CN113507002B - Deep well grounding device for high soil resistivity region - Google Patents
Deep well grounding device for high soil resistivity region Download PDFInfo
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- CN113507002B CN113507002B CN202110662460.0A CN202110662460A CN113507002B CN 113507002 B CN113507002 B CN 113507002B CN 202110662460 A CN202110662460 A CN 202110662460A CN 113507002 B CN113507002 B CN 113507002B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
- H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin
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Abstract
The invention provides a deep well grounding device for a high soil resistivity region, which comprises a foundation, a deep well body, a well bottom, a lifting motor, a worm and gear reducer, a rotating shaft, a winding wheel and a lifting rope, wherein the deep well body is arranged in the foundation; the bottom of the deep well body is arranged as a well bottom; the lifting motor is connected to the lower end of the worm gear reducer through a bolt; and an output shaft coupling of the worm gear reducer is connected with the right end of the rotating shaft. According to the invention, the arrangement of the outer protective cylinder, the installation pipe, the vertical seat, the rainproof guide plate, the connection seat and the telescopic adjusting rod is favorable for avoiding the problem of soil loss in rainy days, the soil at the well mouth of the deep well body can be protected through the outer protective cylinder and the installation pipe, the soil loss is avoided, the rainproof guide plate can move in the vertical seat through telescopically adjusting the action position of the telescopic adjusting rod in the connection seat, and the rainproof guide plate can be subjected to rainproof flow guiding work after the protection angle is determined, so that the protection effect is ensured.
Description
Technical Field
The invention belongs to the technical field of grounding electrodes, and particularly relates to a deep well grounding device in a high soil resistivity region.
Background
The deep well grounding electrode is a vertical grounding body which is drilled through a deep well, then the vertical grounding electrode with the same design depth is placed in a hole, and a low-resistivity material is adopted to fill a gap, so that the aim of efficiently reducing grounding resistance is fulfilled.
At present, deep well grounding devices in areas with high soil resistivity are widely applied.
But current deep well earthing device still has the protective effect poor and leads to the wall of a well dust to drop easily, is not convenient for support fixed influence operating stability, can't protect when rainy day and takes place the soil loss easily and can't the problem of length adjustment.
Therefore, the invention of the deep well grounding device in the high soil resistivity area is very necessary.
Disclosure of Invention
In order to solve the technical problems, the invention provides a deep well grounding device for a high soil resistivity region, wherein the deep well grounding device is realized by the following technical scheme:
the deep well grounding device for the high soil resistivity region comprises a foundation, a deep well body, a well bottom, a lifting motor, a worm gear reducer, a rotating shaft, a winding wheel, a lifting rope, a rainy day protection and protection outer cylinder structure, a support and fixed anti-inclined cone structure, a dust falling protection cover structure and an adjustable grounding protection rod structure, wherein the deep well body is arranged in the foundation; the bottom of the deep well body is arranged as a well bottom; the lifting motor is connected to the lower end of the worm gear reducer through a bolt; the output shaft coupling of the worm gear reducer is connected with the right end of the rotating shaft; the outer wall of the rotating shaft is sleeved with a winding wheel and is in key connection with the winding wheel; the outer surface of the winding wheel is wound with a lifting rope; the rain-day protection and protection outer cylinder structure is connected with the support fixed anti-inclination cone structure; the dust falling prevention protection cover structure is connected with the adjustable grounding protection rod structure; the rain-proof protection outer cylinder structure comprises an outer protection cylinder, an installation pipe, a vertical seat, a rain-proof guide plate, a connecting seat and a telescopic adjusting rod, wherein the lower end of the outer protection cylinder is in threaded connection with the installation pipe; the front part and the rear part of the right upper side of the outer protective cylinder are both connected with a vertical seat through bolts; the upper side inside the vertical seats is connected with a rainproof guide plate in a shaft mode; the middle part of the left upper side of the outer protective cylinder is connected with a connecting seat through a bolt; one end of the telescopic adjusting rod is connected with the inside of the connecting seat in a shaft mode, and the other end of the telescopic adjusting rod is connected with the left side of the inside of the rainproof guide plate in a shaft mode.
Preferably, the outer protective sleeve is inserted into the foundation through a mounting pipe and is positioned at the upper end of the deep well body, and the outer protective sleeve is a stainless steel sleeve.
