CN210468748U - Prevent cable pit and subside device - Google Patents
Prevent cable pit and subside device Download PDFInfo
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- CN210468748U CN210468748U CN201921769673.8U CN201921769673U CN210468748U CN 210468748 U CN210468748 U CN 210468748U CN 201921769673 U CN201921769673 U CN 201921769673U CN 210468748 U CN210468748 U CN 210468748U
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Abstract
The utility model discloses a prevent that cable pit subsides device, including the unit of subsiding of preventing that is used for setting up along the length direction interval of prefabricated cable pit, single unit of subsiding of preventing includes: the shell is arranged on the outer periphery of the prefabricated cable trench in a sliding mode; the telescopic driving mechanism is arranged in the shell, one end of the telescopic driving mechanism is used for being connected with the bottom of the prefabricated cable trench, and the other end of the telescopic driving mechanism is abutted against the bottom plate of the shell; a first balance sensor for detecting whether the base plate is tilted; the second balance sensor is used for detecting whether the prefabricated cable trench is inclined or not; the controller is connected with the telescopic driving mechanism, the first balance sensor and the second balance sensor, and when the first balance sensor detects that the bottom plate inclines, the controller controls the telescopic driving mechanism to extend so as to enable the bottom plate to settle downwards and enable the prefabricated cable trench to lift upwards; when the second balance sensor detects that the prefabricated cable trench recovers to the horizontal level, the controller controls the telescopic driving mechanism to stop acting, and the cable trench can be prevented from settling.
Description
Technical Field
The utility model relates to a cable pit auxiliary assembly technical field, more specifically say, relate to a prevent cable pit and subside device.
Background
As an indispensable infrastructure in a transformer substation, the cable trench is mainly used for placing cables and protecting the cables so as to avoid damage of the cables and influence on safe operation of the transformer substation, and the internal environment of the cable trench is of great importance to the damage degree of the safe operation and faults of the cables.
Cable pit among the prior art, directly lay in earth usually, however, earth receives the influence of groundwater and ground object easily and takes place to subside, and when earth subsides under the cable pit, the cable pit will also follow and subside, finally leads to the cable in the cable pit to take place to distort and drag for the cable generates heat or breaks, leads to the serious accident even.
Therefore, how to provide a cable trench settlement preventing device capable of effectively preventing the cable trench from settling due to the settlement of soil is a problem to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention provides a cable trench settlement prevention device, which can prevent the cable trench from settling when the soil below the bottom of the cable trench settles.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a prevent that cable pit subsides device, includes the length direction interval that is used for following the prefabricated cable pit and sets up the unit of subsiding of preventing in earth, singly prevent subsiding the unit and include:
the shell is slidably wrapped on the outer periphery of the prefabricated cable trench;
the telescopic driving mechanism is arranged in the shell, one end of the telescopic driving mechanism is used for being connected with the bottom of the prefabricated cable trench, and the other end of the telescopic driving mechanism is abutted against the bottom plate of the shell;
a first balance sensor for detecting whether the base plate is tilted;
a second balance sensor for detecting whether the pre-cast cable trench is inclined;
the controller is connected with the telescopic driving mechanism, the first balance sensor and the second balance sensor, and when the first balance sensor detects that the bottom plate inclines, the controller controls the telescopic driving mechanism to extend so as to enable the bottom plate to settle downwards and enable the prefabricated cable trench to lift upwards; when the second balance sensor detects that the prefabricated cable trench is restored to be horizontal, the controller controls the telescopic driving mechanism to stop acting.
Preferably, a single said anti-settling unit further comprises:
the two movable supporting columns are arranged in the shell and used for supporting the prefabricated cable trench when the prefabricated cable trench is in a horizontal state so as to avoid the stress of the telescopic driving mechanism, one end of each of the two movable supporting columns is used for being rotatably connected with the bottom of the prefabricated cable trench, the other end of each of the two movable supporting columns is abutted against the bottom plate, and in an initial state, the movable supporting columns are obliquely arranged so as to enable the movable supporting columns to rotate to the position where the free ends of the movable supporting columns are abutted against the bottom plate by means of gravity in the extending process of the telescopic driving mechanism;
locate the bottom plate, be used for right the activity support column carries out spacing locating part.
Preferably, the telescopic driving mechanism is a jack, and a supporting arm of the jack is abutted to the bottom plate.
