CN219974377U - Climbing-preventing device for power transmission tower - Google Patents

Abstract

The utility model provides an anti-climbing device for a power transmission tower, which comprises the following components: the lower end of the first ladder is fixedly connected with the spacing platform, and the upper end of the first ladder is fixedly connected with the tower head, so that a worker climbs to the position of the tower head from the spacing platform along the second ladder; the upper end and the lower end of the accommodating part are respectively fixedly connected to the interval platform and the base, and the accommodating part is provided with an accommodating groove; a second ladder disposed between the spacing platform and the base and rotatably disposed with respect to the accommodating portion, the second ladder being receivable in the accommodating groove so as to be in a stowed state, the second ladder being pulled out of the accommodating groove and rotated so as to be supportable at the base, the second ladder being in a climbing-provided state; and a protective door that can be opened or closed, wherein the protective door can be closed when the second ladder is in the storage state.

Description

Climbing-preventing device for power transmission tower

Technical Field

The utility model relates to the technical field of protection of power transmission towers, in particular to an anti-climbing device for a power transmission tower.

Background

In the process of long-distance power transmission, overhead power lines are selected. The transmission tower is the supporting point of overhead line, because the voltage that long distance transmission power adopted is all very high, consequently, in order to avoid the potential safety hazard that high-voltage circuit produced, the transmission tower is high generally. In remote areas, the inspection work of the transmission towers cannot be performed at high frequency. Thus, to avoid non-professionals or animals, etc. climbing the pylon at will, it is necessary to involve anti-climb facilities.

The power transmission tower is generally reserved with a ladder so as to facilitate maintenance work of cables by workers, and the ladder is mostly protected by using general protection equipment such as a door lock and the like, but the door lock and the like are easily damaged. There are also ways of arranging wire netting to stop, for example, as disclosed in chinese patent No. CN212957906U and chinese patent No. CN201437646U, which also cause a stop for the staff.

Disclosure of Invention

In order to solve one of the technical problems, the utility model provides an anti-climbing device for a power transmission tower.

According to one aspect of the present utility model, there is provided an anti-climb device for pylon comprising:

a base provided to the ground as a supporting structure;

the lower end of the lower support frame is fixedly connected to the base;

the upper end of the lower supporting frame is fixedly connected to the spacing platform, and the spacing platform is provided with a manhole;

the lower end of the upper support frame is fixedly connected to the spacing platform, and the upper end of the upper support frame is fixedly connected with a tower head;

the lower end of the first ladder is fixedly connected with the spacing platform, and the upper end of the first ladder is fixedly connected with the tower head, so that a worker climbs to the position of the tower head along the second ladder from the spacing platform;

the upper end and the lower end of the accommodating part are fixedly connected to the interval platform and the base respectively, and the accommodating part is provided with an accommodating groove;

a second ladder disposed between the spacing deck and the base and rotatably disposed with respect to the accommodation portion, the second ladder being receivable in the accommodation groove so as to be in a stowed state, the second ladder being pulled out of the accommodation groove and rotated so as to be supportable at the base, the second ladder being in a climbing-provided state; and

and the protective door can be opened or closed, and the protective door can be closed when the second ladder is in the storage state.

According to at least one embodiment of the pylon anti-climb device of the utility model, the receiving groove is configured to match the shape and size of the second ladder so that the surface of the second ladder is flush with the surface of the receiving portion after the second ladder is received in the groove.

According to at least one embodiment of the utility model, the lower end of the second ladder is provided with a limiting assembly which is rotatably connected to the lower end of the second ladder, and when the second ladder is in a state for climbing, the limiting assembly cooperates with a limiting hole provided in the base so as to limit the second ladder.

According to at least one embodiment of the utility model, the lower end of the second ladder is provided with a rotating groove, and the upper end of the limiting assembly is rotatably connected into the rotating groove.

According to at least one embodiment of the utility model, the limit assembly comprises a sleeve, a sleeve rod and a connecting block, wherein the connecting block is rotatably connected to the rotating groove, the sleeve rod is fixedly connected with the connecting block, and the sleeve rod is slidably connected with the sleeve rod.

According to at least one embodiment of the pylon anti-climb device of the utility model, the sleeve is extended relative to the loop bar when the second ladder is in the climb providing condition, and the sleeve is retracted relative to the loop bar when the second ladder is in the stow condition.

According to at least one embodiment of the utility model, the lower ends of the two sides of the second ladder are respectively provided with the limiting assemblies.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model.

Fig. 1 is a schematic structural view of a pylon according to the present utility model.

Fig. 2 is a schematic view of a part of a structure of a pylon according to the present utility model.

Fig. 3 is a schematic view of a part of a structure of a pylon according to the present utility model.

Fig. 4 is a schematic view of a part of a structure of a pylon according to the present utility model.

