CN109577374B

CN109577374B - Anti-theft electric power well

Info

Publication number: CN109577374B
Application number: CN201811384252.3A
Authority: CN
Inventors: 高科明; 高科宏; 万元
Original assignee: Anhui Puzhao Environmental Technology Co ltd
Current assignee: Anhui Puzhao Environmental Technology Co ltd
Priority date: 2018-11-20
Filing date: 2018-11-20
Publication date: 2020-10-27
Anticipated expiration: 2038-11-20
Also published as: CN109577374A

Abstract

The invention relates to an electric power infrastructure, and discloses an anti-theft electric power well which comprises a well body and a well cover arranged at the top of the well body, wherein an annular stepped groove is formed in the well cover, a rotating ring is rotatably connected in the annular stepped groove, a plurality of insertion holes are formed in the rotating ring, a sliding column with unequal length is connected in each insertion hole in a sliding manner, gear pieces are fixed at the bottom of each sliding column, all the gear pieces are spliced into a gear, a rotating rod for driving the gear pieces to rotate is rotatably connected to the well cover, a connecting rod is fixed at the bottom of the well cover, a strip-shaped groove is formed in the connecting rod, a rack meshed with the gear pieces is connected in the strip-shaped groove in a sliding manner, and a; the jack is also internally provided with a clamping groove for clamping the elastic blocks in a matching way. Because the sliding columns are not equal in length, all the gear pieces can be spliced only by inserting the bolt with the correct length, and the length becomes a password, so that the anti-theft effect is achieved; and the structure is convenient to disassemble and assemble, and time and energy are saved.

Description

Anti-theft electric power well

Technical Field

The invention relates to an electric power infrastructure, in particular to an anti-theft electric power well.

Background

In the aspect of electric power, a vertical channel for people to go down, namely an electric power well, is excavated at intervals for convenient maintenance and threading. At present, the nodular cast iron well cover is widely applied to urban water supply wells, sewage wells and water meter wells due to good pressure bearing capacity and long service life, and is also commonly used as the well cover of an electric power well. However, the iron has recycling value, so that the well lid is often stolen, potential safety hazards are buried for pedestrians, and if the well lid is stolen, passers-by easily fall into the well, and personal safety accidents are caused.

Chinese patent document with publication number CN201406694Y discloses a novel anti-theft manhole cover and a special opening sleeve thereof, which comprises an upper cover and a base, wherein one end of the upper cover is hinged with the base through a hinge shaft and is installed on the inner edge of the base in a matching manner, the upper cover corresponding to the other end of the hinge shaft is provided with a picking and hanging through hole, the edge of the upper cover is radially and uniformly provided with lock holes, the inner edge of each lock hole and the inner edge of the base are provided with a pentagonal bolt in a common thread meshing manner, each lock hole is a combined hole of a circular hole and a rectangular hole which are communicated with each other, the circular hole is used for the in and out of the special opening sleeve, the pentagonal bolt can be placed into or taken out of the lock hole cavity through the circular hole, the width of the rectangular hole is smaller than the diameter of the circular hole, the upright rod which is suitable for the special opening sleeve to transversely move, and the anti-theft manhole, Low cost.

Among the above-mentioned technical scheme, the pentagon bolt is comparatively special, does not have the opening tool of special pentagon bolt in the market, but the lockhole sets up on the well lid surface, and other people can observe concrete fixed knot easily and construct, and it is difficult to produce the simple and easy instrument of complex according to the shape of bolt again, leads to the well lid to suffer destruction easily, is difficult to play the theftproof performance. Therefore, an anti-theft electric power well with a safe unlocking manner is needed to improve the anti-theft performance.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide an anti-theft electric power well, wherein an anti-theft structure of the anti-theft electric power well has a field detachable function, and the time and the energy of operators are saved.

The technical purpose of the invention is realized by the following technical scheme:

an anti-theft electric well comprises a well body and a well cover arranged at the top of the well body, wherein an annular stepped groove is formed in the well cover, a rotating ring is connected in the annular stepped groove in a rotating manner, more than 2 jacks are formed in the rotating ring, sliding columns are connected in each jack in a sliding manner, the sliding columns are different in length and fixed with gear pieces at the bottom, all the gear pieces are spliced into a gear, a rotating rod used for driving the gear pieces to rotate is rotatably connected to the well cover, a connecting rod is fixed at the bottom of the well cover, a strip-shaped groove is formed in the connecting rod, a rack meshed with the gear pieces is connected in a sliding manner in the strip-shaped groove, and a sliding groove for the rack to enter is formed in the inner wall of the well body; still peg graft in the jack and cooperate and be used for the shutoff the bolt of jack, be fixed with the elastic block more than 2 on the bolt, it supplies to have seted up in the jack the draw-in groove of elastic block joint.

