CN204103324U - The controller switching equipment handcart of a kind of lead screw transmission assembly and band lead screw transmission assembly - Google Patents
The controller switching equipment handcart of a kind of lead screw transmission assembly and band lead screw transmission assembly Download PDFInfo
- Publication number
- CN204103324U CN204103324U CN201420530654.0U CN201420530654U CN204103324U CN 204103324 U CN204103324 U CN 204103324U CN 201420530654 U CN201420530654 U CN 201420530654U CN 204103324 U CN204103324 U CN 204103324U
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- Prior art keywords
- plate
- transmission assembly
- lead screw
- switching equipment
- self
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 59
- 210000003371 toe Anatomy 0.000 claims abstract description 30
- 238000009434 installation Methods 0.000 claims abstract description 15
- 230000000903 blocking effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 description 7
- 238000009987 spinning Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000001141 propulsive effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
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Abstract
The utility model discloses the controller switching equipment handcart of a kind of lead screw transmission assembly and band lead screw transmission assembly, this lead screw transmission assembly, comprise the self-locking block that can move axially along leading screw, the head end of leading screw is provided with square toes, self-locking block offers the through hole coordinated with square toes to limit screw turns, self-locking block is set on leading screw by through hole.The controller switching equipment handcart of this band lead screw transmission assembly, comprise cart body and front end-plate, go-cart body is placed in the installation cabinet of controller switching equipment, front end-plate is fixedly installed on the cabinet door place of the installation cabinet of controller switching equipment, controller switching equipment handcart with lead screw transmission assembly also comprises above-mentioned lead screw transmission assembly, transmission nut is fixedly arranged on go-cart body, square toes are through front end-plate, limit connector is provided with outside front end-plate, self-locking block is installed on front end-plate by described limit connector, is installed with flexible between front end-plate and self-locking block.The utility model has that structure is simple, convenient operation and the high advantage of fail safe.
Description
Technical field
The utility model relates to transmission art field, particularly relates to the controller switching equipment handcart of a kind of lead screw transmission assembly and band lead screw transmission assembly.
Background technology
In urban track traffic DC traction power-supply system, the important controller switching equipment of such as DC circuit breaker etc. is all arranged in corresponding cabinet, as high-low pressure cabinet and direct-current switch cabinet.For the ease of installation and the maintenance of controller switching equipment, usually special Trolley (abbreviation go-cart) is furnished with, traditional go-cart is fixedly connected with the cabinet door of cabinet, and controller switching equipment is placed in go-cart, controller switching equipment is pushed into installation site or shifts out from installation site all to compare effort.By contrast, long straight leading screw and the transmission nut be fixed in go-cart is adopted to coordinate, shake the hand at the square toes of outside rotating threaded shaft head end by supporting leading screw, and then promotion handcart, propulsive force is little, simple to operate, propelling is steady and the plurality of advantages of safety to adopt this kind of drive then to have, and is thus used widely.But along with the increase of controller switching equipment operating time, long vibrations can cause leading screw to spin, and the impact produced in separating brake, combined floodgate arc extinguishing process also can cause leading screw to spin, and causes the contact of controller switching equipment and bus to come off, makes circuit power-off.In addition, in live line working process, if spin or operating personnel's misoperation occur leading screw, the controller switching equipment being originally in off-state is communicated with bus, likely causes security incident, there is larger potential safety hazard.
Utility model content
The technical problems to be solved in the utility model overcomes the deficiencies in the prior art, provide a kind of structure simple, there is auto-lock function and the controller switching equipment handcart of use safety, easily lead screw transmission assembly and band lead screw transmission assembly.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of lead screw transmission assembly, the transmission nut comprising leading screw and coordinate with the tail end of leading screw, the head end of described leading screw is provided with square toes, described lead screw transmission assembly also comprises the self-locking block that can move axially along described leading screw, described self-locking block offers the through hole coordinating to limit described screw turns with described square toes, described self-locking block is set on described leading screw by through hole.