Fig. 5 is a cross-sectional view of the pylon of fig. 4 in accordance with the present utility model.

Fig. 6 is a schematic view of a part of a structure of a pylon according to the present utility model.

Fig. 7 is a schematic view of a part of a structure of a pylon according to the present utility model.

Fig. 8 is an enlarged view of section B of fig. 6 according to the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the substances, and not restrictive of the utility model. It should be further noted that, for convenience of description, only the portions related to the present utility model are shown in the drawings.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision. The technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings in combination with embodiments.

Unless otherwise indicated, the exemplary implementations/embodiments shown are to be understood as providing exemplary features of various details of some of the ways in which the technical concepts of the present utility model may be practiced. Thus, unless otherwise indicated, the features of the various implementations/embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concepts of the present utility model.

The use of cross-hatching and/or shading in the drawings is typically used to clarify the boundaries between adjacent components. As such, the presence or absence of cross-hatching or shading does not convey or represent any preference or requirement for a particular material, material property, dimension, proportion, commonality between illustrated components, and/or any other characteristic, attribute, property, etc. of a component, unless indicated. In addition, in the drawings, the size and relative sizes of elements may be exaggerated for clarity and/or descriptive purposes. While the exemplary embodiments may be variously implemented, the specific process sequences may be performed in a different order than that described. For example, two consecutively described processes may be performed substantially simultaneously or in reverse order from that described. Moreover, like reference numerals designate like parts.

When an element is referred to as being "on" or "over", "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to," or "directly coupled to" another element, there are no intervening elements present. For this reason, the term "connected" may refer to physical connections, electrical connections, and the like, with or without intermediate components.

For descriptive purposes, the utility model may use spatially relative terms such as "under … …," under … …, "" under … …, "" lower, "" above … …, "" upper, "" above … …, "" higher "and" side (e.g., as in "sidewall") to describe one component's relationship to another (other) component as illustrated in the figures. In addition to the orientations depicted in the drawings, the spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture. For example, if the device in the figures is turned over, elements described as "under" or "beneath" other elements or features would then be oriented "over" the other elements or features. Thus, the exemplary term "below" … … can encompass both an orientation of "above" and "below". Furthermore, the device may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising," and variations thereof, are used in the present specification, the presence of stated features, integers, steps, operations, elements, components, and/or groups thereof is described, but the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof is not precluded. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximation terms and not as degree terms, and as such, are used to explain the inherent deviations of measured, calculated, and/or provided values that would be recognized by one of ordinary skill in the art.

The utility model provides an anti-climbing device for a power transmission tower. The anti-climbing device for the power transmission iron tower aims at preventing non-professional personnel from climbing the iron tower at will so as to generate safety accidents and the like.

As shown in fig. 1, the pylon according to the present utility model may include a base 100, a tower body 200, and a tower head 300.

The base 100 may be disposed on the ground, may be formed of a material such as concrete or reinforced concrete, and may be partially buried deep into the ground to provide a support structure for the substrate. This is a common part of the art and will not be described in detail.

The lower portion of the tower 200 may be fixed to the base 100, and the tower 200 is supported by the base 100. And the upper portion of the tower 200 may be provided with a tower head 300. The tower head 300 may be used for installing a power line, and the structure of the tower head 300 may be a structure commonly used in the prior art, which is not described herein. In addition, the connection and fixation of the tower head 300 and the tower body 200 are also conventional in the art.

The structure of the tower 200 will be described in detail. The tower 200 may be provided with a lower support frame 210, an upper support frame 220, and a spacer platform 230. The upper end of the lower support frame 210 may be fixedly connected to the spacing platform 230, and the number of the lower support frames 210 may be four, so that the spacing platform 230, the upper support frame 220, etc. may be stably supported. The lower end of the upper support frame 220 may be fixedly connected to the spacing deck 230, and the upper portion may be connected to the tower head 300.

The spacer 230 may be in the form of a flat plate, which may serve as a connection portion between the lower support frame 210 and the upper support frame 220, and may serve as a resting place for a worker. The lower support frame 210 and the upper support frame 220 may have a frame structure, and a conventional structure thereof may refer to an existing structure, and those skilled in the art may construct the support frame according to actual situations.

Fig. 2 shows a schematic view of the upper support frame 220 and tower head 300 removed. As shown in fig. 2, a manhole 231 may be formed at the spacing platform 230, wherein the manhole may be sized to allow a worker to pass therethrough. As shown in fig. 2, a first ladder 232 may also be provided, wherein the first ladder 232 may allow a worker to climb upwards. The lower end of the first ladder 232 may be fixedly coupled to the spacing platform 230, and the upper end of the first ladder 232 may be supported by the upper end of the upper support bracket 220 (as shown in fig. 1). In addition, in order to allow the worker to climb to the top, a space (as shown in fig. 1) should be left at the upper end of the upper support frame 220 to allow the worker to pass through. In addition, to ensure stability of the first ladder 232, the middle portion of the first ladder 232 may also be connected to the upper support frame 220 by a lateral steel member.