Preferably, the two supporting and fixing anti-oblique cone head structures are adopted and respectively comprise a protective outer cover, a pull rod, a fixing sleeve, a supporting column, a movable bolt and an anti-oblique cone head body, one end of the pull rod is in threaded connection with the middle part of the outer side of the protective outer cover, and the other end of the pull rod is in threaded connection with the middle part of the inner side of the fixing sleeve; the supporting column is inserted in the fixed sleeve and is fixedly connected with the fixed sleeve through a movable bolt; the lower end of the supporting column is in threaded connection with an anti-oblique cone body.
Preferably, the protective outer covers are stainless steel covers and are arranged on the left side and the right side of the outer protective cylinder, and the protective outer covers arranged on the right side are covered outside the lifting motor and the worm gear reducer; the protective outer cover and the outer protective cylinder are connected through screws.
Preferably, the dust falling prevention protection cover structure comprises a pull ring, a protection cover, a chassis, a telescopic push rod, a permanent magnet block and a spring clamping piece, wherein the pull ring is connected to the upper end of the protection cover through a screw; the protective cover is in threaded connection with the outer part of the chassis; the middle part of the upper part of the chassis is connected with a telescopic push rod through a bolt; the lower end of the output rod of the telescopic push rod is connected with a permanent magnet block through a bolt; the middle parts of the left side and the right side of the lower part of the chassis are respectively connected with a spring clamping piece through bolts.
Preferably, the output rod of the telescopic push rod penetrates through the middle part of the inner part of the chassis.
Preferably, the adjustable grounding protection rod structure comprises an iron column, an adjusting pipe, a grounding rod, an adjusting bolt, an inverted protection rod and a grounding conical head, wherein the iron column is connected to the upper end of the inside of the adjusting pipe through a screw; the lower side inside the adjusting pipe is inserted with a grounding rod and is fastened and connected through an adjusting bolt; the left side and the right side of the lower end of the grounding rod are both connected with inverted protection rods through bolts; the lower end of the grounding rod is in threaded connection with a grounding conical head.
Preferably, the adjusting pipe is arranged between the spring clips and is positioned at the lower part of the chassis.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the arrangement of the outer protective sleeve, the installation pipe, the vertical seat, the rainproof guide plate, the connection seat and the telescopic adjusting rod is favorable for avoiding the problem of soil loss in rainy days, the soil at the well mouth of the deep well body can be protected through the outer protective sleeve and the installation pipe, the soil loss is avoided, the inner part of the rainproof guide plate between the vertical seats can be moved through telescopically adjusting the action position of the telescopic adjusting rod in the connection seat, and the rainproof guide work can be carried out after the protection angle is determined, so that the protection effect is ensured.
2. According to the invention, the arrangement of the protective outer cover, the pull rod, the fixed sleeve, the support column, the movable bolt and the anti-oblique cone body is beneficial to playing a good supporting and fixing role and avoiding the influence of inclination or strong wind, the position of the support column in the fixed sleeve can be adjusted by loosening the movable bolt, so that the anti-oblique cone body is inserted into a foundation, the movable bolt can be locked, the protective stability is ensured, equipment can be protected by the protective outer cover, and the working stability of the device is ensured.
3. According to the invention, the pull ring, the protective cover, the chassis, the telescopic push rod, the permanent magnet block and the spring clamping piece are arranged, so that dust and soil on a well wall can be prevented from falling, a good protection effect can be achieved, falling and lifting protection can be realized through the protective cover and the chassis, the pull ring can be used for traction, movement and lifting, the telescopic push rod can be used for pushing the grounding device, the spring clamping piece can be used for clamping the grounding device, the operation is convenient, the permanent magnet block can be used for assisting in adsorbing the grounding device, and the moving-out operation is convenient.
4. According to the invention, the arrangement of the iron column, the adjusting pipe, the grounding rod, the adjusting bolt, the inverted protection rod and the grounding conical head is beneficial to length adjustment according to grounding requirements so as to ensure the grounding stability, the length adjustment of the grounding rod in the adjusting pipe can be realized by loosening the adjusting bolt, the adjusting bolt can be locked after the length is determined, and the iron column, the adjusting pipe, the grounding rod and the grounding conical head can be inserted into a shaft bottom through the inverted protection rod so as to be convenient for stable grounding work, and the stability of the device is ensured.
5. According to the invention, the arrangement of the lifting motor and the worm gear reducer is beneficial to stabilizing lifting operation and ensuring a grounding effect.