By adopting the technical scheme, when the rotating rod rotates, the gear formed by splicing all the gear pieces rotates and drives the rack to move in the sliding groove, so that the well lid is locked and unlocked; because the length of the sliding column is different, the heights of different gear pieces are also different, each gear piece can be moved to the same plane only by inserting bolts with different lengths, and the specific inserted length is used as a password to be known by an operator, so that the anti-theft purpose is achieved; and the well lid can be disassembled without other special tools, so that the well lid is convenient to disassemble and assemble, and the time and the energy of operators are saved.

The invention is further arranged in such a way that an extension spring is sleeved on the sliding column, one end of the extension spring is fixed with the gear piece, and the other end of the extension spring is fixed with the bottom of the rotating ring; the length of the plug pin is smaller than the depth of the jack; the length of the sliding column is smaller than the sum of the original length of the extension spring and the depth of the jack.

Through adopting above-mentioned technical scheme, the length setting of post that will slide is less than extension spring's original length and jack degree of depth sum to this ensures that the post top that slides is located the jack all the time, thereby limits the range of movement of gear piece, and reserves sufficient space for the bolt, and when the bolt inserted the jack completely, extension spring's length was in the elasticity within range, ensures extension spring's permanent use with this, prolongs the life of well lid.

The invention is further characterized in that a driving gear is fixed at the bottom of the rotating rod, external teeth meshed with the rack and internal teeth meshed with the driving gear are arranged on the gear piece, and the centers of the external teeth, the internal teeth and a reference circle of the driving gear are on the same straight line.

Through adopting above-mentioned technical scheme, at dwang bottom fixed drive gear, when drive gear rotated, drive each gear piece and rotate and drive the swivel becket simultaneously around drive gear and rotate, because the reference circle centre of a circle of external tooth, internal tooth and drive gear is on same straight line, and the radius of external tooth reference circle is greater than the radius of drive gear reference circle, has ensured the even atress of three's synchronous rotation relation and each gear piece to make the process of unblanking more laborsaving.

The invention is further provided that the upper surface of the well cover inclines from the center to the periphery, and the center of the well cover is the highest point; the lateral wall slope in all sides of well lid sets up, well body top is offered and is used for placing the mounting groove of well lid, mounting groove bottom intercommunication has seted up drainage tank on the well body.

Through adopting above-mentioned technical scheme, set the well lid to above-mentioned shape, utilize rivers such as the surface guide rainwater of slope to flow direction well lid all around to set up the rivers derivation that the water drainage tank will fall into the mounting groove, thereby avoid rivers to get into the internal operation that influences electric power facility in the well.

The bottom of the section of the rotating ring is in a conical depression, the bottom of the annular stepped groove is provided with a first inclined part, and a first drainage channel communicated with the first inclined part is formed in the well cover.

Through adopting above-mentioned technical scheme, set up conical sunken with the rotating ring bottom to this avoids rivers to get into in the jack along the rotating ring bottom, and sets up first drainage tank and derives rivers, thereby ensures the waterproof performance of rotating ring department.

The manhole cover is further provided with a stepped hole for the rotating rod to rotate, the top of the rotating rod is fixedly provided with a knob, the knob is provided with an arc-shaped groove, the bottom of the knob is in a conical depression, the top of the stepped hole is provided with a second inclined part, and a second drainage channel communicated with the second inclined part is arranged in the manhole cover.

Through adopting above-mentioned technical scheme, set up knob and arc wall so that operating personnel drive the dwang and rotate to set up the rivers derivation that second rake and second drainage pipe will fall into the shoulder hole, with this comprehensive nature of guaranteeing well lid waterproof performance.

