CN112299270B - Fixed lifting device of signal receiver - Google Patents
Fixed lifting device of signal receiver Download PDFInfo
- Publication number
- CN112299270B CN112299270B CN202011195141.5A CN202011195141A CN112299270B CN 112299270 B CN112299270 B CN 112299270B CN 202011195141 A CN202011195141 A CN 202011195141A CN 112299270 B CN112299270 B CN 112299270B
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- limiting
- signal receiver
- rotating shaft
- assembly
- block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/04—Driving gear manually operated
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
- B66C1/00—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles
- B66C1/10—Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith for transmitting lifting forces to articles or groups of articles by mechanical means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
- B66D1/02—Driving gear
- B66D1/14—Power transmissions between power sources and drums or barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/32—Detent devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Train Traffic Observation, Control, And Security (AREA)
Abstract
The invention discloses a signal receiver fixing lifting device which comprises an adjusting and limiting unit and a guide rail unit, wherein the adjusting and limiting unit comprises a lifting assembly and a balance assembly positioned at the top of the lifting assembly, and the lifting assembly and the balance assembly are both provided with bases; the guide rail unit comprises L-shaped guide rails which are symmetrically arranged, and the L-shaped guide rails are positioned at the tops of the balance assemblies; compared with the traditional mode of installing the signal receiver by manpower with high risk, the invention has the advantages that the maintenance personnel can take down and replace the roof synchronous clock signal receiver (mushroom head) by utilizing the fixed lifting equipment of the synchronous clock signal receiver without ascending the height, thereby improving the personal safety of the maintenance personnel; the signal receiver fixed lifting equipment is formed by combining a plurality of parts, and if the signal receiver fixed lifting equipment is damaged, only the damaged part can be replaced.
Description
Technical Field
The invention relates to the technical field of electrical equipment, in particular to a signal receiver fixing lifting device.
Background
Along with the constantly increasing of intelligent substation construction number, all equipment in the transformer substation are to the time precision requirement higher and higher, but do not have relevant guarantee maintainer to change synchronous clock antenna's device or similar equipment now, and synchronous clock signal receiver (mushroom head) must be placed in open position and just can normally work, near can not have the obstacle, consequently most transformer substation synchronous clock signal receiver (mushroom head) are located the house roof, and three meters off the ground at least on the house roof, consequently change synchronous clock signal receiver (mushroom head) and belong to high risk height operation, simultaneously because the house top does not have the climbing department, unable safety belt hangs the department, can't use the safety protection articles for use.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the problem that the fixed lifting equipment of the existing signal receiver has danger to overhaul and replace the equipment.
It is therefore an object of the present invention to provide a signal receiver fixed lifting device.
In order to solve the technical problems, the invention provides the following technical scheme: a signal receiver fixing lifting device comprises an adjusting and limiting unit and a guide rail unit, wherein the adjusting and limiting unit comprises a lifting assembly and a balance assembly positioned at the top of the lifting assembly, and the lifting assembly and the balance assembly are both provided with bases; and the guide rail unit comprises symmetrically arranged L-shaped guide rails, and the L-shaped guide rails are positioned at the tops of the balance assemblies.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the base is provided with a plurality of first fixing holes, a first rotating shaft and a second rotating shaft are arranged on two sides of the base in a penetrating mode respectively, a limiting screw is connected to the bottom of one side of the base in a threaded mode, the limiting rod is located at the bottom of the first rotating shaft, and a steel cable wraps the first rotating shaft.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the first rotating shaft is fixedly connected with a crank through one end extending out of one side of the base, and is fixedly sleeved with a transmission gear which is located on the inner side of the base.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the second rotating shaft is sleeved with a driven gear and a limiting ring in sequence, the limiting ring is located on one side of the driven gear, the driven gear and the limiting ring are located on the inner side of the base, and the driven gear is meshed with the transmission gear.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the limiting screw extends to a first limiting block fixedly connected with one end of the inner side of the base, and the first limiting block is meshed with the transmission gear.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the guide rail unit further comprises a second limiting block and a driven assembly, the second limiting block is fixedly connected with one end of the L-shaped guide rail, and the driven assembly is located inside the L-shaped guide rail.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: and fixed blocks are arranged on one sides of the L-shaped guide rail and the second limiting block, and second fixed holes are formed in the fixed blocks.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the second stopper is provided with a through groove horizontally, a limiting rod and a limiting sheet are arranged between the second stoppers, an annular limiting groove is formed in the limiting rod, and a special-shaped groove is formed in the limiting sheet.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the driven assembly comprises a connecting block and pulleys connected with two ends of the connecting block in a shaft mode, a first connecting ring and a second connecting ring are arranged on two sides of the connecting block respectively, a supporting rod is fixedly connected to the top of the connecting block, a positioning block is fixedly connected to the top of the supporting rod, and positioning holes are formed in the positioning block.