Preferably, the support device further comprises a guide member for guiding the rotation of the movable support column during the extension of the support arm, and the guide member is connected with the support arm.
Preferably, the guide piece includes with the horizontal post that the support arm links to each other perpendicularly, horizontal post is equipped with the first direction rectangular hole that extends along its length direction, the activity support column is equipped with the second direction rectangular hole that extends along its length direction, the activity support column with horizontal post passes through limit bolt and links to each other, limit bolt can follow respectively first direction rectangular hole with the second direction rectangular hole removes wear to locate in first direction rectangular hole and the second direction rectangular hole.
Preferably, the limiting part comprises a plurality of clamping teeth protruding out of the inner side surface of the bottom plate and used for abutting against the free end of the movable supporting column, so that the movable supporting column is prevented from moving along the inner side surface of the bottom plate.
Preferably, still include be used for when earth subsides the degree of depth and is greater than when flexible actuating mechanism's maximum extension length, convenient to the bottom of bottom plate fills the filling passageway of concrete or earth, the filling passageway with the bottom intercommunication of bottom plate.
Preferably, the latch comprises:
the first latch and the second latch are used for respectively limiting the initial position and the rotation limit position of the movable supporting column, and the first latch and the second latch are fixedly arranged on the inner side surface of the bottom plate;
and the third latch is used for limiting the movable supporting column between the initial position and the rotation limit position, the third latch is connected with a lifting driving mechanism, the lifting driving mechanism is connected with the controller, and when concrete or soil is filled into the bottom of the bottom plate through the filling channel, the controller controls the lifting driving mechanism to act, so that the third latch is lowered, and the free end of the movable supporting column moves along the inner side surface of the bottom plate when the bottom plate is lifted.
Preferably, a first sensor for detecting whether the movable supporting column collides with the first latch is arranged at the first latch;
a second sensor for detecting whether the movable supporting column collides with the second latch is arranged at the second latch;
the controller is used for controlling the alarm to send a first alarm signal to a monitoring background when the second sensor detects that the movable supporting column collides with the second latch and the second balance sensor detects that the prefabricated cable trench is still inclined, so that a maintainer can fill concrete or soil into the bottom of the bottom plate through the filling channel, and meanwhile, the controller controls the telescopic driving mechanism to retract; when the first sensor detects the movable supporting column collides with the first latch, the controller controls the alarm to send a second alarm signal to the monitoring background so that the maintainers stop filling concrete or mud.
Preferably, the housing comprises:
the side plate is vertically connected with the bottom plate and used for surrounding the outer side of the prefabricated cable trench;
and the guide plate is vertically connected with the side plate and is used for being in sliding fit with the side wall of the prefabricated cable trench.
The utility model provides a prevent that cable pit subsides device, whether single settlement prevention unit detects bottom plate and prefabricated cable pit respectively through first balanced sensor and second balanced sensor and inclines, and make the controller respectively according to the detected signal of first balanced sensor and second balanced sensor, control flexible actuating mechanism action, and then prevent through a plurality of settlement prevention unit combined action that the interval set up, guarantee the original position and the horizontality of prefabricated cable pit, thereby can prevent that prefabricated cable pit from subsiding along with subsiding of earth, lay the cable in prefabricated cable pit with the protection, make it not take place to distort and drag etc..
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a front view of a cable trench settlement prevention device according to an embodiment of the present invention;
fig. 2 is a side view of the cable pit subsidence prevention apparatus shown in fig. 1.
The reference numerals in fig. 1 and 2 are as follows:
11 is the bottom plate, 12 is the curb plate, 13 is the deflector, 2 is flexible actuating mechanism, 3 is first balance sensor, 4 is the second balance sensor, 5 is the activity support column, 51 is the second direction rectangular hole, 6 is horizontal post, 61 is the first direction rectangular hole, 7 is the latch, 8 is the filling channel, 9 is the prefabricated cable ditch, 91 is the cable support frame, 92 is the cable, 93 is the cable ditch apron.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The core of the utility model is to provide a prevent that cable pit subsides device, when the earth of cable pit bottom subsides, can avoid the cable pit to subside.
Referring to fig. 1-2, fig. 1 is a front view of a cable trench settlement prevention device according to an embodiment of the present invention; fig. 2 is a side view of the cable pit subsidence prevention apparatus shown in fig. 1.