6. According to the invention, the arrangement of the rotating shaft and the winding wheel is beneficial to winding and is convenient for lifting adjustment.
7. In the invention, the arrangement of the lifting rope is beneficial to traction lifting and is convenient for maintenance.
8. In the invention, the arrangement of the iron column is beneficial to increasing the adsorption function, is convenient for lifting the grounding device and is convenient for operation.
9. In the invention, the arrangement of the telescopic push rod is beneficial to supporting the adjustable grounding protection rod structure 12, and is convenient for grounding operation.
10. In the invention, the arrangement of the pull rod is beneficial to ensuring the stability.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the rain protection outer cylinder structure of the invention.
FIG. 3 is a schematic structural view of the supporting and fixing anti-tilting bit structure of the present invention.
Fig. 4 is a schematic structural view of the dust fall protection cover structure of the present invention.
Fig. 5 is a schematic structural view of an adjustable ground protection bar structure of the present invention.
In the figure:
1. a foundation; 2. a deep well body; 3. a well bottom; 4. a lifting motor; 5. a worm gear reducer; 6. a rotating shaft; 7. a winding wheel; 8. a lifting rope; 9. the rain protection protects the outer cylinder structure; 91. an outer protective cylinder; 92. installing a pipe; 93. a vertical seat; 94. a rainproof guide plate; 95. a connecting seat; 96. a telescopic adjusting rod; 10. supporting and fixing the anti-inclination cone structure; 101. a protective outer cover; 102. a pull rod; 103. fixing the sleeve; 104. a support pillar; 105. a movable bolt; 106. an anti-slanting cone body; 11. a dust fall prevention protection cover structure; 111. a pull ring; 112. a protective cover; 113. a chassis; 114. a telescopic push rod; 115. a permanent magnet block; 116. a spring clip; 12. the structure of the grounding protection rod can be adjusted; 121. an iron pillar; 122. an adjustment tube; 123. a ground rod; 124. adjusting the bolt; 125. inverting the protection rod; 126. and a grounding cone head.
Detailed Description
The invention is described in detail with reference to the accompanying drawings, as shown in fig. 1 and fig. 2, the deep well grounding device in the high soil resistivity region comprises a foundation 1, a deep well body 2, a well bottom 3, a lifting motor 4, a worm and gear reducer 5, a rotating shaft 6, a winding wheel 7 and a lifting rope 8, wherein the deep well body 2 is arranged in the foundation 1; the bottom of the deep well body 2 is provided with a well bottom 3; the lifting motor 4 is connected to the lower end of the worm gear reducer 5 through a bolt; the output shaft coupling of the worm gear reducer 5 is connected with the right end of the rotating shaft 6; the outer wall of the rotating shaft 6 is sleeved with a winding wheel 7 and is in key connection; 7 surface winding wheel twine and have lifting rope 8, can guarantee the ground connection effect, and then guarantee ground connection stability, be convenient for go up and down to maintain.
The deep well grounding device in the high soil resistivity region further comprises a rainy day protection outer cylinder structure 9, a supporting and fixing anti-inclined cone structure 10, a dust falling prevention protection cover structure 11 and an adjustable grounding protection rod structure 12, wherein the rainy day protection outer cylinder structure 9 is connected with the supporting and fixing anti-inclined cone structure 10; the dust falling prevention protection cover structure 11 is connected with the adjustable grounding protection rod structure 12, and can be used for protection in rainy days, support fixation, dust prevention protection and length adjustment operation.
The rain protection outer cylinder structure 9 comprises an outer protective cylinder 91, an installation pipe 92, a vertical seat 93, a rain-proof guide plate 94, a connecting seat 95 and a telescopic adjusting rod 96, wherein the installation pipe 92 is connected with the lower end of the outer protective cylinder 91 in a threaded manner; the front part and the rear part of the right upper side of the outer protecting cylinder 91 are both connected with a vertical seat 93 through bolts; a rainproof guide plate 94 is axially connected to the upper side of the inner part between the vertical seats 93; the middle part of the upper left side of the outer protecting cylinder 91 is connected with a connecting seat 95 through a bolt; telescopic adjusting rod 96 one end coupling connecting seat 95's inside, the rain-proof baffle 94's of other end coupling inside left side can protect the well head soil of deep well body 2 through protecting a section of thick bamboo 91 and installation pipe 92 outward, avoids earth to run off, through telescopic adjusting rod 96 at the inside action position of connecting seat 95, can be so that rain-proof baffle 94 removes in the inside between founding seat 93, confirm behind the protection angle, can carry out rain-proof water conservancy diversion work to guarantee the protecting effect.
