CN113062652A - Pole-mounted transformer cross arm mounting and dismounting mechanism and using method - Google Patents
Pole-mounted transformer cross arm mounting and dismounting mechanism and using method Download PDFInfo
- Publication number
- CN113062652A CN113062652A CN202110243344.5A CN202110243344A CN113062652A CN 113062652 A CN113062652 A CN 113062652A CN 202110243344 A CN202110243344 A CN 202110243344A CN 113062652 A CN113062652 A CN 113062652A
- Authority
- CN
- China
- Prior art keywords
- cross arm
- rod
- handle
- wedge block
- limiting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H12/00—Towers; Masts or poles; Chimney stacks; Water-towers; Methods of erecting such structures
- E04H12/24—Cross arms
Abstract
A pole-mounted transformer cross arm mounting and dismounting mechanism and a using method thereof comprise a first cross arm, a second cross arm, a connecting rod, a pressing wedge block, a limiting device, a handle, a guide shaft and a handle pressing rod; the first cross arm and the second cross arm are symmetrically arranged on two sides of the telegraph pole; the connecting rod penetrates through the first cross arm and the second cross arm; the pressing wedge block is connected with the second cross arm, the handle pressing rod penetrates through the pressing wedge block, the handle pressing rod and the pressing wedge block are in welding combination, the limiting device is connected with the second cross arm, the handle rotates around the guide shaft, the wedge block moves up and down through the matching of the handle pressing rod on the wedge block, and the pressing and the separation of the first cross arm and the second cross arm with the wire rod are realized; or the handle operates the limiting rod on the limiting device to enable the limiting rod to rotate in place to clamp the rack rod. The invention realizes the bolt-free rapid clamping and separation of the pole-mounted transformer cross arm, can complete the clamping process of the cross arm at one side and reduce the labor capacity.
Description
Technical Field
The invention relates to the technical field of mounting and dismounting mechanisms, in particular to a mounting and dismounting mechanism for a pole-mounted transformer cross arm and a using method of the mounting and dismounting mechanism.
Background
In the current development of the pole-mounted transformer industry, the traditional transformer cross arm mounting method utilizes four long screws to fasten two cross arms to two telegraph poles. During installation, at least one end of each screw rod needs to be aligned with the sleeve nut on the telegraph pole (high altitude), external force is applied to the nuts at two ends simultaneously by using a wrench in order to prevent the connecting shaft from rotating and cannot achieve the fastening purpose, time and labor are wasted, and the efficiency is extremely low due to the fact that the whole process is long in time consumption and difficult to operate and two persons are often required to perform synchronous matched operation on two sides of the telegraph pole. The same is true for disassembly.
Disclosure of Invention
In order to solve the above problems, an object of the present invention is to provide a mounting and dismounting mechanism for a pole-mounted transformer cross arm and a method for using the same, which can realize bolt-free fast clamping and separation of the pole-mounted transformer cross arm, and can complete the clamping process of the cross arm at one side, thereby reducing the labor amount.
The invention is realized by the following technical scheme:
the invention discloses a mounting and dismounting mechanism for a pole-mounted transformer cross arm, which comprises a first cross arm 100, a second cross arm 200, a connecting rod 300, a pressing wedge 400, a limiting device 500, a handle 600, a guide shaft 700 and a handle pressing rod 800;
the first cross arm 100 and the second cross arm 200 are symmetrically arranged on two sides of the telegraph pole;
the connecting rod 300 passes through the first cross arm 100 and the second cross arm 200;
the compression wedge block 400 is connected with the second cross arm 200, and the handle compression bar 800 penetrates through the compression wedge block 400 and is used for compressing and separating the first cross arm 100 and the second cross arm 200 from the telegraph pole;
the limiting device 500 is connected with the second cross arm 200 and used for controlling the upper and lower positions of the compression wedge 400;
the handle 600 rotates around the guide shaft 700, and the wedge 400 moves up and down through the matching of the handle pressing rod 800 on the wedge 400, so that the first cross arm 100 and the second cross arm 200 are pressed and separated from the wire rod; or the handle 600 operates the stopper rod 520 of the stopper 500 to rotate to a position to block the rack bar 510.