As a preferable aspect of the signal receiver fixing lifting device of the present invention, wherein: the steel cable wrapped on the second rotating shaft in the lifting assembly is fixedly connected with the connecting ring through an annular limiting groove, and the steel cable wrapped on the second rotating shaft in the balancing assembly is fixedly connected with the second connecting ring.
The invention has the beneficial effects that: compared with the traditional mode of installing the signal receiver by manpower with high risk, the maintenance personnel can take down and replace the roof synchronous clock signal receiver (mushroom head) by utilizing the fixed lifting equipment of the synchronous clock signal receiver without ascending the height, thereby improving the personal safety of the maintenance personnel; the signal receiver fixed lifting equipment is formed by combining a plurality of components, and if the signal receiver fixed lifting equipment is damaged, only the damaged part can be replaced; the design of transverse guide and arc turning both is in order to strengthen the stability of the fixed jacking equipment of signal receiver, avoids the scheduling problem that collapses, looks for the strongest department of signal when convenient interim debugging simultaneously, and has a draw-in groove in assigned position department, and receiving arrangement gets into behind the transverse guide by stainless steel wire rope traction to the guide rail front end, thereby gets into the guide rail draw-in groove again and reaches the fixed purpose.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
fig. 1 is a schematic view of the overall structure of the signal receiver fixed lifting device of the present invention.
Fig. 2 is a schematic structural diagram of the lifting assembly and the balancing assembly of the signal receiver fixed lifting device of the present invention.
Fig. 3 is a schematic structural view of a guide rail unit of the signal receiver fixed lifting device of the present invention.
Fig. 4 is a schematic structural diagram of a driven assembly of the signal receiver fixed lifting device of the present invention.
Fig. 5 is a schematic diagram of a second stop block structure of the signal receiver for fixing the lifting device according to the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described and will be readily apparent to those of ordinary skill in the art without departing from the spirit of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.
Furthermore, the present invention is described in detail with reference to the drawings, and in the detailed description of the embodiments of the present invention, the cross-sectional view illustrating the structure of the device is not enlarged partially according to the general scale for convenience of illustration, and the drawings are only exemplary and should not be construed as limiting the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.
Example 1
Referring to fig. 1-5, there is provided an overall structural schematic view of a signal receiver-fixed lifting device, referring to fig. 1-5, a signal receiver fixing lifting device comprises an adjusting and limiting unit 100 for adjusting and limiting a device, a lifting assembly 101 for adjusting the lifting of the device, a balancing assembly 102 for balancing the device, a base 101a for bearing, a guide rail unit 200 for limiting the device, and an L-shaped guide rail 201, wherein the device is formed by adjusting the matching between the limiting unit 100 and the guide rail unit 200, compared with the traditional high-risk manual signal receiver installation mode, the device has the advantages that maintenance personnel do not need to ascend, and the roof synchronous clock signal receiver (mushroom head) can be taken down and replaced by utilizing the synchronous clock signal receiver to fix the lifting equipment, so that the personal safety of the maintenance personnel is improved; the signal receiver fixed lifting equipment is formed by combining a plurality of components, and if the signal receiver fixed lifting equipment is damaged, only the damaged part can be replaced; the design of transverse guide and arc turning both is in order to strengthen the stability of the fixed jacking equipment of signal receiver, avoids the scheduling problem that collapses, looks for the strongest department of signal when convenient interim debugging simultaneously, and has a draw-in groove in assigned position department, and receiving arrangement gets into behind the transverse guide by stainless steel wire rope traction to the guide rail front end, thereby gets into the guide rail draw-in groove again and reaches the fixed purpose.
Specifically, the main structure of the invention comprises an adjusting and limiting unit 100 for adjusting and limiting the device, and comprises a lifting component 101 for adjusting the lifting of the device and a balancing component 102 positioned at the top of the lifting component 101 and ensuring the balance of the device, wherein the lifting component 101 and the balancing component 102 are both provided with a base 101a for bearing; and the guide rail unit 200 for limiting the device comprises symmetrically arranged L-shaped guide rails 201 for limiting the device, and the L-shaped guide rails 201 are positioned at the top of the balance assembly 102.