Further improvement as technique scheme:
Described square toes are hex nut or square head, and described through hole is dodecagon hole.
A kind of controller switching equipment handcart with lead screw transmission assembly, comprise cart body and front end-plate, described cart body is placed in the installation cabinet of described controller switching equipment, described front end-plate is fixedly installed on the cabinet door place of the installation cabinet of described controller switching equipment, the controller switching equipment handcart of described band lead screw transmission assembly also comprises above-mentioned lead screw transmission assembly, described transmission nut is fixedly arranged in described cart body, described square toes are through described front end-plate, limit connector is provided with outside described front end-plate, described self-locking block is installed in the outside of described front end-plate by described limit connector, flexible is installed with between described front end-plate and described self-locking block.
Further improvement as technique scheme:
Described limit connector is threaded pin, and described elastic component comprises spring, and described spring housing is located on described pin.
Described self-locking block is provided with the flap bent to described front end-plate, described front end-plate is provided with movable interlock plate, and described interlock plate is moveable between described self-locking block flap and described front end-plate to limit the motion of self-locking block end plate forward.
The hyoplastron that described interlock plate comprises interlocking pressing plate and is connected with described interlocking pressing plate, described hyoplastron can turn between described self-locking block flap and described front end-plate.
Described front end-plate is provided with blocking lever and gag lever post, described interlock plate is connected with described interlock lever, a sheathed torsionspring on described blocking lever, first torque arm of described torsionspring and described gag lever post against, second torque arm and described interlocking pressing plate against, the cabinet door of described installation cabinet is provided with unblock briquetting, and when cabinet door is opened, described hyoplastron is between described flap and described front end-plate.
Described unblock briquetting cross section is wedge shape, when cabinet door is closed, unlocks briquetting and pushes described interlocking pressing plate, be positioned at outside described flap and described front end-plate to make described hyoplastron.
Compared with prior art, the utility model has the advantage of:
Lead screw transmission assembly of the present utility model, the transmission nut comprising leading screw and coordinate with the tail end of leading screw, the head end of leading screw is provided with square toes, lead screw transmission assembly also comprises the self-locking block that can move axially along leading screw, self-locking block offers the through hole coordinated with square toes to limit screw turns, self-locking block is set on leading screw by through hole.When the through hole of self-locking block is set on the square toes of leading screw, leading screw just cannot rotate, realize self-locking, thus prevent leading screw from spinning, when needing rotating threaded shaft, self-locking block is moved axially a segment distance along leading screw, through hole on self-locking block is separated with square toes, simple and reliable for structure, can effectively prevent leading screw from spinning, convenient operation again.
The controller switching equipment handcart of band lead screw transmission assembly of the present utility model, comprise cart body and front end-plate, cart body is placed in the installation cabinet of controller switching equipment, front end-plate is fixedly installed on the cabinet door place of the installation cabinet of controller switching equipment, controller switching equipment handcart with lead screw transmission assembly also comprises above-mentioned lead screw transmission assembly, transmission nut is fixedly arranged in cart body, square toes are through front end-plate, limit connector is provided with outside front end-plate, self-locking block is installed on front end-plate by described limit connector, is installed with flexible between front end-plate and self-locking block.Self-locking block, under the effect of elastic component, by the rotation of through hole restriction leading screw, prevents leading screw from spinning; When needs mobile trolley, the kit such as to shake the hand by self-locking block toward the pushing of front end-plate side by leading screw, through hole is separated with square toes, just rotatable leading screw, after arriving precalculated position to controller switching equipment, remove kit, self-locking block automatically resets under the effect of elastic component, and leading screw recovers self-locking state, effectively prevent the spin of leading screw, improve the fail safe of controller switching equipment handcart, and structure is simple, convenient operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model lead screw transmission assembly.
Fig. 2 is the structural representation of the controller switching equipment handcart of the utility model band lead screw transmission assembly.
