, the first rack 3 overcomes the third elastic element 27 to push the self-locking rod 26 to rotate anticlockwise by the rotating rod 25, the self-locking rod 26 is separated from the first rack 3 when rotating anticlockwise, when the telescopic rod 2 does not move upwards, the third elastic element 27 pushes the self-locking rod 26 to rotate clockwise by the rotating rod 25, the self-locking rod 26 is meshed with the first rack 3, at the moment, the self-locking rod 26 limits the first rack 3 to move downwards so as to limit the telescopic rod 2 to move downwards, and the stability of the protective device for the bobbin is enhanced. The self-locking assembly can adopt a bolt and fixed sleeve 1 thread fit, a ratchet wheel self-locking structure and the like.
As shown in fig. 1, as a preferred embodiment of the invention, the fixing assembly includes a first support rod 18 fixedly installed at one end of the fixing sleeve 1, a connecting rod 20 is rotatably connected to the end of the first support rod 18, a sliding sleeve 30 is slidably connected to the first support rod 18, a second support rod 19 rotatably engaged with the connecting rod 20 is rotatably connected to the outer side of the sliding sleeve 30, and a connecting member for fixedly connecting the sliding sleeve 30 and the first support rod 18 is disposed on the sliding sleeve 30.
In the embodiment of the invention, the connecting member is a screw, a bolt, a pin, etc., and the embodiment uses the bolt 28. When the pipeline protection device is fixed, the sliding sleeve 30 slides downwards along the first supporting rod 18, the sliding sleeve 30 opens the second supporting rod 19 through the connecting rod 20, the bolt 28 is rotated when the supporting radius of the second supporting rod 19 is proper, the sliding sleeve 30 is fixed on the first supporting rod 18, and the supporting radius of the fixing component is adjusted by adjusting the position of the sliding sleeve 30 on the first supporting rod 18, so that the pipeline protection device can be suitable for places in different environments. The fixing component can adopt a connecting rod supporting structure, a telescopic ground nail grabbing mechanism and the like.
The embodiment of the invention provides a pipeline protection device for foundation pit excavation, when in use, a sliding sleeve 30 slides downwards along a first supporting rod 18, the sliding sleeve 30 opens a second supporting rod 19 through a connecting rod 20, when the supporting radius of the second supporting rod 19 is proper, a bolt 28 is rotated, the sliding sleeve 30 is fixed on the first supporting rod 18, the supporting radius of a fixing component is adjusted by adjusting the position of the sliding sleeve 30 on the first supporting rod 18, so that the pipeline protection device can be suitable for places in different environments, when a gap exists between a pipeline protection device sinking supporting mechanism and a pipeline, a first elastic element 15 drives a sliding rod 4 to move upwards by pushing a sliding block 16, the sliding rod 4 moves upwards to drive a sliding block 13 to move rightwards in a second sliding groove 12, the movable sliding block 13 drives a second rack 6 to be meshed with a gear 8, a motor 9 drives the second rack 6 to move upwards through the gear 8, the second rack 6 drives the telescopic rod 2 to move upwards, and the telescopic rod 2 drives the supporting plate 17 to move upwards through the sliding rod 4; when the supporting plate 17 moves upwards to contact with the pipeline, the pipeline overcomes the elasticity of the first elastic element 15 through the supporting plate 17 to drive the sliding rod 4 to move downwards relative to the telescopic rod 2, the sliding rod 4 pushes the sliding block 13 to move leftwards in the second sliding groove 12, the sliding block 13 drives the second rack 6 to move leftwards, the second rack 6 is not meshed with the gear 8 at the moment, the telescopic rod 2 is still, the telescopic rod 2 moves upwards to drive the first rack 3 to move upwards, the first rack 3 overcomes the third elastic element 27 to push the self-locking rod 26 to rotate anticlockwise by the rotating rod 25, the self-locking rod 26 is separated from the first rack 3 when rotating anticlockwise, when the telescopic rod 2 does not move upwards, the third elastic element 27 pushes the self-locking rod 26 to rotate clockwise by the rotating rod 25, the self-locking rod 26 is meshed with the first rack 3, at the moment, the self-locking rod 26 limits the first rack 3 to move upwards so as to limit the telescopic rod 2 to move downwards, the stability of the bobbin protecting device is enhanced, when the gear 8 rotates anticlockwise to be meshed with the teeth 22, the gear 8 pushes the teeth 22 downwards against the elastic force of the second elastic element 23, and when the teeth 22 are not meshed with the gear 8, the second elastic element 23 pushes the teeth 22 to move upwards, so that the gear 8 idles; when the gear 8 rotates clockwise to be engaged with the teeth 22, the gear 8 pushes the teeth 22 to move upwards, and when the teeth 22 are contacted with the limiting plate 24, the gear 8 drives the second rack 6 to move upwards, so that the gear 8 is prevented from pushing the second rack 6 downwards to damage the second rack 6 when the telescopic rod 2 reaches an upper limiting position.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (4)