In this embodiment, as shown in fig. 3, two supporting and fixing anti-oblique cone structures 10 are adopted, and each of the supporting and fixing anti-oblique cone structures includes a protective outer cover 101, a pull rod 102, a fixing sleeve 103, a supporting column 104, a movable bolt 105 and an anti-oblique cone body 106, one end of the pull rod 102 is in threaded connection with the middle part of the outer side of the protective outer cover 101, and the other end of the pull rod is in threaded connection with the middle part of the inner side of the fixing sleeve 103; a support column 104 is inserted into the fixed sleeve 103 and is fastened and connected through a movable bolt 105; support column 104 lower extreme threaded connection have and prevent oblique cone body 106, through loosening movable bolt 105, can adjust the position of support column 104 in fixed sleeving 103 inside for prevent that oblique cone body 106 inserts in ground 1, can lock movable bolt 105, in order to guarantee protection stability, also can protect equipment through protective housing 101, guarantee device job stabilization nature.
In this embodiment, referring to fig. 4, the dust fall prevention protection cover structure 11 includes a pull ring 111, a protection cover 112, a chassis 113, a telescopic push rod 114, a permanent magnet block 115 and a spring clip 116, wherein the pull ring 111 is screwed to the upper end of the protection cover 112; the protective cover 112 is connected to the outside of the chassis 113 in a threaded manner; the middle part of the upper part of the chassis 113 is connected with a telescopic push rod 114 through a bolt; the lower end of the output rod of the telescopic push rod 114 is connected with a permanent magnet block 115 through a bolt; the equal bolted connection in chassis 113 lower part left and right sides middle part have spring clamping piece 116, go on falling through protection casing 112 and chassis 113 and go up and down the protection, can pull through pull ring 111 and remove and go up and down, can carry out propelling movement earthing device through telescopic push rod 114, can carry out centre gripping earthing device through spring clamping piece 116, the operation of being convenient for can assist through permanent magnet piece 115 and adsorb earthing device, be convenient for shift out the operation.
In this embodiment, referring to fig. 5, the adjustable grounding protection rod structure 12 includes an iron column 121, an adjusting tube 122, a grounding rod 123, an adjusting bolt 124, an inverted protection rod 125 and a grounding cone 126, wherein the iron column 121 is screwed to the upper end of the inner portion of the adjusting tube 122; a grounding rod 123 is inserted into the lower side of the interior of the adjusting pipe 122 and is fastened and connected through an adjusting bolt 124; the left side and the right side of the lower end of the grounding rod 123 are both connected with inverted protection rods 125 through bolts; the lower end of the grounding rod 123 is connected with a grounding conical head 126 in a threaded manner, the length of the grounding rod 123 inside the adjusting pipe 122 can be adjusted by loosening the adjusting bolt 124, the adjusting bolt 124 can be locked after the length is determined, and the grounding rod 123 can be inserted into the well bottom 3 through the inverted protective rod 125 and the grounding conical head 126, so that stable grounding work can be conveniently carried out, and the stability of the device is ensured.
In this embodiment, specifically, the output shaft of the lifting motor 4 is connected with the input shaft of the worm gear reducer 5.
In this embodiment, specifically, the outer casing 91 is inserted into the foundation 1 through the installation pipe 92 and is located at the upper end of the deep well body 2, and the outer casing 91 is a stainless steel cylinder.
In this embodiment, the rainproof guide plate 94 is made of corrugated stainless steel plate.
In this embodiment, specifically, the telescopic adjusting rod 96 is a three-stage stainless steel telescopic rod.
In this embodiment, specifically, the rotating shaft 6 is connected to the middle part inside the outer casing 91 through a transverse bearing.
In this embodiment, specifically, the middle part of the right side of the outer casing 91 is bolted to the worm gear reducer 5.
In this embodiment, specifically, the protective outer cover 101 is a stainless steel cover and is disposed on the left and right sides of the outer protective cylinder 91, and the protective outer cover 101 disposed on the right side is covered and connected to the outside of the lifting motor 4 and the worm gear reducer 5; the protective outer cover 101 and the outer protecting cylinder 91 are connected through screws.