The utility model provides a prevent cable pit and subside device, including a plurality of anti-settlement units that are used for preventing prefabricated cable pit 9 from subsiding, a plurality of anti-settlement units are used for setting up in earth along the length direction interval of prefabricated cable pit 9, and the interval of two adjacent anti-settlement units is preferably 5 ~ 10m, that is, during the construction, along the length direction of prefabricated cable pit 9, every 5 ~ 10m installs an anti-settlement unit for prefabricated cable pit 9; the utility model discloses do not restrict the total number of preventing subsiding the unit, specifically can confirm according to the length of prefabricated cable pit 9.
It should be noted that, the utility model provides a concrete structure of prefabricated cable pit 9 is the same with the structure of conventional cable pit among the prior art, and the inside of prefabricated cable pit 9 has set firmly cable support frame 91, and cable 92 places on cable support frame 91, and the upper portion of prefabricated cable pit 9 is equipped with the cable pit apron 93 that is used for preventing earth or rubbish etc. from getting into in the prefabricated cable pit 9.
The single anti-settling unit comprises a housing, a telescopic driving mechanism 2, a first balance sensor 3, a second balance sensor 4 and a controller.
Specifically, flexible actuating mechanism 2 locates in the shell, the one end of flexible actuating mechanism 2 is used for linking to each other with the bottom of prefabricated cable pit 9, the other end offsets with the bottom plate 11 of shell, that is, flexible actuating mechanism 2 locates between prefabricated cable pit 9 and the bottom plate 11, be used for supporting prefabricated cable pit 9 on the one hand, on the other hand, when earth subsides, be used for promoting bottom plate 11 through stretching out of flexible actuating mechanism 2 and subside downwards, make prefabricated cable pit 9 uplift simultaneously, thereby ensure that prefabricated cable pit 9 resumes to original position, make prefabricated cable pit 9 keep the horizontality.
The telescopic driving mechanism 2 is connected with the controller and is used for enabling the controller to control the telescopic driving mechanism 2 to work.
The utility model discloses do not injecing the concrete structure of flexible actuating mechanism 2 as long as have certain holding power and can realize flexible function can.
The outer casing slidable package is located the peripheral part of prefabricated cable pit 9 to avoid earth to get into the outer casing inside, influence the flexible actuating mechanism 2's of flexible.
It will be appreciated that when the telescopic drive mechanism 2 is extended, pushing the floor 11 downwardly, the housing slides along the outer side wall of the pre-cast cable trench 9 to descend with the floor 11.
In order to reduce the friction between the housing and the outer side wall of the prefabricated cable trench 9, the housing preferably includes a side plate 12 vertically connected to the bottom plate 11 and a guide plate 13 vertically connected to the side plate 12, the side plate 12 is configured to surround the outer side of the prefabricated cable trench 9 to prevent soil from entering the housing, and the guide plate 13 is configured to slidably engage with the side wall of the prefabricated cable trench 9 to guide the lifting of the housing.
The first balance sensor 3 is connected to the controller for detecting whether the base plate 11 is tilted. It can be understood that when the soil is settled, the bottom plate 11 is inclined, and therefore, when the first balance sensor 3 detects that the bottom plate 11 is inclined, the soil is settled, and at this time, the controller controls the telescopic driving mechanism 2 to extend according to the detection signal of the first balance sensor 3, so that the bottom plate 11 is settled downwards, and the prefabricated cable trench 9 is lifted upwards, so that the prefabricated cable trench 9 is prevented from being settled.
The second balance sensor 4 is connected to the controller for detecting whether the pre-cast cable trench 9 is inclined. It can be understood that, in order to make the pre-cast cable trench 9 play a better protection role for the cable 92 laid therein, the horizontal state of the pre-cast cable trench 9 needs to be ensured, so that when the second balance sensor 4 detects that the pre-cast cable trench 9 is restored to the horizontal state, the controller controls the telescopic driving mechanism 2 to stop operating according to the detection signal of the second balance sensor 4, so far, the initial state of the pre-cast cable trench 9 can be maintained, so as to protect the cable 92 from twisting, pulling and the like.
From this it can be seen, the utility model provides a prevent that cable pit subsides device, whether single prevent subsiding the unit and detect bottom plate 11 and prefabricated cable pit 9 slope respectively through first balanced sensor 3 and second balanced sensor 4, and make the controller respectively according to the detected signal of first balanced sensor 3 and second balanced sensor 4, control flexible actuating mechanism 2 action, and then prevent subsiding the unit combined action through a plurality of intervals settings, guarantee original position and the horizontality of prefabricated cable pit 9, thereby can prevent that prefabricated cable pit 9 from subsiding along with the subsiding of earth, lay the cable 92 in prefabricated cable pit 9 with the protection, make it not take place distortion and drag etc..