The invention is further provided that the top of the sliding column is provided with a butt joint port, and the bottom of the bolt is fixed with a butt joint column which is in plug-in fit with the butt joint port; side grooves are formed in the peripheral sides of the sliding columns, sealing rings are sleeved in the side grooves, and return springs with end portions fixed to the side grooves are fixed to the sealing rings.

Through adopting above-mentioned technical scheme, utilize the grafting cooperation of butt joint mouth and butt joint post to realize the bolt and slide the post between can dismantle and be connected to at the column week side installation sealing washer that slides, utilize reset spring to improve the compactness between sealing washer and the shoulder hole inner wall, thereby improve the leakproofness and the waterproof nature of shoulder hole.

The invention is further arranged in that a side cavity is arranged at the bottom of the butt joint, a short rod is rotatably connected in the side cavity, a compression spring with the end part fixed with the inner wall of the side cavity is fixed at one end of the short rod, and an elastic rope with the end part extending into the side groove and fixed with the sealing ring is fixed at the other end of the short rod.

Through adopting above-mentioned technical scheme, when the butt joint post was inserted in the butt joint mouth, the quarter butt rotated, and compression spring is compressed, and the elasticity rope is taut in with the sealing washer to the post that slides, and reset spring is compressed this moment, and the frictional resistance between post and the shoulder hole that slides reduces to this is convenient for slide of sliding post, thereby is more laborsaving when making operating personnel insert the bolt.

The anti-falling device is further provided with a plurality of fixing plates fixed on the inner wall of the well body, and anti-falling nets are placed on the fixing plates.

By adopting the technical scheme, the well body is provided with the plurality of fixing plates, and the anti-falling net is supported by the fixing plates, so that the bearing capacity of the anti-falling net is enhanced, and the anti-falling effect of the anti-falling net is ensured.

The anti-falling net is further arranged to be composed of a plurality of net units, the adjacent net units are hinged, and a placing groove for placing the anti-falling net is formed in the well body.

Through adopting above-mentioned technical scheme, will prevent weighing down the net and design into to form by a plurality of net units are articulated to this collapsible function that realizes preventing weighing down the net is convenient for operating personnel to get into and accomodate preventing weighing down the net to the standing groove before in the pit body, thereby save the time and the energy of dismouting preventing weighing down the net.

In conclusion, the beneficial technical effects of the invention are as follows:

1. in the scheme, due to the fact that the sliding columns are different in length, all gear pieces can be spliced only by inserting bolts different in length, the length becomes a password, and an anti-theft effect is achieved; the structure is convenient to disassemble and assemble, and time and energy are saved;

2. the detachable connection between the plug pin and the sliding column is realized by the insertion and matching of the butt joint port and the butt joint column, the sealing ring is arranged on the periphery of the sliding column, and the tightness between the sealing ring and the inner wall of the stepped hole is improved by the aid of the reset spring, so that the sealing performance and the water resistance of the stepped hole are improved;

3. the anti-falling net is designed to be formed by hinging a plurality of net units, so that the folding function of the anti-falling net is realized, the anti-falling net is conveniently stored in the placing groove before an operator enters the well body, and the time and the energy for disassembling and assembling the anti-falling net are saved.

Drawings

FIG. 1 is a schematic sectional view of the overall structure of the embodiment;

FIG. 2 is a schematic structural view of a manhole cover in the embodiment;

FIG. 3 is an enlarged schematic view at A in FIG. 1;

FIG. 4 is a schematic structural diagram of the top of the slipping column in the embodiment;

fig. 5 is a schematic distribution diagram of all gear pieces in the embodiment.