Example 2
Referring to fig. 2, this embodiment is different from the first embodiment in that: the adjusting and limiting unit 100 for adjusting and limiting the device further comprises a first fixing hole 101b matched with the screw to fix the base 101a, a first rotating shaft 101c and a second rotating shaft 101d playing a role in rotation, a limiting screw 101e playing a role in adjustment, a crank 101c-1 driving the first rotating shaft 101 to rotate, a transmission tooth 101c-2 playing a role in transmission, a driven tooth 101d-1 rotating along with the transmission tooth 101c-2, a limiting ring 101d-2 for limiting a steel cable and a first limiting block 101e-1 limiting the transmission tooth 101c-2, wherein the base 101a is fixed through the matching of the first fixing hole 101b and the screw, so that the stability of the device is guaranteed; through rotating crank 101c-1, thereby drive the driving tooth 101c-2 that cup joints on first rotation axis 101c and rotate, and then drive the driven tooth 101d-1 that cup joints on second rotation axis 101d and rotate, thereby make second rotation axis 101d rotate, adjust receiving and releasing of steel cable, make maintainer both need not ascend a height, utilize the fixed jacking equipment of synchronous clock signal receiver to take off and change the synchronous clock signal receiver (mushroom head) in roof, thereby improve maintainer's personal safety.
Specifically, a plurality of first fixing holes 101b matched with screws to fix the base 101a are formed in the base 101a, a first rotating shaft 101c and a second rotating shaft 101d which have a rotating function are respectively arranged on two sides of the base 101a in a penetrating mode, a limiting screw 101e which has an adjusting function is connected to the bottom of one side of the base 101a in a threaded mode, a limiting rod 101e is located at the bottom of the first rotating shaft 101c, and a steel cable is wrapped on the second rotating shaft 101 d; one end of the first rotating shaft 101c, which extends out of one side of the base 101a, is fixedly connected with a crank 101c-1 which drives the first rotating shaft 101 to rotate, a transmission gear 101c-2 which plays a role in transmission is fixedly sleeved on the first rotating shaft 101c, and the transmission gear 101c-2 is positioned on the inner side of the base 101 a; a driven tooth 101d-1 which rotates along with the transmission tooth 101c-2 and a limiting ring 101d-2 which limits the steel cable are sequentially sleeved on the second rotating shaft 101d, the limiting ring 101d-2 is positioned on one side of the driven tooth 101d-1, the driven tooth 101d-1 and the limiting ring 101d-2 are positioned on the inner side of the base 101a, and the driven tooth 101d-1 is meshed with the transmission tooth 101 c-2; one end of the limit screw 101e extending to the inner side of the base 101a is fixedly connected with a first limit block 101e-1 for limiting the transmission gear 101c-2, and the first limit block 101e-1 is meshed with the transmission gear 101 c-2.
The rest of the structure is the same as in example 1.
Example 3
Referring to fig. 3-5, this embodiment differs from the above embodiments in that: the guide rail unit 200 for limiting the device further comprises a second limiting block 203 for limiting the driven assembly 202, a driven assembly 202 for vertically moving on the L-shaped guide rail 201 along with the steel cable, a fixing block 201a for fixing the L-shaped guide rail 201 and the second limiting block 203, a second fixing hole 201a-1 for fixing the L-shaped guide rail 201 and the second limiting block 203 by matching with screws, a through groove 203a for limiting the driven assembly 202, a limiting rod 203b and a limiting sheet 203c, an annular limiting groove 203b-1 for limiting the steel cable, a special-shaped groove 203c-1 for limiting the supporting rod 202e, a connecting block 202a for connecting, a pulley 202b for driving the connecting block 202a to move, a first connecting ring 202c and a second connecting ring 202d connected with the steel cable, and a supporting rod 202e for supporting the positioning block 202f, Positioning block 202f and positioning hole 202g playing a role in positioning and fixing, through the mutual cooperation between driven assembly 202, "L" shape guide rail 201 and second stopper 203, make the design of transverse guide and arc turning both be in order to strengthen the stability of signal receiver fixed lifting equipment, avoid the scheduling problem that collapses, look for the strongest department of signal when convenient interim debugging simultaneously, and there is a draw-in groove in assigned position department, receiving equipment gets into behind the transverse guide by stainless steel wire rope traction to the guide front end, thereby reentrant guide rail draw-in groove reaches the fixed purpose