Further, the first cross arm 100 and the second cross arm 200 are both provided with a through-slot hole (120, 220) for connecting rod and a non-slip pad (130, 230), wherein the second cross arm 200 is also provided with a wedge guide seat 240 and a mounting hole for a limiting device.
Further, the wedge 400 comprises a limiting tooth 410, a detaching slot 420 and a guide slot 430, and the handle pressing rod 800 penetrates through the wedge 400.
Further, the connecting rod 300 is provided with a steel pipe 310, a connecting rod baffle 320, a bent plate 330 and a clamping groove 340.
Further, the limiting device 500 comprises a rack bar 510, a limiting bar 520, a sliding plate 530, a limiting device baffle 540, a pressure spring 550 and a support 560.
The second aspect of the invention discloses a use method of a cross arm mounting and dismounting mechanism of a pole-mounted transformer, which comprises the following steps:
step S100, fixing a limiting device 500 to a corresponding position of the second cross arm 200;
step S200, connecting the wedge block 400 to the second cross arm 200, and extending the rack bar 510 in the limiting device 500 to clamp the rack bar into the disassembling clamping groove 420 on the wedge block 400;
step S300, symmetrically placing the first cross arm 100 and the second cross arm 200 close to the telegraph pole;
step S400, the connecting rod 300 is inserted from the first cross arm 100 to the second cross arm 200, and the baffle 320 of the connecting rod 300 is tightly attached to the first cross arm 100.
Step S500, pulling the rack bar 510 of the limiting device 500 backwards to make the rack bar 510 withdraw from the detaching slot 420 of the wedge 400, and using the limiting rod 520 to block the rack bar 510 from extending outwards, at this time, the wedge 400 falls down until the inclined plane of the wedge 400 contacts the edge of the slot 340 of the connecting rod 300;
step S600, taking the guide shaft 700 as a rotating shaft, pressing a pressing shaft on the wedge 400 downwards by using a handle 600 to enable the wedge 400 to move downwards, when the anti-skid pads on the first cross arm 100 and the second cross arm 200 generate a certain compression amount, moving away a limiting rod 520 on the limiting device 500 to enable the rack rod 510 to extend out under the action of a spring, and taking down the handle 600 after teeth on the rack rod 510 are completely meshed with teeth on the wedge 400;
step S700, the handle 600 is used to drive the limiting rod 520 to rotate downward, so that the limiting rod 520 is clamped to the outer side of the baffle 540 of the limiting device 500, and after the end surface of the limiting rod 520 is completely attached to the baffle 540, the handle 600 is removed.
The technical scheme of the invention can realize the following beneficial technical effects:
firstly, realizing the bolt-free rapid clamping and separation of the pole-mounted transformer cross arm;
secondly, the clamping process of the cross arm can be finished on one side, and the labor amount is reduced;
thirdly, the device is provided with an interference anti-loosening protection measure, so that the limiting failure of the wedge block caused by the failure of the spring can be prevented;
fourthly, during disassembly, the disassembly is more convenient and the wedge block is lifted up only by opening the limiting device;
fifthly, bolt-free rapid installation and rapid disassembly of the pole-mounted transformer cross arm are achieved, and the mechanism can guarantee the fixation safety of the cross arm under the action of external forces such as strong wind, earthquakes and the like.
Drawings
FIG. 1 is a schematic view of a mechanism assembly of the present invention;
FIG. 2 is a schematic view of a first cross arm of the present invention;
FIG. 3 is a second cross arm of the present invention;
FIG. 4 is a schematic view of the hold-down wedge of the present invention;
FIG. 5 is a schematic view of a connecting rod of the present invention;
FIG. 6 is a schematic view of the handle of the present invention;
FIG. 7 is a schematic view of a spacing device of the present invention;
FIG. 8 is a schematic view of a guide shaft of the present invention;
FIG. 9 is a schematic view showing the attaching and detaching states of the connecting rod of the present invention;
FIG. 10 is a schematic view of the wedge of the present invention in a free-fall condition;
FIG. 11 is a schematic view of the forced depression of the wedge according to the present invention;
fig. 12 is a schematic diagram of the forced limiting state of the present invention.