In the figure: 1. a well body; 11. a chute; 12. mounting grooves; 13. a water discharge tank; 2. a well cover; 21. an annular stepped groove; 211. a first inclined portion; 22. a first drain passage; 23. a second drain channel; 24. a stepped hole; 241. a second inclined portion; 25. a connecting rod; 251. a strip-shaped groove; 31. a rotating ring; 311. a jack; 312. a card slot; 32. a bolt; 321. an elastic block; 322. butting columns; 33. rotating the rod; 331. a knob; 332. an arc-shaped slot; 34. sliding the column; 341. a butt joint port; 35. a gear piece; 351. an outer tooth; 352. internal teeth; 36. an extension spring; 37. a drive gear; 38. a rack; 41. a lateral cavity; 42. a short bar; 43. a rotating shaft; 44. a compression spring; 45. an elastic cord; 46. a side groove; 47. a seal ring; 48. a return spring; 5. the anti-falling net; 51. a fixing plate; 52. a net unit; 53. and (6) placing the groove.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the anti-theft electric power well comprises a well body 1, wherein the well body 1 is hollow, an installation groove 12 is formed in the top of the well body 1, and the installation groove 12 is used for placing a well lid 2. The cross section of the well lid 2 is circular, the upper surface of the well lid inclines from the center to the periphery, and the center of the well lid is the highest point; the side wall of the periphery of the well lid 2 is obliquely arranged. Still seted up water drainage tank 13 on the well body 1, water drainage tank 13 one end communicates with each other with mounting groove 12, and the other end accesss to outside the well body 1 to this rivers on with the well lid 2 are derived in being convenient for, thereby avoid rivers to get into and influence the operation of electric power facility in the well body 1.

As shown in fig. 1 and 2, a stepped hole 24 is formed in the center of the well lid 2, and as shown in fig. 3, the stepped hole 24 penetrates through the well lid 2, and the diameter of the top of the stepped hole is larger than that of the bottom of the stepped hole. A rotating rod 33 is installed in the stepped hole 24, a knob 331 is fixed on the top of the rotating rod 33, the knob 331 is circular, and five arc-shaped grooves 332 are formed on the periphery of the knob 331 to correspond to five fingers of an operator. The bottom of the knob 331 is recessed in a conical shape, the top of the stepped hole 24 is provided with a second inclined part 241, and the shape of the second inclined part 241 is matched with that of the knob 331; a second drainage channel 23 is further formed in the well lid 2, one end of the second drainage channel 23 is communicated with the second inclined part 241, and the other end of the second drainage channel extends to the outer side wall of the periphery of the well lid 2, so that water flow can be conveniently discharged from the drainage groove 13. The well lid 2 is further provided with an annular step groove 21, the annular step groove 21 is annular, and a rotating ring 31 is installed in the annular step groove 21. Annular ladder groove 21 bottom is equipped with

first rake

211, and 31 cross-section bottoms of rotating ring are the toper sunken, and still seted up first drainage channel 22 in the well lid 2, and first drainage channel 22 one end communicates with each other with first rake 211, and the other end extends to well lid 2 week side lateral wall outside to this is convenient for rivers from water drainage tank 13 discharge.

As shown in fig. 1 and 3, a drive gear 37 is fixed to the bottom of the rotating lever 33, and the central axis of the drive gear 37 coincides with the central axis of the rotating lever 33. Six jacks 311 are further formed in the rotating ring 31, the cross sections of the jacks 311 are square, and three groups of clamping grooves 312 are formed in the inner wall of the jacks 311. The plug pin 32 is inserted and matched in the jack 311, three groups of elastic blocks 321 are fixed on the side walls of two sides of the plug pin 32, the elastic blocks 321 are made of rubber and have good elasticity, the elastic blocks 321 are in clamping fit with the clamping grooves 312, and when the elastic blocks 321 at different positions are in clamping fit with the clamping grooves 312 at different positions, the depths of the plug pin 32 entering the jack 311 are different. The jack 311 is also provided with a sliding column 34 in a sliding fit manner, the sliding column 34 is cylindrical, the top of the sliding column 34 is detachably connected with the plug pin 32, and the bottom of the sliding column extends to the lower part of the well lid 2. As shown in fig. 4, the top of the sliding pillar 34 is provided with a docking interface 341, the bottom of the plug 32 is fixed with a docking pillar 322, and the docking pillar 322 is in plugging fit with the docking interface 341. Two symmetrically arranged side cavities 41 are further formed in the bottom of the interface 341, and a short rod 42 is installed in each side cavity 41. A rotating shaft 43 is fixed in the middle of the short rod 42, and the rotating shaft 43 is rotatably connected with the inner wall of the side cavity 41. The short rod 42 is fixed with a compression spring 44, and the other end of the compression spring 44 is fixed with the inner wall of the side cavity 41. The other end of the short rod 42 is fixed with an elastic rope 45, and the other end of the elastic rope 45 penetrates through the sliding column 34 and extends into a side groove 46 formed on the peripheral side of the sliding column 34. The side groove 46 is annular, a sealing ring 47 is sleeved on the side groove, the end part of the elastic rope 45 is fixed with the sealing ring 47, and a return spring 48 is further arranged between the sealing ring 47 and the inner wall of the side groove 46. One end of a return spring 48 is fixed to the inner wall of the side groove 46, and the other end is fixed to the seal ring 47. When the docking pin 322 is inserted into the docking port 341, the short rod 42 rotates, the compression spring 44 is compressed, the elastic cord 45 pulls the sealing ring 47 toward the inside of the sliding pin 34, the return spring 48 is compressed, and the frictional resistance between the sliding pin 34 and the stepped hole 24 is reduced, thereby facilitating the sliding of the sliding pin 34. In the embodiment, the plug 32 is detachably connected with the sliding column 34 by the plug fit of the butt-joint interface 341 and the butt-joint column 322, the sealing ring 47 is installed on the periphery of the sliding column 34, and the tightness between the sealing ring 47 and the inner wall of the stepped hole 24 is improved by the return spring 48, so that the sealing performance and the water resistance of the stepped hole 24 are improved.