In order to protect the telescopic driving mechanism 2 and prolong the service life of the telescopic driving mechanism 2, on the basis of the above embodiment, the single anti-settling unit further comprises two movable supporting columns 5 arranged in the shell and a limiting part arranged on the bottom plate 11, wherein the two movable supporting columns 5 are used for supporting the prefabricated cable trench 9 when the prefabricated cable trench 9 is in a horizontal state, so that the telescopic driving mechanism 2 can be retracted, the stress on the telescopic driving mechanism 2 is avoided, the telescopic driving mechanism 2 can be prevented from being damaged, and the service life of the telescopic driving mechanism 2 is prolonged.
Specifically, the one end of two movable support columns 5 is used for being connected with the bottom rotation of prefabricated cable pit 9, and the other end of two movable support columns 5 offsets with bottom plate 11 respectively, and during initial condition, movable support column 5 slope sets up to at the elongated in-process of flexible actuating mechanism 2, make movable support column 5 rely on gravity to rotate to the position that its free end offsets with bottom plate 11. That is to say, in the process of extending the telescopic driving mechanism 2, the free ends of the movable supporting columns 5 always abut against the bottom plate 11, when the telescopic driving mechanism 2 stops extending, the two movable supporting columns 5 are supported between the prefabricated cable trench 9 and the bottom plate 11 to support the prefabricated cable trench 9, and at this time, the telescopic driving mechanism 2 can be retracted to avoid the stress on the telescopic driving mechanism 2.
Considering the specific arrangement of the two movable support columns 5, it is preferable that the two movable support columns 5 are symmetrically arranged with respect to the center line of the prefabricated cable trench 9 so that the prefabricated cable trench 9 is subjected to a relatively uniform supporting force. As shown in fig. 1, two movable supporting columns 5 are preferably rotatably connected to both sides of the bottom of the prefabricated cable trench 9. At this time, in order to save space, it is further preferable that both movable support columns 5 are disposed obliquely toward the bottom of the preliminary cable trench 9. The two movable supporting columns 5 are equal in length in view of the simplicity of the overall structure.
It should be noted that the utility model does not limit the rotation connection mode between the movable support pillar 5 and the prefabricated cable trench 9, for example, a connecting piece can be arranged at the bottom of the prefabricated cable trench 9 in advance, and the movable support pillar 5 is hinged with the connecting piece to realize the rotation connection between the movable support pillar 5 and the bottom of the prefabricated cable trench 9; the movable supporting column 5 can also be connected with the connecting piece through a bolt so as to prevent the movable supporting column 5 from being separated from the connecting piece, and it should be noted that the movable supporting column 5 can rotate relative to the bolt at the moment.
The locating part is used for spacing movable support post 5 to guarantee that movable support post 5 slides along the medial surface of bottom plate 11 after flexible actuating mechanism 2 withdrawal to the firm supporting role of prefabricated cable ditch 9.
In view of the simplicity and easy implementation of the specific structure of the telescopic driving mechanism 2, as a preferable solution, on the basis of the above embodiment, the telescopic driving mechanism 2 is a jack, and the supporting arm of the jack is abutted against the bottom plate 11. At this time, the fixing seat of the jack is installed at the bottom of the prefabricated cable trench 9.
In order to make the movable supporting column 5 rotate smoothly during the extension of the supporting arm, on the basis of the above embodiment, a guiding member for guiding the rotation of the movable supporting column 5 during the extension of the supporting arm is further included, and the guiding member is connected with the supporting arm.
That is to say, this embodiment leads to the rotation of activity support column 5 through the guide to make activity support column 5 rotate along predetermineeing the route, thereby make activity support column 5 pivoted more steady, avoid activity support column 5 to cause stuck point or card dead etc. at the rotation in-process.
In view of the simplicity of the structure of the guide member and the ease of implementation, on the basis of the above-described embodiment, the guide member includes the lateral post 6 vertically connected to the support arm, the lateral post 6 is provided with the first guide elongated hole 61 extending in the length direction thereof, the movable support post 5 is provided with the second guide elongated hole 51 extending in the length direction thereof, the movable support post 5 and the lateral post 6 are connected by the stopper bolt, and the stopper bolt is inserted through the first guide elongated hole 61 and the second guide elongated hole 51 so as to be movable along the first guide elongated hole 61 and the second guide elongated hole 51, respectively.