Fig. 3 is the A direction view of Fig. 2.
Fig. 4 is the B direction view of Fig. 3.
Schematic diagram when Fig. 5 is lead screw transmission assembly and cabinet gate interlock state in the utility model.
In figure, each label represents:
1, transmission nut; 2, leading screw; 21, square toes; 3, self-locking block; 31, flap; 32, through hole; 4, cart body; 5, front end-plate; 6, cabinet is installed; 61, cabinet door; 7, limit connector; 8, elastic component; 9, interlock plate; 91, interlocking pressing plate; 92, hyoplastron; 10, blocking lever; 11, gag lever post; 12, torsionspring; 121, the first torque arm; 122, the second torque arm; 13, briquetting is unlocked.
Embodiment
Fig. 1 shows a kind of embodiment of the utility model lead screw transmission assembly, the lead screw transmission assembly of this embodiment, the transmission nut 1 comprising leading screw 2 and coordinate with the tail end of leading screw 2, the head end of leading screw 2 is provided with square toes 21, lead screw transmission assembly also comprises the self-locking block 3 that can move axially along leading screw 2, self-locking block 3 offers the through hole 32 coordinating to limit leading screw 2 with square toes 21 and rotate, self-locking block 3 is set on leading screw 2 by through hole 32.When the through hole 32 of self-locking block 3 is set on the square toes 21 of leading screw 2, leading screw 2 just cannot rotate, realize self-locking, thus effectively prevent the spin of leading screw 2, when needing rotating threaded shaft 2, self-locking block 3 is moved axially a segment distance along leading screw 2, through hole 32 is separated with square toes 21, simple and reliable for structure, can effectively prevent leading screw from spinning, convenient operation again.
In the present embodiment, square toes 21 are hex nut, and through hole 32 is dodecagon hole, and dodecagon is the large 1mm-2mm of hex nut comparatively, and under the effect not having external force, through hole 32 entangles the square toes 21 of leading screw 2, the spin of restriction leading screw 2.
Except the present embodiment, square toes 21 also can be square head, and specific purpose tool supports the use to adopt hex nut or square head to be convenient to shake the hand with existing leading screw etc., cost-saving.
Fig. 2 to Fig. 5 shows a kind of embodiment of the controller switching equipment handcart of the utility model band lead screw transmission assembly, the controller switching equipment handcart of the band lead screw transmission assembly of this embodiment, comprise cart body 4 and front end-plate 5, cart body 4 is placed in the installation cabinet 6 of controller switching equipment, front end-plate 5 is fixedly installed on cabinet door 61 place of the installation cabinet 6 of controller switching equipment, controller switching equipment handcart with lead screw transmission assembly also comprise in above-described embodiment lead screw transmission assembly, transmission nut 1 is fixedly arranged in cart body 4, square toes 21 are through front end-plate 5, limit connector 7 is provided with outside front end-plate 5, self-locking block 3 is installed in the outside of front end-plate 5 by limit connector 7, flexible 8 is installed with between front end-plate 5 and self-locking block 3.Self-locking block 3, under the effect of elastic component 8, limits the rotation of leading screw 2 by through hole 32, prevent leading screw 2 from spinning; When needs mobile trolley body 4, self-locking block 3 pushes by kit inside front end-plate 5 to utilize leading screw to shake the hand etc., through hole 32 is separated, just rotatable leading screw 2 with square toes 21, after arriving precalculated position to controller switching equipment, remove kit, self-locking block 3 automatically resets under the effect of elastic component 8, and leading screw 2 recovers self-locking state, effectively prevent the spin of leading screw 2, improve the fail safe of controller switching equipment handcart, and structure is simple, convenient operation.
In the present embodiment, limit connector 7 is threaded bearing pin, and elastic component 8 comprises spring, spring housing is located on bearing pin, rely on effect restriction self-locking block 3 the moving along leading screw 2 axis of spring, and utilize the elastic force of spring to realize the reset of self-locking block 3, make lead screw transmission component recovery self-locking state.