Specifically, the guide rail unit 200 for limiting the device further comprises a second limiting block 203 for limiting the driven assembly 202 and the driven assembly 202 for vertically displacing along the L-shaped guide rail 201 along with the steel cable, the second limiting block 203 is fixedly connected with one end of the L-shaped guide rail 201, and the driven assembly 202 is located inside the L-shaped guide rail 201; one sides of the L-shaped guide rail 201 and the second limiting block 203 are both provided with a fixing block 201a for fixing the L-shaped guide rail 201 and the second limiting block 203, and the fixing block 201a is provided with a second fixing hole 201a-1 which is matched with a screw to fix the L-shaped guide rail 201 and the second limiting block 203; a through groove 203a for limiting the driven assembly 202 is horizontally formed in the second limiting block 203, a limiting rod 203b and a limiting sheet 203c for limiting the driven assembly 202 are arranged between the adjacent second limiting blocks 203, an annular limiting groove 203b-1 for limiting a steel cable is formed in the limiting rod 203b, and a special-shaped groove 203c-1 for limiting the supporting rod 202e is formed in the limiting sheet 203 c; the driven assembly 202 comprises a connecting block 202a for connection and a pulley 202b which is connected with two ends of the connecting block 202a in a shaft way and drives the connecting block 202a to move, a first connecting ring 202c and a second connecting ring 202d which are connected with a steel cable are respectively arranged on two sides of the connecting block 202a, a supporting rod 202e for supporting a positioning block 202f is fixedly connected to the top of the connecting block 202a, a positioning block 202f for positioning and fixing is fixedly connected to the top of the supporting rod 202e, and a positioning hole 202g for positioning and fixing is formed in the positioning block 202 f; the wire rope wrapped around the second rotating shaft 101d in the lifting assembly 101 is fixedly connected to the connecting ring 202c through the annular limiting groove 202b-1, and the wire rope wrapped around the second rotating shaft 101d in the balancing assembly 102 is fixedly connected to the second connecting ring 202 d.
The rest of the structure is the same as in example 2.
The operation process is as follows: fixing the signal receiving equipment on a positioning block 202f provided with a positioning hole 202g through a screw, driving a first limiting block 101e-1 to rotate by rotating a limiting screw 101e, so that a transmission gear 101c-2 is in a rotatable state, at the moment, rotating a crank 101c-1 to drive the transmission gear 101c-2 sleeved on a first rotating shaft 101c to rotate, further driving a driven gear 101d-1 sleeved on a second rotating shaft 101d to rotate, so that the second rotating shaft 101d rotates, adjusting the retraction and release of a steel cable to drive a driven assembly 202 to displace in an L-shaped guide rail 201, when the signal receiving equipment displaces to a specified position, rotating the limiting screw 101e again to drive the first limiting block 101e-1 to rotate, so that the first limiting block 101e-1 is meshed with the transmission gear 101c-2, so that the gear teeth 101c-2 are in a locked condition to maintain the stability of the device.
It is important to note that the construction and arrangement of the present application as shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters (e.g., temperatures, pressures, etc.), mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter recited in this application. For example, elements shown as integrally formed may be constructed of multiple parts or elements, the position of elements may be reversed or otherwise varied, and the nature or number of discrete elements or positions may be altered or varied. Accordingly, all such modifications are intended to be included within the scope of this invention. The order or sequence of any process or method steps may be varied or re-sequenced according to alternative embodiments. In the claims, any means-plus-function clause is intended to cover the structures described herein as performing the recited function and not only structural equivalents but also equivalent structures. Other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments without departing from the scope of the present inventions. Therefore, the present invention is not limited to a particular embodiment, but extends to various modifications that nevertheless fall within the scope of the appended claims.
Moreover, in an effort to provide a concise description of the exemplary embodiments, all features of an actual implementation may not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the invention, or those unrelated to enabling the invention).
It should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort might be complex and time consuming, but would nevertheless be a routine undertaking of design, fabrication, and manufacture for those of ordinary skill having the benefit of this disclosure, without undue experimentation.
It should be noted that the above-mentioned embodiments are only for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the claims of the present invention.