It can be understood that, during the extension of the support arm, the transverse column 6 descends along with the extension of the support arm, at this time, limited by the first guide strip hole 61, the limit bolt moves along the second guide strip hole 51, meanwhile, because the movable support column 5 rotates under the action of gravity, limited by the second guide strip hole 51, the limit bolt moves along the first guide strip hole 61, and the combined movement of the limit bolt makes the movable support column 5 and the transverse column 6 mutually limit, so as to ensure the movement of the two to be more stable.
In consideration of the specific structure of the limiting member for limiting the free end of the movable supporting column 5, on the basis of any one of the above embodiments, the limiting member includes a plurality of latches 7 protruding from the inner side surface of the bottom plate 11, and the latches 7 are configured to abut against the free end of the movable supporting column 5 to prevent the movable supporting column 5 from moving along the inner side surface of the bottom plate 11.
The specific number of the latch teeth 7 and the distance between two adjacent latch teeth 7 are not specifically limited in this embodiment, and those skilled in the art can set the number according to actual requirements.
Preferably, one side of the latch 7 facing the movable supporting column 5 is provided with an inclined surface, and the other side of the latch 7 is a vertical surface, so that when the movable supporting column 5 rotates by gravity, the free end of the movable supporting column 5 crosses over the latch 7 along the inclined surface of the latch 7, and the free end of the movable supporting column 5 crosses over the latch 7 more easily. When the movable supporting column 5 supports the prefabricated cable trench 9, the free end of the movable supporting column 5 is abutted against the vertical surface of the latch 7, so that the movable supporting column 5 is fixed more firmly.
In addition, when the settlement depth of earth is greater than the maximum extension length of the telescopic driving mechanism 2, in order to prevent the prefabricated cable trench 9 from settling, on the basis of the above embodiment, the prefabricated cable trench further comprises a filling channel 8 for filling concrete or earth to the bottom of the bottom plate 11, wherein the filling channel 8 is communicated with the bottom of the bottom plate 11, so that when the settlement depth of earth is greater than the maximum extension length of the telescopic driving mechanism 2, the filling channel 8 is used for filling concrete or earth to the bottom of the bottom plate 11, so that the bottom plate 11 is lifted, and the prefabricated cable trench 9 is lifted to the original position.
Preferably, the filling channel 8 is provided along a side wall of the housing.
The utility model discloses do not limit to the aperture size of filling passageway 8, technical personnel in the field can select according to actual need.
It can be understood that when the bottom plate 11 is lifted upwards, the bottom plate 11 generates a thrust force on the free end of the movable supporting column 5, so that the movable supporting column 5 rotates in the opposite direction against gravity, and in order to avoid the latch 7 from obstructing the free end of the movable supporting column 5 from moving along the inner side surface of the bottom plate 11, on the basis of the above embodiment, the latch 7 includes a first latch, a second latch and a third latch, the first latch is used for limiting the initial position of the movable supporting column 5, the second latch is used for limiting the rotation limit position of the movable supporting column 5, and the third latch is used for limiting the movable supporting column 5 between the initial position and the rotation limit position; the first latch and the second latch are fixedly arranged on the inner side face of the bottom plate 11, the third latch is connected with the lifting driving mechanism, the lifting driving mechanism is connected with the controller, and when concrete or soil is filled into the bottom of the bottom plate 11 through the filling channel 8, the controller controls the lifting driving mechanism to move, so that the third latch is lowered, and when the bottom plate 11 is lifted, the free end of the movable supporting column 5 moves along the inner side face of the bottom plate 11.
That is to say, in this embodiment, when the bottom plate 11 is lifted, the lifting driving mechanism lowers the third latch, so that the third latch is flush with the inner side surface of the bottom plate 11 or lower than the inner side surface of the bottom plate 11, and the third latch is made to avoid the movement of the free end of the movable supporting column 5.
It can be understood that, when the settlement depth of soil is in the flexible scope of flexible actuating mechanism 2, prevent subsiding the unit and normally work, at this moment, accessible controller control lift actuating mechanism action makes lift actuating mechanism drive third latch rise to preset position to play spacing effect to movable support column 5.