As shown in fig. 2, the pylon anti-climb device may further include a second ladder 211 for climbing up through the second ladder 211, to the first ladder 232 via the manhole 231 of the spacer platform 230, and to the top of the pylon from climbing along the first ladder 232 for performing the corresponding work, in accordance with an embodiment of the present utility model. In the present utility model, the second ladder 211 needs to be provided in a form capable of rotating with respect to the spacing deck 230. The following will explain in detail.

Fig. 3 shows a schematic front view of an anti-climb device for pylon according to the utility model (not shown base), wherein the second ladder 211 has been set in a state in which it can be climbed. As shown in fig. 3, a worker may climb along a second ladder and a first ladder to the top of the pylon. Fig. 4 shows a schematic back view of an anti-climb device for pylon according to the utility model.

Fig. 5 shows a schematic view of section A-A of fig. 4. In which the state of the second ladder is shown in fig. 5 already set to a state in which it can be climbed. From fig. 5 it can be seen that a worker can climb via manhole 231.

The structure for preventing climbing will be described in detail below. Fig. 6 shows other structures associated with the second ladder 211. As shown in fig. 6, the pylon anti-climb device may further include a receiver 212, wherein a lower end of the receiver 212 may be secured to the base 100 and an upper end may be secured to an underside of the spacer platform 230. The accommodating portion 212 serves to accommodate the second ladder 211. The accommodating portion 212 may be provided with an accommodating groove 2121, wherein the accommodating groove 2121 may be formed in a shape and size corresponding to those of the second ladder 211, so that the second ladder 211 may be accommodated in the accommodating portion 212. In the case where the second ladder 211 is received in the receiving portion 212, the surface of the second ladder 211 may be flush with the surface of the receiving portion 212. As can be seen in fig. 6, the second ladder 211 may be arranged in a rotatable manner with respect to the receiving portion 212, such that the second ladder 211 is also indirectly rotatable with respect to the spacer platform 230. The rotatable structures of the second ladder 211 and the accommodating portion 212 may be any suitable structures, and will not be described herein.

In addition, to facilitate the worker's transformation of the second ladder 211 from the stowed condition to the climbing condition, at least one of the receiving slots 2121 (e.g., at least one of the lateral receiving slots shown in fig. 6) may be sized larger than the corresponding portion of the second ladder so that the worker may pull out the second ladder.

According to an embodiment of the present utility model, a spacing assembly 213 may be provided at the lower end of the second ladder 211, wherein the spacing assembly 213 is rotatably connected to the lower end of the second ladder 211. As shown in fig. 6, a swivel slot 2111 may be provided at the lower end of the second ladder 211, the swivel slot 2111 receiving the upper end of the spacing assembly 213. The rotatable connection of the second ladder 211 and the spacing assembly 213 may use any suitable existing structure. In the present utility model, the limiting assembly 213 is provided in a retractable structure. For example, in the case where it is necessary to receive the second ladder 211 in the receiving portion 212, the stopper assembly 213 is in a contracted state so as to be received in the receiving groove 2121 (see the vertical portions of both sides of the lower end of fig. 6). It will be appreciated by those skilled in the art that for a ladder, it has two sides and therefore a spacing assembly 213 may be provided at the lower end of each side.

Fig. 7 shows a way of restraining the second ladder 211. In the present utility model, in a case where the stopper assembly 213 is in an extended state (described in detail later), the lower end of the stopper assembly 213 may be received in a stopper hole 101 provided on the base 100. Wherein the check assembly 213 is in alignment with the check hole 101 if the second ladder is pulled out to a fully pulled-out condition (i.e., no longer pulled outward) for ease of worker operation. The lower end of the spacing assembly 213 in such an extended state may be seated in the spacing hole, so that the second ladder 211 may be realized in a stable climbing state.