In the present embodiment, self-locking block 3 is provided with the flap 31 that end plate 5 forward bends, front end-plate 5 is provided with movable interlock plate 9, interlock plate 9 is moveable between flap 31 and front end-plate 5 to limit the motion of self-locking block 3 end plate 5 forward, in the present embodiment, interlock plate 9 is positioned at the left side of self-locking block 3, when interlock plate 9 moves between flap 31 and front end-plate 5, the stroke of self-locking block 3 forward inside end plate 5 is limited, through hole 32 cannot be separated with square toes 21, leading screw 2 cannot rotate, and realizes the interlocking with interlock plate 9.Arrange the stroke that flap 31 shortens self-locking block 3, when interlock plate 9 is between flap 31 and front end-plate 5, lead screw transmission assembly just cannot unlock, and achieves the interlocking with interlock plate 9.
In the present embodiment, the hyoplastron 92 that interlock plate 9 comprises interlocking pressing plate 91 and is connected with interlocking pressing plate 91, hyoplastron 92 can turn between flap 31 and front end-plate 5, and in this enforcement, the motion of interlock plate 9 adopts rotating manner, except the present embodiment, also can adopt the mode of straight reciprocating motion.
In the present embodiment, front end-plate 5 is provided with blocking lever 10 and gag lever post 11, interlock plate 9 and blocking lever 10 are rotationally connected, a sheathed torsionspring 12 on blocking lever 10, first torque arm 121 of torsionspring 12 and gag lever post 11 against, the second torque arm 122 and interlocking pressing plate 91 against, the cabinet door 61 installing cabinet 6 is provided with and unlocks briquetting 13, when cabinet door 61 is opened, hyoplastron 92 is between flap 31 and front end-plate 5.Namely when cabinet door 61 is opened, unlock briquetting 13 to be separated with interlocking pressing plate 91, hyoplastron 92 is under the effect of torsionspring 12, rotate between self-locking block 3 and front end-plate 5, therefore self-locking block 3 to move by hyoplastron 92 along leading screw 2 axis limit, square toes 21 cannot be separated with through hole 32, leading screw 2 just can not rotate, leading screw 2 realizes and the interlocking of cabinet door 61, and when effectively prevent live line working, leading screw 2 spins or the misoperation of operating personnel and the security incident that causes, guarantees job safety.In the present embodiment, blocking lever 10 adopts screw, and gag lever post 11 adopts self-tapping screw.
In the present embodiment, unlocking briquetting 13 cross section is wedge shape, when cabinet door 61 is closed, unlock briquetting 13 and push interlocking pressing plate 91, make hyoplastron 92 be positioned at outside flap 31 and front end-plate 5, when cabinet door 61 is closed, unlock briquetting 13 and extrude interlocking pressing plate 91, prevent torsionspring 12 from rotating hyoplastron 92 between self-locking block 3 and front end-plate 5, when guaranteeing to need rotating threaded shaft 2 to move controller switching equipment, can self-locking be removed.
In the present embodiment, self-locking block 3 adopts the bending of 1.5mm thick cold rolled steel sheet to form, and interlock plate 9 adopts the bending of 4mm thick cold rolled steel sheet to form.
Although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model.Any those of ordinary skill in the art, when not departing from technical solutions of the utility model scope, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solutions of the utility model, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solutions of the utility model, according to the utility model technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all should drop in the scope of technical solutions of the utility model protection.
Claims (8)
1. a lead screw transmission assembly, the transmission nut (1) comprising leading screw (2) and coordinate with the tail end of leading screw (2), the head end of described leading screw (2) is provided with square toes (21), it is characterized in that: described lead screw transmission assembly also comprises the self-locking block (3) that can move axially along described leading screw (2), described self-locking block (3) offers the through hole (32) coordinating to limit described leading screw (2) with described square toes (21) and rotate, described self-locking block (3) is set on described leading screw (2) by through hole (32).