1. The utility model provides a pipeline protection device for foundation ditch excavation, includes fixed sleeve and backup pad, its characterized in that still includes:
the supporting mechanism is movably arranged on the fixed sleeve and is used for supporting a pipeline; and
the self-adaptive height adjusting mechanism is arranged on the fixed sleeve and comprises a lifting assembly and a driving assembly for driving the lifting assembly to move, the lifting assembly is connected with the supporting mechanism, when the supporting mechanism does not have a supporting effect on the pipeline, the supporting mechanism can control the lifting assembly to be in transmission connection with the driving assembly so as to drive the supporting mechanism to move upwards, and after the supporting mechanism supports the pipeline, the supporting mechanism can control the lifting assembly to be disconnected from the driving assembly in transmission connection;
the lifting assembly comprises a self-locking assembly and a transmission assembly, the supporting mechanism can control the transmission assembly to be in transmission connection with the driving assembly through whether the supporting mechanism has a supporting effect on the pipeline or not, the height of the supporting mechanism is further adjusted, and the self-locking assembly is used for fixing the height of the supporting mechanism;
the driving assembly comprises a power assembly and a protection assembly, the power assembly is connected with the transmission assembly, the protection assembly is used for protecting the power assembly, when the supporting mechanism is lifted to be in an upper limit and a lower limit, the protection assembly changes the connection relation between the transmission assembly and the power assembly into elastic connection so as to protect the power assembly, and a fixing assembly used for fixedly installing a fixing sleeve is fixedly installed on the fixing sleeve;
the supporting mechanism comprises a telescopic rod which is connected in a fixed sleeve in a sliding manner, a sliding rod is connected in the telescopic rod in a sliding manner, the sliding rod is rotatably connected with the supporting plate, a sliding block is fixedly installed on the sliding rod, a supporting block which is in sliding fit with the sliding rod is fixedly installed on the telescopic rod, and a first elastic element is installed on the outer side of the sliding rod;
the transmission assembly comprises a first sliding groove arranged on the sliding rod, a sliding block is connected in the first sliding groove in a sliding mode, a second sliding groove connected with the sliding block in a sliding mode is arranged in the telescopic rod, a second rack is fixedly arranged at one end of the sliding block, and the second rack is connected with the protection assembly;
the power component comprises a second avoiding groove formed in the side wall of the fixed sleeve, a motor is fixedly mounted on the fixed sleeve, the output end of the motor stretches into the second avoiding groove, and a gear movably matched with the second rack is fixedly mounted at the output end of the motor.
2. The pipeline protection device for excavation of foundation pit of claim 1, characterized in that, the protection subassembly includes second rack side fixed mounting's fixed block, fixed mounting has the guide bar on the fixed block, the terminal fixed mounting of guide bar has the limiting plate, the second elastic element is installed in the guide bar outside, sliding connection has tooth on the guide bar.
3. The pipeline protection device for excavation of foundation pit of claim 1, characterized in that, the auto-lock subassembly includes the first rack of telescopic link outside embedding, be provided with the third on the fixed sleeve and dodge the groove, the third dodges the inslot rotation and is connected with the dwang, fixed mounting has the auto-lock pole with first rack toothing on the dwang, install on the auto-lock pole and dodge the third elastic element that the groove is connected with the third.
4. The pipeline protection device for excavation of foundation pit according to claim 1, wherein the fixing component comprises a first support rod fixedly mounted at one end of a fixing sleeve, a connecting rod is rotatably connected to the end of the first support rod, a sliding sleeve is slidably connected to the first support rod, a second support rod rotatably matched with the connecting rod is rotatably connected to the outer side of the sliding sleeve, and a connecting piece for fixedly connecting the sliding sleeve and the first support rod is arranged on the sliding sleeve.
CN202110507281.XA 2021-05-10 2021-05-10 Pipeline protection device for foundation pit excavation Active CN113193532B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110507281.XA CN113193532B (en) 2021-05-10 2021-05-10 Pipeline protection device for foundation pit excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110507281.XA CN113193532B (en) 2021-05-10 2021-05-10 Pipeline protection device for foundation pit excavation

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CN113193532A CN113193532A (en) 2021-07-30
CN113193532B true CN113193532B (en) 2022-08-09

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Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1500012A (en) * 1966-06-06 1967-11-03 Commissariat Energie Atomique Support device for placing and removing objects linked to a support
RU2047037C1 (en) * 1992-06-03 1995-10-27 Институт "Челябинскгражданпроект" Support for pipe line
CN107947059B (en) * 2017-12-13 2020-12-08 桐庐火炎医疗器械有限公司 Rising mechanism of communication cable bracing piece
CN108006322A (en) * 2017-12-14 2018-05-08 张荣银 A kind of supporting rack that can adjust height of petroleum pipeline installation
CN210423982U (en) * 2019-04-27 2020-04-28 深圳市中港建筑工程有限公司 Mounting structure of pipeline support
CN211259855U (en) * 2019-11-07 2020-08-14 上海逊河机电设备安装有限公司 Temporary supporting device for pipeline construction

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