As shown in fig. 7, the stop assembly 213 may include a sleeve 2131 and a stem 2132. Wherein the stem 2132 may be received in the sleeve 2131 and the sleeve 2131 may slide relative to the stem 2132. The upper end of the stem 2132 may be fixedly connected to the connection block 2133 by welding or the like. The connection block 2133 may be received in the rotational groove 2111. For example, the connection block 2133 may be provided with a through hole and connected to both sides of the rotational groove 2111 by connection rods, which may be a conventional manner in the art, and will not be described herein. In the solution of the present utility model, it is necessary to control the sliding movement of the sleeve 2131 with respect to the stem 2132, in the present utility model, it is possible to use the conventional manner in the prior art, for example, by means of a latch, for example, a door latch, etc. For the sake of detailed description, a schematic structure of the latch is provided in fig. 8, and fig. 8 is an enlarged view of a portion B of fig. 6. For example, a connection portion 2134 may be provided below the stem 2132, and the connection portion 2134 may be fixedly connected to the lower end of the stem 2132 by welding or the like. And the connecting portion 2134 may be fixedly connected to the handle 2135. The operator can operate the handle 2135 to effect the telescoping of the sleeve 2131 relative to the stem 2132. It will be appreciated by those skilled in the art that to facilitate movement of the handle 2135, a sliding groove may be provided in the sleeve 2131. The sliding groove is provided in an L shape or コ shape. In the present utility model, it is preferably provided in a コ shape. Thus, the retraction and fixation of the sleeve 2131 can be achieved by moving the handle to the upper transverse portion, the extension and fixation of the sleeve 2131 can be achieved by moving the handle to the lower transverse portion, and the conversion between the retracted state and the extended state can be achieved by moving the handle to the vertical portion.

According to an embodiment of the utility model, the pylon anti-climb device may include a guard door 400. With the second ladder 211 received in the receiving portion 212, the worker can close and lock the guard door. In addition, an identity recognition device 401, such as a card swiping device, may be disposed on the door body of the protection door 400, but these identity recognition devices are all conventional technical means in the art and will not be described in detail.

According to the embodiment of the utility model, non-staff can be effectively prevented from climbing the power transmission tower, so that safety accidents are prevented, and the power transmission tower is convenient to use, and the staff only needs to open the protective door, pull out the ladder and then position. Compared with the prior art, the motor is used for driving, and the like, so that the cost can be greatly saved. Compared with the prior art, the wire netting and other modes are arranged, so that the operation of staff can be facilitated. And according to the embodiment of the utility model, the whole appearance is very concise.

In the description of the present specification, reference to the terms "one embodiment/manner," "some embodiments/manner," "example," "a particular example," "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment/manner or example is included in at least one embodiment/manner or example of the utility model. In this specification, the schematic representations of the above terms are not necessarily for the same embodiment/manner or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/modes or examples described in this specification and the features of the various embodiments/modes or examples can be combined and combined by persons skilled in the art without contradiction.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

It will be appreciated by persons skilled in the art that the above embodiments are provided for clarity of illustration only and are not intended to limit the scope of the utility model. Other variations or modifications will be apparent to persons skilled in the art from the foregoing disclosure, and such variations or modifications are intended to be within the scope of the present utility model.

Claims (7)

1. An anti-climb device for a pylon, comprising:

a base provided to the ground as a supporting structure;

the lower end of the lower support frame is fixedly connected to the base;

the upper end of the lower supporting frame is fixedly connected to the spacing platform, and the spacing platform is provided with a manhole;

the lower end of the upper support frame is fixedly connected to the spacing platform, and the upper end of the upper support frame is fixedly connected with a tower head;

the lower end of the first ladder is fixedly connected with the spacing platform, and the upper end of the first ladder is fixedly connected with the tower head, so that a worker climbs to the position of the tower head along the second ladder from the spacing platform;

the upper end and the lower end of the accommodating part are fixedly connected to the interval platform and the base respectively, and the accommodating part is provided with an accommodating groove;

a second ladder disposed between the spacing deck and the base and rotatably disposed with respect to the accommodation portion, the second ladder being receivable in the accommodation groove so as to be in a stowed state, the second ladder being pulled out of the accommodation groove and rotated so as to be supportable at the base, the second ladder being in a climbing-provided state; and

and the protective door can be opened or closed, and the protective door can be closed when the second ladder is in the storage state.

2. The pylon anti-climb device of claim 1 wherein the receiving slot is configured to match the shape and size of the second ladder such that a surface of the second ladder is flush with a surface of the receiving portion after the second ladder is received in the slot.

3. The pylon anti-climb device of claim 1, wherein the lower end of the second ladder is provided with a spacing assembly rotatably connected to the lower end of the second ladder and wherein the spacing assembly cooperates with a spacing hole provided in the base to limit the second ladder when the second ladder is in a climbing position.

4. A pylon anti-climb device according to claim 3, wherein the lower end of the second ladder is provided with a swivel groove, and the upper end of the limit assembly is rotatably connected into the swivel groove.

5. The pylon anti-climb device of claim 4, wherein the limit assembly comprises a sleeve, a loop bar, and a connection block rotatably connected to the rotation slot, the loop bar fixedly connected to the connection block, the sleeve slidably connected to the loop bar.

6. The pylon anti-climb device of claim 5 wherein the sleeve is extended relative to the loop bar when the second ladder is in a climbing position and retracted relative to the loop bar when the second ladder is in a stowed position.

7. The pylon anti-climb device of claim 3 wherein lower ends of both sides of the second ladder are each provided with the spacing assembly.