As shown in fig. 1, a connecting rod 25 is fixed at the bottom of the well lid 2, a strip-shaped groove 251 is formed in one end of the connecting rod 25, which is far away from the well lid 2, and a rack 38 is slidably mounted in the strip-shaped groove 251. And the inner wall of the well body 1 is provided with a chute 11 for the rack 38 to enter. The length of the sliding columns 34 installed on the well lid 2 is different, and a gear piece 35 is fixed at the bottom of each sliding column 34, and the height of the gear piece 35 is different due to the length of the sliding column 34. An extension spring 36 is further sleeved on the sliding column 34, one end of the extension spring 36 is fixed with the gear piece 35, and the other end of the extension spring is fixed with the bottom of the rotating ring 31; and the length of the plug pin 32 is smaller than the depth of the jack 311; the length of the sliding column 34 is less than the sum of the original length of the extension spring 36 and the depth of the insertion hole 311. As shown in fig. 5, each gear plate 35 has external teeth 351 and internal teeth 352, and all gear plates 35 can be assembled into a complete gear when they are at the same height. The centers of reference circles of the external teeth 351, the internal teeth 352 and the drive gear 37 are on the same line, and when all the gear pieces 35 are located at the same height, the internal teeth 352 mesh with the drive gear 37, and the external teeth 351 mesh with the rack 38. When the rotating rod 33 rotates, the driving gear 37 rotates along with the rotating rod, and drives the gear formed by combining all the gear pieces 35 to rotate, so that the rack 38 is driven to move in the sliding chute 11, and the locking and unlocking of the well lid 2 are realized.

As shown in fig. 1, a plurality of fixing plates 51 are fixed on the inner wall of the well 1, and the fixing plates 51 are distributed around the central axis of the well 1, in this embodiment, 4 fixing plates 51 are taken as an example. The anti-falling net 5 is placed on the fixing plate 51, the anti-falling net 5 is composed of a plurality of net units 52, and the net units 52 are all made of high-strength steel wires and have high impact resistance. The adjacent net units 52 are hinged, so that the anti-falling net 5 can be folded. The inner wall of the well body 1 is further provided with a placing groove 53 for placing the anti-falling net 5, so that the anti-falling net 5 can be conveniently stored in the placing groove 53 before an operator enters the well body 1, and the time and the energy for dismounting the anti-falling net 5 are saved.

When the manhole cover 2 is used, an operator only needs to adjust each bolt 32 to a preset height in sequence, so that the gear pieces 35 at the bottom of the sliding column 34 are located on the same horizontal plane, the knob 331 is rotated again, the knob 331 is rotated to drive the rotating rod 33 and the driving gear 37 to rotate, the driving gear 37 drives the gear formed by splicing all the gear pieces 35 to rotate, the rack 38 is driven to move in the sliding groove 11, and the manhole cover 2 is locked and unlocked. Because the sliding columns 34 have different lengths and the heights of different gear pieces 35 are different, the gear pieces 35 can be moved to the same plane only by inserting the bolts 32 with different lengths, and the specific inserted length is used as a password to be known by an operator, so that the anti-theft purpose is achieved; and foretell well lid 2 dismantles and need not other exclusive instrument, easy dismounting has saved operating personnel's time and energy.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims

1. The utility model provides an theftproof electric power well, includes the well body (1) and installs well lid (2) at well body (1) top, characterized by: an annular stepped groove (21) is formed in the well lid (2), a rotating ring (31) is rotatably connected in the annular stepped groove (21), more than 2 jacks (311) are arranged on the rotating ring (31), a sliding column (34) is connected in each jack (311) in a sliding way, the sliding columns (34) are different in length, a gear piece (35) is fixed at the bottom of each sliding column (34), all the gear pieces (35) are spliced into a gear, a rotating rod (33) used for driving the gear piece (35) to rotate is rotatably connected on the well lid (2), a connecting rod (25) is fixed at the bottom of the well lid (2), a strip-shaped groove (251) is arranged on the connecting rod (25), a rack (38) meshed with the gear piece (35) is connected in the strip-shaped groove (251) in a sliding way, a sliding groove (11) for the rack (38) to enter is formed in the inner wall of the well body (1); a plug pin (32) used for plugging the jack (311) is further inserted and matched in the jack (311), more than 2 elastic blocks (321) are fixed on the plug pin (32), and a clamping groove (312) for clamping the elastic blocks (321) is formed in the jack (311); the bottom of the rotating rod (33) is fixedly provided with a driving gear (37), the gear piece (35) is provided with external teeth (351) meshed with the rack (38) and internal teeth (352) meshed with the driving gear (37), and the centers of reference circles of the external teeth (351), the internal teeth (352) and the driving gear (37) are on the same straight line.

2. An anti-theft electric power well as defined in claim 1, wherein: an extension spring (36) is sleeved on the sliding column (34), one end of the extension spring (36) is fixed with the gear piece (35), and the other end of the extension spring is fixed with the bottom of the rotating ring (31); the length of the bolt (32) is less than the depth of the jack (311); the length of the sliding column (34) is smaller than the sum of the original length of the extension spring (36) and the depth of the insertion hole (311).

3. An anti-theft electric power well as defined in claim 1, wherein: the upper surface of the well lid (2) inclines from the center to the periphery, and the center of the well lid is the highest point; the inclined side wall of the well lid (2) is arranged, the top of the well body (1) is provided with a mounting groove (12) for placing the well lid (2), and the bottom of the mounting groove (12) is communicated with a drainage groove (13) arranged on the well body (1).

4. An anti-theft electric power well as defined in claim 1, wherein: the rotating ring (31) cross-section bottom is the toper sunken, just annular ladder groove (21) bottom is equipped with first slope (211), seted up in well lid (2) with communicating first drainage channel (22) of first slope (211).

5. An anti-theft electric power well as defined in claim 1, wherein: the confession has been seted up on well lid (2) dwang (33) pivoted shoulder hole (24), dwang (33) top is fixed with knob (331), arc wall (332) have been seted up on knob (331), knob (331) bottom is the toper sunken, just second rake (241) have been seted up at shoulder hole (24) top, seted up in well lid (2) with communicating second drainage channel (23) of second rake (241).

6. An anti-theft electric power well as defined in claim 1, wherein: the top of the sliding column (34) is provided with a butt joint port (341), and the bottom of the plug pin (32) is fixed with a butt joint column (322) which is in plug-in fit with the butt joint port (341); side groove (46) have been seted up to sliding column (34) week side, side groove (46) endotheca is equipped with sealing washer (47), be fixed with on sealing washer (47) the tip with reset spring (48) that side groove (46) are fixed.

7. An anti-theft electric power well as defined in claim 6, wherein: side chamber (41) have been seted up to interface (341) bottom, side chamber (41) internal rotation is connected with quarter butt (42), quarter butt (42) one end be fixed with the tip with side chamber (41) inner wall fixed compression spring (44), quarter butt (42) other end is fixed with the tip and extends to in side groove (46) and with elasticity rope (45) that sealing washer (47) are fixed.

8. An anti-theft electric power well as defined in claim 1, wherein: a plurality of fixing plates (51) are fixed on the inner wall of the well body (1), and anti-falling nets (5) are placed on the fixing plates (51).

9. An anti-theft electric power well as defined in claim 8, wherein: the anti-falling net (5) is composed of a plurality of net units (52), the net units (52) are adjacent to each other in a hinged mode, and a placing groove (53) for placing the anti-falling net (5) is formed in the well body (1).