Claims (5)
1. A signal receiver fixes jacking equipment which characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the adjusting and limiting unit (100) comprises a lifting assembly (101) and a balancing assembly (102) positioned at the top of the lifting assembly (101), and the lifting assembly (101) and the balancing assembly (102) are both provided with a base (101 a); and the number of the first and second groups,
the guide rail unit (200) comprises symmetrically arranged 'L' -shaped guide rails (201), and the 'L' -shaped guide rails (201) are positioned at the tops of the balance assemblies (102);
the guide rail unit (200) further comprises a second limiting block (203) and a driven assembly (202), the second limiting block (203) is fixedly connected with one end of the L-shaped guide rail (201), and the driven assembly (202) is located inside the L-shaped guide rail (201);
one sides of the L-shaped guide rail (201) and the second limiting block (203) are provided with fixing blocks (201a), and the fixing blocks (201a) are provided with second fixing holes (201 a-1);
a through groove (203a) is horizontally formed in each second limiting block (203), a limiting rod (203b) and a limiting sheet (203c) are arranged between every two adjacent second limiting blocks (203), an annular limiting groove (203b-1) is formed in each limiting rod (203b), and a special-shaped groove (203c-1) is formed in each limiting sheet (203 c);
the driven assembly (202) comprises a connecting block (202a) and pulleys (202b) which are in shaft connection with two ends of the connecting block (202a), a first connecting ring (202c) and a second connecting ring (202d) are respectively arranged on two sides of the connecting block (202a), a supporting rod (202e) is fixedly connected to the top of the connecting block (202a), a positioning block (202f) is fixedly connected to the top of the supporting rod (202e), and a positioning hole (202g) is formed in the positioning block (202 f);
the steel cable wrapped on the second rotating shaft (101d) in the lifting assembly (101) is fixedly connected with the first connecting ring (202c) through an annular limiting groove (202b-1), and the steel cable wrapped on the second rotating shaft (101d) in the balancing assembly (102) is fixedly connected with the second connecting ring (202 d).
2. The signal receiver fixed lifting device of claim 1, wherein: the improved multifunctional automobile seat is characterized in that a plurality of first fixing holes (101b) are formed in the base (101a), a first rotating shaft (101c) and a second rotating shaft (101d) are arranged on two sides of the base (101a) in a penetrating mode respectively, a limiting screw (101e) is connected to the bottom of one side of the base (101a) in a threaded mode, the limiting screw (101e) is located at the bottom of the first rotating shaft (101c), and a steel cable is wrapped on the second rotating shaft (101 d).
3. The signal receiver-fixed lifting device according to claim 2, wherein: one end, extending out of one side of the base (101a), of the first rotating shaft (101c) is fixedly connected with a crank (101c-1), the first rotating shaft (101c) is fixedly sleeved with transmission teeth (101c-2), and the transmission teeth (101c-2) are located on the inner side of the base (101 a).
4. The signal receiver fixed lifting device of claim 3, wherein: a driven tooth (101d-1) and a limiting ring (101d-2) are sequentially sleeved on the second rotating shaft (101d), the limiting ring (101d-2) is located on one side of the driven tooth (101d-1), the driven tooth (101d-1) and the limiting ring (101d-2) are located on the inner side of the base (101a), and the driven tooth (101d-1) is meshed with the transmission tooth (101 c-2).
5. The signal receiver fixed lifting device of claim 3, wherein: one end, extending to the inner side of the base (101a), of the limiting screw (101e) is fixedly connected with a first limiting block (101e-1), and the first limiting block (101e-1) is meshed with the transmission teeth (101 c-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195141.5A CN112299270B (en) | 2020-10-31 | 2020-10-31 | Fixed lifting device of signal receiver |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011195141.5A CN112299270B (en) | 2020-10-31 | 2020-10-31 | Fixed lifting device of signal receiver |
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| CN112299270A CN112299270A (en) | 2021-02-02 |
| CN112299270B true CN112299270B (en) | 2022-05-20 |
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| CN108386671A (en) * | 2018-04-26 | 2018-08-10 | 苏州高精特专信息科技有限公司 | Automatically the computer rack on roof is retracted into after a kind of shutdown |
| CN109237251A (en) * | 2018-08-09 | 2019-01-18 | 柳州通亿汽车配件制造有限公司 | A kind of detection device of automation equipment |
| CN209801119U (en) * | 2019-05-16 | 2019-12-17 | 深圳航天科技创新研究院 | port crane operation monitoring support |
| CN110448881A (en) * | 2019-09-16 | 2019-11-15 | 辽东学院 | A kind of Multifunctional basketball code device and its system |
| CN210535823U (en) * | 2019-11-01 | 2020-05-15 | 天津津海明科技发展股份有限公司 | Antenna installation device with adjustable multi-angle |
| CN210899147U (en) * | 2019-12-05 | 2020-06-30 | 陈冈利 | Mobile data receiving equipment convenient to install |
| CN110824194A (en) * | 2019-12-10 | 2020-02-21 | 江苏省江都水利工程管理处 | H-ADCP flow measuring platform capable of automatically controlling lifting |
| CN210923749U (en) * | 2019-12-10 | 2020-07-03 | 江苏省江都水利工程管理处 | H-ADCP flow measuring platform capable of automatically controlling lifting |
| CN211716092U (en) * | 2019-12-26 | 2020-10-20 | 中国建筑第八工程局有限公司 | Automatic lifting device for installation of construction site Internet of things base station |
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