2. lead screw transmission assembly according to claim 1, is characterized in that: described square toes (21) are hex nut or square head, and described through hole (32) is dodecagon hole.
3. the controller switching equipment handcart with lead screw transmission assembly, comprise cart body (4) and front end-plate (5), described cart body (4) is placed in the installation cabinet (6) of described controller switching equipment, described front end-plate (5) is fixedly installed on cabinet door (61) place of the installation cabinet (6) of described controller switching equipment, it is characterized in that: the controller switching equipment handcart of described band lead screw transmission assembly also comprises lead screw transmission assembly as claimed in claim 1 or 2, described transmission nut (1) is fixedly arranged in described cart body (4), described square toes (21) are through described front end-plate (5), described front end-plate (5) outside is provided with limit connector (7), described self-locking block (3) is installed in the outside of described front end-plate (5) by described limit connector (7), be installed with between described front end-plate (5) and described self-locking block (3) flexible (8).
4. the controller switching equipment handcart of band lead screw transmission assembly according to claim 3, is characterized in that: described limit connector (7) is threaded pin, and described elastic component (8) comprises spring, and described spring housing is located on described pin.
5. the controller switching equipment handcart of the band lead screw transmission assembly according to claim 3 or 4, it is characterized in that: described self-locking block (3) is provided with the flap (31) bent to described front end-plate (5), described front end-plate (5) is provided with movable interlock plate (9), described interlock plate (9) is moveable between described flap (31) and described front end-plate (5) to limit the motion of self-locking block (3) end plate (5) forward.
6. the controller switching equipment handcart of band lead screw transmission assembly according to claim 5, it is characterized in that: the hyoplastron (92) that described interlock plate (9) comprises interlocking pressing plate (91) and is connected with described interlocking pressing plate (91), described hyoplastron (92) can turn between described flap (31) and described front end-plate (5).
7. the controller switching equipment handcart of band lead screw transmission assembly according to claim 6, it is characterized in that: described front end-plate (5) is provided with blocking lever (10) and gag lever post (11), described hyoplastron (92) is located on described blocking lever (10), the upper sheathed torsionspring (12) of described blocking lever (10), first torque arm (121) of described torsionspring (12) and described gag lever post (11) against, second torque arm (122) and described interlocking pressing plate (91) against, the cabinet door (61) of described installation cabinet (6) is provided with and unlocks briquetting (13), when cabinet door (61) is opened, described hyoplastron (92) is positioned between described flap (31) and described front end-plate (5).
8. the controller switching equipment handcart of band lead screw transmission assembly according to claim 7, it is characterized in that: described unblock briquetting (13) cross section is wedge shape, when cabinet door (61) is closed, unblock briquetting (13) pushes described interlocking pressing plate (91) makes described hyoplastron (92) be positioned at outside described flap (31) and described front end-plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530654.0U CN204103324U (en) | 2014-09-16 | 2014-09-16 | The controller switching equipment handcart of a kind of lead screw transmission assembly and band lead screw transmission assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530654.0U CN204103324U (en) | 2014-09-16 | 2014-09-16 | The controller switching equipment handcart of a kind of lead screw transmission assembly and band lead screw transmission assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204103324U true CN204103324U (en) | 2015-01-14 |
Family
ID=52271725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530654.0U Expired - Fee Related CN204103324U (en) | 2014-09-16 | 2014-09-16 | The controller switching equipment handcart of a kind of lead screw transmission assembly and band lead screw transmission assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204103324U (en) |
-
2014
- 2014-09-16 CN CN201420530654.0U patent/CN204103324U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171211 Address after: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee after: ZHUZHOU CRRC TIMES ELECTRIC Co.,Ltd. Address before: The age of 412001 in Hunan Province, Zhuzhou Shifeng District Road No. 169 Patentee before: ZHUZHOU CRRC TIMES EQUIPMENT TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150114 |