In this embodiment, specifically, the output rod of the telescopic rod 114 penetrates through the middle part of the inside of the chassis 113.
In this embodiment, the pull ring 111 is tied to the lower end of the lift cord 8.
In this embodiment, specifically, the protective cover 112 is a trumpet-shaped stainless steel cover, and is disposed upside down.
In this embodiment, specifically, the spring clip 116 employs two stainless steel spring pieces with folding heads.
In this embodiment, in particular, the adjusting tube 122 is disposed between the spring clips 116 and is located at the lower portion of the bottom plate 113.
In this embodiment, the permanent magnet block 115 and the iron post 121 are specifically provided so as to be attracted to each other.
In this embodiment, specifically, the inverted protection rod 125 is a stainless steel rod.
In this embodiment, specifically, the dust fall prevention protection cover structure 11 and the adjustable grounding protection rod structure 12 are disposed inside the deep well body 2.
In this embodiment, a 775 type motor is specifically used as the lifting motor 4.
Principle of operation
According to the invention, the wellhead soil of the deep well body 2 can be protected through the outer casing 91 and the mounting pipe 92, soil loss is avoided, the rainproof guide plate 94 can move inside the vertical seat 93 through telescopically adjusting the telescopic adjusting rod 96 in the connecting seat 95, and rainproof flow guiding work can be carried out after the protection angle is determined, so that the protection effect is ensured; the position of the supporting column 104 in the fixed sleeve 103 can be adjusted by loosening the movable bolt 105, so that the anti-oblique cone body 106 is inserted into the foundation 1, the movable bolt 105 can be locked to ensure the protection stability, and equipment can be protected by the protective outer cover 101 to ensure the working stability of the device; the protective cover 112 and the chassis 113 are used for falling, lifting and protecting, the pull ring 111 can be used for traction, moving and lifting, the telescopic push rod 114 can be used for pushing the grounding device, the spring clamping piece 116 can be used for clamping the grounding device, the operation is convenient, and the permanent magnet piece 115 can be used for assisting in adsorbing the grounding device, so that the moving-out operation is convenient; the length of the grounding rod 123 in the adjusting pipe 122 can be adjusted by loosening the adjusting bolt 124, after the length is determined, the adjusting bolt 124 can be locked, and the grounding rod can be inserted into the well bottom 3 through the inverted protective rod 125 and the grounding cone 126, so that stable grounding work can be conveniently carried out, and the stability of the device is ensured.
The technical solutions of the present invention or those skilled in the art, based on the teachings of the technical solutions of the present invention, are designed to achieve the above technical effects, and all of them fall into the protection scope of the present invention.
Claims (6)
1. The deep well grounding device for the high soil resistivity region is characterized by comprising a foundation (1), a deep well body (2), a well bottom (3), a lifting motor (4), a worm and gear reducer (5), a rotating shaft (6), a winding wheel (7), a lifting rope (8), a rainy day protection outer cylinder structure (9), a supporting and fixing anti-oblique cone head structure (10), a dust falling prevention protection cover structure (11) and an adjustable grounding protection rod structure (12), wherein the deep well body (2) is arranged in the foundation (1); the bottom of the deep well body (2) is provided with a well bottom (3); the lifting motor (4) is connected to the lower end of the worm gear reducer (5) through a bolt; an output shaft coupling of the worm gear reducer (5) is connected with the right end of the rotating shaft (6); the outer wall of the rotating shaft (6) is sleeved with a winding wheel (7) and is in key connection; the outer surface of the winding wheel (7) is wound with a lifting rope (8); the rain protection and protection outer cylinder structure (9) is connected with a supporting and fixing anti-inclination cone structure (10); the dust falling prevention protection cover structure (11) is connected with the adjustable grounding protection rod structure (12); the rain-proof protection outer cylinder structure (9) comprises an outer protective cylinder (91), a mounting pipe (92), a vertical seat (93), a rain-proof guide plate (94), a connecting seat (95) and a telescopic adjusting rod (96), wherein the lower end of the outer protective cylinder (91) is in threaded connection with the mounting pipe (92); the front part and the rear part of the right upper side of the outer protecting cylinder (91) are both connected with a vertical seat (93) through bolts; a rainproof guide plate (94) is axially connected to the upper side of the inner part between the vertical seats (93); the middle part of the upper left side of the outer protective cylinder (91) is connected with a connecting seat (95) through a bolt; one end of the telescopic adjusting rod (96) is connected with the inside of the connecting seat (95) in a shaft manner, and the other end of the telescopic adjusting rod is connected with the left side of the inside of the rainproof guide plate (94) in a shaft manner; the dust falling prevention protection cover structure (11) comprises a pull ring (111), a protection cover (112), a chassis (113), a telescopic push rod (114), a permanent magnet block (115) and a spring clamping piece (116), wherein the pull ring (111) is connected to the upper end of the protection cover (112) through a screw; the protective cover (112) is in threaded connection with the outside of the chassis (113); the middle part of the upper part of the chassis (113) is connected with a telescopic push rod (114) through a bolt; the lower end of the output rod of the telescopic push rod (114) is connected with a permanent magnet block (115) through a bolt; the middle parts of the left side and the right side of the lower part of the chassis (113) are respectively connected with a spring clamping piece (116) through bolts; the adjustable grounding protection rod structure (12) comprises an iron column (121), an adjusting pipe (122), a grounding rod (123), an adjusting bolt (124), an inverted protection rod (125) and a grounding conical head (126), wherein the iron column (121) is connected to the upper end of the inside of the adjusting pipe (122) through a screw; the lower side in the adjusting pipe (122) is inserted with a grounding rod (123) and is fastened and connected through an adjusting bolt (124); the left side and the right side of the lower end of the grounding rod (123) are both connected with inverted protection rods (125) through bolts; the lower end of the grounding rod (123) is in threaded connection with a grounding conical head (126).
2. The deep well grounding device in the high soil resistivity region as claimed in claim 1, wherein the outer protective sleeve (91) is inserted into the foundation (1) through a mounting pipe (92) and is located at the upper end of the deep well body (2), and the outer protective sleeve (91) is a stainless steel sleeve.
3. The deep well grounding device in the high soil resistivity region as claimed in claim 1, wherein two supporting and fixing anti-slanting cone structures (10) are adopted, and each supporting and fixing anti-slanting cone structure comprises a protective outer cover (101), a pull rod (102), a fixed sleeve (103), a supporting column (104), a movable bolt (105) and an anti-slanting cone body (106), one end of the pull rod (102) is in threaded connection with the middle part of the outer side of the protective outer cover (101), and the other end of the pull rod is in threaded connection with the middle part of the inner side of the fixed sleeve (103); a support column (104) is inserted into the fixed sleeve (103) and is fixedly connected with the fixed sleeve through a movable bolt (105); the lower end of the supporting column (104) is in threaded connection with an anti-oblique cone body (106).
4. The deep well grounding device in the high soil resistivity region according to the claim 3, characterized in that the protective outer covers (101) are stainless steel covers and are arranged at the left and right sides of the outer protective cylinder (91), and the protective outer cover (101) arranged at the right side is covered and connected with the outer parts of the lifting motor (4) and the worm gear reducer (5); the protective outer cover (101) and the outer protective cylinder (91) are connected through screws.
5. The deep well grounding device in the high soil resistivity region as claimed in claim 1, wherein the output rod of the telescopic push rod (114) penetrates through the inner middle part of the chassis (113).
6. The deep well grounding device in high soil resistivity area as claimed in claim 1, characterized in that the adjusting pipe (122) is disposed between the spring clips (116) and at the lower part of the chassis (113).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110662460.0A CN113507002B (en) | 2021-06-15 | 2021-06-15 | Deep well grounding device for high soil resistivity region |
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| CN202110662460.0A CN113507002B (en) | 2021-06-15 | 2021-06-15 | Deep well grounding device for high soil resistivity region |
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| CN113507002B true CN113507002B (en) | 2022-11-15 |
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| CN114657990A (en) * | 2022-03-03 | 2022-06-24 | 安徽星空建设工程有限公司 | Small-diameter rapid pile pulling equipment for civil engineering |
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| CN210838138U (en) * | 2019-11-14 | 2020-06-23 | 绍兴市佰利嘉电气有限公司 | High-efficient deep well earthing device |
| CN111749239A (en) * | 2020-06-30 | 2020-10-09 | 首钢水城钢铁(集团)赛德建设有限公司 | Manual hole digging pile hole mechanical high-pressure grouting construction protection device and manual hole digging pile hole construction method |
| CN212083876U (en) * | 2020-07-08 | 2020-12-04 | 方霞 | Novel land use changes monitoring device |
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