100-a first cross arm; 200-a second cross arm; 300-a connecting rod; 400-wedge block; 500-a limiting device; 600-operating a handle; 700-a guide shaft; 800-handle press bar;
110-a first rectangular tube; 120-connecting rod through slot; 130-a non-slip mat;
210-a second rectangular tube; 220-connecting rod through slot; 230-a non-slip mat; 240-wedge guide seat;
310-a steel pipe; 320-a baffle plate; 330-bending plate; 340-card slot;
410-limit teeth; 420-disassembling the clamping groove; 430-a guide slot;
510-a rack bar; 520-a limiting rod; 530-a slide plate; 540-baffle; 550-a pressure spring; 560-support.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
The invention relates to a mechanism for rapidly mounting and dismounting a supporting cross arm of a 10 kV-level 400kVA and below capacity oil-immersed transformer on a telegraph pole without bolts, and as shown in figures 1 to 8, the mechanism for rapidly mounting and dismounting the supporting cross arm of the pole-mounted transformer without bolts comprises 2 cross arms (a first cross arm 100 and a second cross arm 200 as shown in figures 2 and 3), 4 connecting rods 300 (as shown in figure 5), 4 pressing wedge blocks 400 (as shown in figure 4), a dual-purpose operating handle 600 (as shown in figure 6), 4 limiting devices 500 (as shown in figure 7), four guide shafts 700 (as shown in figure 8) and a handle pressing rod 800.
As shown in fig. 2 and 3, the first cross arm 100 and the second cross arm 200 are both
140mm 60mm 6mm rectangular tubes 110 and 210, each cross arm has a connecting rod through hole 120 and 220, and is provided with an anti-slip pad 130 and 230, wherein the cross arm 200 is provided with a wedge block guide seat 240 and a limiting device mounting hole 250 besides the connecting rod through hole 220, and the anti-slip pad 130 and 230 with the thickness of 3-5mm are adhered to the contact part of each cross arm with the wire pole.
As shown in fig. 4, the wedge 400 includes a plurality of consecutive limit teeth 410, a removal slot 420, and a guide slot 430, and the handle press rod 800 passes through the wedge 400. The two functions are realized, firstly, the problem that the distance between the two cross arms cannot be controlled to a certain extent is solved, and secondly, the nut is replaced, and the two cross arms 100 and 200 are compressed and separated from the telegraph pole by means of vertical linear motion.
As shown in fig. 5, the connecting rod 300 includes a steel pipe 310, a connecting rod baffle 320, a bent plate 330, and a locking groove 340. The steel pipe 310 of the connecting rod 300 (fig. 5) is welded with the bent plate 330, the end of the bent plate 330 is provided with a clamping groove 340, the connecting rod 300 is used for replacing a screw rod, and the length and the position of the clamping groove 340 on the connecting rod 300 are determined according to the theoretical distance between the two cross arms 100 and 200 and the existing fluctuation size;
the stop device 500 (fig. 7) includes a rack bar 510, a stop bar 520, a slide plate 530, a stop device retainer 540, a compression spring 550, and a support 560 for controlling the up-and-down position of the wedge 400, and has a locking protector for preventing the disengagement of the engagement teeth due to vibration or other natural factors.
The guide shaft 700 (fig. 8) is used to control the wedge 400 to move up and down only and not to separate from the cross arms 100 and 200, and is used as a rotation shaft of the handle 600.
The handle 600 (fig. 6) is an operation tool and has two functions, namely, rotating around the guide shaft 700, matching with the handle pressing rod 800 on the wedge 400 to move the wedge 400 up and down, so as to press and separate the two cross arms 100 and 200 from the wire rod, and operating the limiting rod 520 on the limiting device 500 to rotate in place to block the rack rod 510.
The invention provides a use method of a bolt-free quick mounting and dismounting mechanism of a pole-mounted transformer cross arm, which comprises the following specific steps:
and step S100, fixing the limiting device 500 at the corresponding position of the second cross arm 200.
Specifically, four position-limiting devices 500 are screwed to corresponding positions of the second cross arm 200.
Step S200, the wedge 400 is connected to the second cross arm 200, and the rack bar 510 of the limiting device 500 is extended to be clamped into the dismounting clamping groove 420 of the wedge 400.