It should be noted that, the rotation limit position of the movable supporting column 5 corresponds to the maximum extension length of the telescopic driving mechanism 2, that is, when the telescopic driving mechanism 2 extends the maximum distance, the movable supporting column 5 rotates to the rotation limit position, at this time, when soil continues to be settled, the prefabricated cable trench 9 cannot be prevented from settling through the settlement prevention unit, and the prefabricated cable trench 9 needs to be prevented from settling by filling concrete or soil into the filling channel 8.
In consideration of the time for filling the filling channel 8 with concrete or soil and the time for stopping filling, on the basis of the above embodiment, the first latch is provided with a first sensor for detecting whether the movable supporting column 5 collides with the first latch; a second sensor for detecting whether the movable supporting column 5 collides with the second latch is arranged at the second latch; at the moment, the single anti-settling unit further comprises an alarm used for sending an alarm signal to the monitoring background, and the alarm is connected with the controller.
When the second sensor detects that the movable supporting post 5 collides with the second latch and the second balance sensor 4 detects that the pre-cast cable trench 9 is still inclined, it indicates that the movable supporting post 5 has rotated to the limit position, and the prefabricated cable trench 9 is still not restored to the horizontal state, which indicates that the settlement depth of the soil is greater than the maximum extension length of the telescopic driving mechanism 2, and the prefabricated cable trench 9 cannot be prevented from settling by the settlement prevention unit, the controller controls the alarm to send a first alarm signal to the monitoring background according to the detection signals of the second sensor and the second balance sensor 4, so that the service man fills concrete or earth to the bottom of the bottom plate 11 through the filling passage 8, and simultaneously the controller controls the telescopic driving mechanism 2 to retract so as to avoid the telescopic driving mechanism 2 from influencing the lifting of the bottom plate 11 in the process of filling concrete or soil.
When the first sensor detects that the movable supporting column 5 collides with the first latch, the movable supporting column 5 returns to the initial position, namely, the prefabricated cable trench 9 is supported to the original position, and at the moment, the controller controls the alarm to send a second alarm signal to the monitoring background according to the detection signal of the first sensor, so that the maintainer stops filling concrete or soil. At this time, the third latch can be driven to rise through the lifting driving mechanism, so that the anti-settling unit can work normally.
It can be understood that the first sensor, the second balance sensor 4 and the alarm all correspond to the anti-settling unit one to one, so that when a certain alarm sends a first alarm signal to the monitoring background, a maintainer can quickly locate the corresponding anti-settling unit to fill the filling channel 8 corresponding to the anti-settling unit.
It should be noted that, in the above embodiments, specific structures and detection principles of the first sensor, the second balance sensor 3, and the second balance sensor 4 are not limited, and any conventional sensor capable of implementing corresponding functions may be used in the prior art.
It is further noted that, in the present specification, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
It is right above that the utility model provides a prevent that cable ditch subsides device and has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.
Claims (10)
1. The utility model provides a prevent that cable pit subsides device which characterized in that, including being arranged in the anti-settlement unit of the length direction interval setting in earth along prefabricated cable pit (9), it is single prevent subsiding the unit and include:
the shell is slidably wrapped on the outer periphery of the prefabricated cable trench (9);
the telescopic driving mechanism (2) is arranged in the shell, one end of the telescopic driving mechanism is connected with the bottom of the prefabricated cable trench (9), and the other end of the telescopic driving mechanism (2) is abutted to a bottom plate (11) of the shell;
a first balance sensor (3) for detecting whether the base plate (11) is tilted;
a second balance sensor (4) for detecting whether the pre-cast cable trench (9) is inclined;
a controller connected with the telescopic driving mechanism (2), the first balance sensor (3) and the second balance sensor (4), wherein when the first balance sensor (3) detects that the bottom plate (11) is inclined, the controller controls the telescopic driving mechanism (2) to extend so as to enable the bottom plate (11) to descend downwards and enable the prefabricated cable trench (9) to ascend upwards; when the second balance sensor (4) detects that the prefabricated cable trench (9) is restored to the horizontal level, the controller controls the telescopic driving mechanism (2) to stop acting.
2. The cable pit settlement-prevention device of claim 1, wherein the single settlement-prevention unit further comprises:
the two movable supporting columns (5) are arranged in the shell and used for supporting the prefabricated cable trench (9) when the prefabricated cable trench (9) is in a horizontal state so as to avoid the stress of the telescopic driving mechanism (2), one ends of the two movable supporting columns (5) are used for being rotatably connected with the bottom of the prefabricated cable trench (9), the other ends of the two movable supporting columns are respectively abutted against the bottom plate (11), and in an initial state, the movable supporting columns (5) are obliquely arranged so as to enable the movable supporting columns (5) to rotate to positions where free ends of the movable supporting columns abut against the bottom plate (11) by means of gravity in the process of extending the telescopic driving mechanism (2);
locate bottom plate (11), be used for to the locating part that activity support column (5) carry out spacing.
3. The cable trench settlement prevention device as claimed in claim 2, wherein the telescopic driving mechanism (2) is a jack, a support arm of which abuts against the bottom plate (11).
4. The cable trench settlement prevention device of claim 3, further comprising a guide for guiding rotation of the movable support post (5) during elongation of the support arm, the guide being connected to the support arm.
5. The cable trench settlement prevention device according to claim 4, wherein the guide member comprises a transverse post (6) vertically connected to the support arm, the transverse post (6) is provided with a first guide elongated hole (61) extending along a length direction thereof, the movable support post (5) is provided with a second guide elongated hole (51) extending along a length direction thereof, the movable support post (5) and the transverse post (6) are connected by a stopper bolt, and the stopper bolt is movably inserted into the first guide elongated hole (61) and the second guide elongated hole (51) along the first guide elongated hole (61) and the second guide elongated hole (51), respectively.
6. The cable pit settlement prevention device as claimed in any one of claims 2-5, wherein the stop member comprises a plurality of latches (7) projecting from the inner side of the base plate (11) for abutting against the free end of the movable support column (5) to prevent the movable support column (5) from moving along the inner side of the base plate (11).
7. The cable trench settlement prevention device as claimed in claim 6, further comprising a filling channel (8) for facilitating filling of concrete or earth to the bottom of the bottom plate (11) when a settlement depth of earth is greater than a maximum extension length of the telescopic driving mechanism (2), the filling channel (8) communicating with the bottom of the bottom plate (11).
8. The cable pit settlement prevention device of claim 7, wherein the latch (7) comprises:
the first latch and the second latch are used for limiting the initial position and the rotation limit position of the movable supporting column (5) respectively, and are fixedly arranged on the inner side surface of the bottom plate (11);
and the third latch is used for limiting the movable supporting column (5) between the initial position and the rotation limit position, the third latch is connected with a lifting driving mechanism, the lifting driving mechanism is connected with the controller, and when concrete or soil is filled into the bottom of the bottom plate (11) through the filling channel (8), the controller controls the lifting driving mechanism to act, so that the third latch is lowered, and the free end of the movable supporting column (5) moves along the inner side surface of the bottom plate (11) when the bottom plate (11) is lifted.
9. The cable trench settlement prevention device as claimed in claim 8, wherein a first sensor for detecting whether the movable support column (5) collides with the first latch is provided at the first latch;
a second sensor for detecting whether the movable supporting column (5) collides with the second latch is arranged at the second latch;
the controller is used for controlling the alarm to send a first alarm signal to a monitoring background when the second sensor detects that the movable supporting column (5) collides with the second clamping tooth and the second balance sensor (4) detects that the prefabricated cable trench (9) is still inclined, so that a maintainer can fill concrete or soil into the bottom of the bottom plate (11) through the filling channel (8), and meanwhile, the controller controls the telescopic driving mechanism (2) to retract; when the first sensor detects that the movable supporting column (5) collides with the first latch, the controller controls the alarm to send a second alarm signal to the monitoring background so that a maintainer stops filling concrete or soil.
10. The cable pit settlement-prevention device of claim 6, wherein the housing comprises:
the side plate (12) is vertically connected with the bottom plate (11) and used for surrounding the outer side of the prefabricated cable trench (9);
and the guide plate (13) is vertically connected with the side plate (12) and is used for being in sliding fit with the side wall of the prefabricated cable trench (9).
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| CN201921769673.8U CN210468748U (en) | 2019-10-21 | 2019-10-21 | Prevent cable pit and subside device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102642706B1 (en) * | 2023-05-18 | 2024-03-04 | (주)조이엔지니어링 | Underground information and communication line protection panel using arduino horizontal retention system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102642706B1 (en) * | 2023-05-18 | 2024-03-04 | (주)조이엔지니어링 | Underground information and communication line protection panel using arduino horizontal retention system |
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