Specifically, as shown in fig. 9, four wedges 400 (fig. 4) are first connected to the second cross arm 200 by a guide shaft 700 (fig. 8) through the wedge guide 240 on the second cross arm 200, and then the rack bar 510 on the stopper 500 is engaged in the detaching slot 420 on the wedge 400 by the compression spring 550.
Step S300, symmetrically placing the first cross arm 100 and the second cross arm 200 next to the utility pole.
Specifically, the first cross arm 100 and the second cross arm 200 are symmetrically and fixedly placed next to the utility pole above the utility pole hoop. Specifically, the assembly on the second cross arm 200 is not hit.
Step S400, the connecting rod 300 is inserted from the first cross arm 100 to the second cross arm 200, and the baffle 320 of the connecting rod 300 is tightly attached to the first cross arm 100.
Specifically, four connecting rods 300 (fig. 5) are threaded from the first cross arm 100 to the second cross arm 200 until the baffle 320 of the connecting rod 300 is tightly attached to the first cross arm 100.
Step S500, the rack bar 510 in the limiting device 500 is pulled backwards, so that the rack bar 510 exits from the detaching slot 420 on the wedge 400, the limiting rod 520 blocks the rack bar 510 from extending outwards, and the wedge 400 falls down until the inclined surface of the wedge 400 contacts the edge of the slot of the connecting rod 300.
Specifically, the rack bar 510 of the limiting device 500 (fig. 7) is pulled backwards to make the rack bar 510 exit from the detaching slot 420 of the wedge 400, and the limiting rod 520 blocks the rack bar 510 from extending outwards, at this time, the wedge 400 will fall under the action of gravity until the inclined surface of the wedge 400 contacts the edge of the slot 340 of the connecting rod 300, as shown in fig. 10.
Step S600, using the guide shaft 700 as a rotation shaft, pressing the pressing shaft on the wedge 400 downwards by the handle 600 to make the wedge 400 go downwards, when the anti-slip pads on the first cross arm 100 and the second cross arm 200 generate a certain amount of compression, moving away the limiting rod 520 on the limiting device 500 to make the rack bar 510 extend out under the action of the spring, and removing the handle 600 after the teeth on the rack bar 510 are completely engaged with the teeth on the wedge 400.
Specifically, until the non-slip mats on first cross arm 100 and second cross arm 200 are compressed by 1.5-2mm, the limiting rod 520 on limiting device 500 is removed, as shown in fig. 11.
Step S700, the handle 600 is used to drive the limiting rod 520 to rotate downward, so that the limiting rod 520 is clamped to the outer side of the baffle 540 of the limiting device 500, and after the end surface of the limiting rod 520 is completely attached to the baffle 540, the handle 600 is removed.
As shown in fig. 12. To prevent the rack bar 510 from retracting to disengage the wedge 400 due to non-manual force.
The operating handle 600 (fig. 6) is used (two pins at the other end of the operating handle 600 penetrate through two holes at the end of the limiting rod 520 of the limiting device 500) to drive the limiting rod 520 to rotate downwards, the limiting rod 520 is forcibly clamped to the outer side of the baffle on the limiting device 500, and after the end face of the limiting rod 520 is completely attached to the baffle, the operating handle 600 is taken down, as shown in fig. 12. To prevent the rack bar 510 from retracting to disengage the wedge 400 due to non-manual force.
In summary, the invention provides a bolt-free quick mounting and dismounting mechanism for a pole-mounted transformer cross arm, which comprises a first cross arm, a second cross arm, a connecting rod, a pressing wedge block, a limiting device, a handle, a guide shaft and a handle pressing rod; the first cross arm and the second cross arm are symmetrically arranged on two sides of the telegraph pole; the connecting rod penetrates through the first cross arm and the second cross arm; the pressing wedge block is connected with the second cross arm, the handle pressing rod penetrates through the pressing wedge block, the limiting device is connected with the second cross arm, the handle rotates around the guide shaft, the wedge block moves up and down through the matching of the handle pressing rod on the wedge block, and the first cross arm and the second cross arm are pressed and separated from the wire rod; or the handle operates the limiting rod on the limiting device to enable the limiting rod to rotate in place to clamp the rack rod. The invention realizes the bolt-free rapid clamping and separation of the pole-mounted transformer cross arm, can complete the clamping process of the cross arm at one side and reduce the labor capacity.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. A pole-mounted transformer cross arm mounting and dismounting mechanism is characterized by comprising a first cross arm (100), a second cross arm (200), a connecting rod (300), a pressing wedge block (400), a limiting device (500), a handle (600), a guide shaft (700) and a handle pressing rod (800);
the first cross arm (100) and the second cross arm (200) are symmetrically arranged on two sides of the telegraph pole;
the connecting rod (300) passes through the first cross arm (100) and the second cross arm (200);
the compression wedge block (400) is connected with the second cross arm (200), and the handle pressing rod (800) penetrates through the compression wedge block (400) and is used for compressing and separating the first cross arm (100) and the second cross arm (200) from the telegraph pole;
the limiting device (500) is connected with the second cross arm (200) and used for controlling the upper position and the lower position of the compression wedge block (400);
the handle (600) rotates around the guide shaft (700), and the wedge block (400) moves up and down through the matching of a handle pressing rod (800) on the wedge block (400), so that the first cross arm (100) and the second cross arm (200) are pressed and separated from the line pole; or the handle (600) operates the limiting rod (520) on the limiting device (500) to rotate to a position to clamp the rack rod (510).
2. The mounting and dismounting mechanism according to claim 1, wherein the first cross arm (100) and the second cross arm (200) are provided with through-slot holes (120, 220) for connecting rods and non-slip pads (130, 230), and the second cross arm (200) is further provided with a wedge guide seat (240) and a mounting hole for a limiting device.
3. The mounting and dismounting mechanism according to claim 2, wherein the wedge (400) comprises a limiting tooth (410), a dismounting notch (420) and a guide groove (430), and the handle pressing rod (800) penetrates through the wedge (400).
4. The mounting and dismounting mechanism according to claim 3, wherein the connecting rod (300) is provided with a steel pipe (310), a connecting rod baffle (320), a bent plate (330) and a clamping groove (340).
5. The mounting and dismounting mechanism according to claim 4, wherein said limiting device (500) comprises a rack bar (510), a limiting bar (520), a slide plate (530), a limiting device baffle (540), a compression spring (550), and a support (560).
6. A use method of a pole-mounted transformer cross arm mounting and dismounting mechanism is characterized by comprising the following steps:
s100, fixing a limiting device (500) at a corresponding position of a second cross arm (200);
step S200, connecting the wedge block (400) to a second cross arm (200), and extending a rack rod (510) in the limiting device (500) to clamp the rack rod into a disassembling clamping groove (420) on the wedge block (400);
step S300, symmetrically placing a first cross arm (100) and a second cross arm (200) close to a telegraph pole;
step S400, a connecting rod (300) penetrates through a second cross arm (200) from a first cross arm (100), and a baffle (320) of the connecting rod (300) is made to be tightly attached to the first cross arm (100);
step S500, pulling the rack rod (510) in the limiting device (500) backwards to enable the rack rod (510) to exit from a dismounting clamping groove (420) on the wedge block (400), blocking the rack rod (510) from extending outwards by using a limiting rod (520), and enabling the wedge block (400) to fall down until the inclined surface of the wedge block (400) contacts the edge of the clamping groove (340) of the connecting rod (300);
step S600, taking the guide shaft (700) as a rotating shaft, pressing a pressing shaft on the wedge block (400) downwards by using a handle (600) to enable the wedge block (400) to move downwards, moving away a limiting rod (520) on a limiting device (500) when anti-skid pads on the first cross arm (100) and the second cross arm (200) generate a certain compression amount, enabling the rack rod (510) to extend out under the action of a spring, and taking down the handle (600) after teeth on the rack rod (510) are completely meshed with teeth on the wedge block (400);
and S700, driving the limiting rod (520) to rotate downwards by using the handle (600), clamping the limiting rod (520) to the outer side of the baffle (540) of the limiting device (500), and taking down the handle (600) after the end surface of the limiting rod (520) is completely attached to the baffle (540).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110243344.5A CN113062652B (en) | 2021-03-05 | 2021-03-05 | Pole-mounted transformer cross arm mounting and dismounting mechanism and using method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110243344.5A CN113062652B (en) | 2021-03-05 | 2021-03-05 | Pole-mounted transformer cross arm mounting and dismounting mechanism and using method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113062652A true CN113062652A (en) | 2021-07-02 |
| CN113062652B CN113062652B (en) | 2022-05-20 |
Family
ID=76559706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110243344.5A Active CN113062652B (en) | 2021-03-05 | 2021-03-05 | Pole-mounted transformer cross arm mounting and dismounting mechanism and using method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113062652B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1402137A1 (en) * | 2001-06-14 | 2004-03-31 | Abb Ab | Pole-top insulator |
| CN206250682U (en) * | 2016-12-23 | 2017-06-13 | 国网山东省电力公司蓬莱市供电公司 | A kind of power construction attending device |
| CN207960129U (en) * | 2018-03-02 | 2018-10-12 | 南京盖迪电力器材有限公司 | A kind of novel crossarm device |
| CN108756435A (en) * | 2018-07-21 | 2018-11-06 | 国家电网有限公司 | Cross-arm locator |
| CN110676022A (en) * | 2019-10-30 | 2020-01-10 | 许继集团有限公司 | Pole-mounted transformer mounting bracket and transformer mounting structure |
| CN111514544A (en) * | 2019-02-03 | 2020-08-11 | 邢瀚文 | Maintenance helping hand robot |
-
2021
- 2021-03-05 CN CN202110243344.5A patent/CN113062652B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1402137A1 (en) * | 2001-06-14 | 2004-03-31 | Abb Ab | Pole-top insulator |
| CN206250682U (en) * | 2016-12-23 | 2017-06-13 | 国网山东省电力公司蓬莱市供电公司 | A kind of power construction attending device |
| CN207960129U (en) * | 2018-03-02 | 2018-10-12 | 南京盖迪电力器材有限公司 | A kind of novel crossarm device |
| CN108756435A (en) * | 2018-07-21 | 2018-11-06 | 国家电网有限公司 | Cross-arm locator |
| CN111514544A (en) * | 2019-02-03 | 2020-08-11 | 邢瀚文 | Maintenance helping hand robot |
| CN110676022A (en) * | 2019-10-30 | 2020-01-10 | 许继集团有限公司 | Pole-mounted transformer mounting bracket and transformer mounting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113062652B (en) | 2022-05-20 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216096055U (en) | Limiting device for stamping automobile parts | |
| CN113062652B (en) | Pole-mounted transformer cross arm mounting and dismounting mechanism and using method | |
| CN113708315A (en) | Cable mounting fixture is used in electric power engineering installation | |
| CN206134978U (en) | Anti -drop of electric substation formula earthing device | |
| CN106654629B (en) | A kind of electric substation's falling-proof type earthing or grounding means | |
| CN116495576B (en) | 5G cable position variable mounting piece with wire storage function | |
| CN211920604U (en) | Dedicated hoist device of electromechanical installation | |
| CN111834952A (en) | Fault indicator installation extracting tool | |
| CN217955634U (en) | Dry-type transformer core clamping device | |
| CN215548389U (en) | Laborsaving dismounting device of bolt for drilling equipment | |
| CN212978184U (en) | Bolt frock is got to wind power generation specialty | |
| CN210139364U (en) | Screw and nut dismounting structure capable of preventing nut from slipping | |
| CN209430985U (en) | A kind of fixed mechanism improving maintenance convenience | |
| CN217769314U (en) | Novel wire harness fixing device | |
| CN107700838A (en) | A kind of post die clamper and its application method | |
| CN112720317A (en) | Hardware socket wrench tool | |
| CN212343180U (en) | Fault indicator assembly and disassembly tools | |
| CN211874905U (en) | Quick dismounting mechanism for pressing plate | |
| CN218543922U (en) | Anti-interference device base | |
| CN210282033U (en) | Wheel spoke clamping device | |
| CN215720738U (en) | Controllable wind power generation equipment gear box cooling device | |
| CN220408458U (en) | Clamp for damping spring | |
| CN219718841U (en) | Electronic component installs anticreep device | |
| CN218645083U (en) | Safety monitoring device for construction | |
| CN215554548U (en) | But automatic unloader of quick replacement's herbal pieces- |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |