CN208857791U - A kind of rack-and-pinion headstock gear - Google Patents
A kind of rack-and-pinion headstock gear Download PDFInfo
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- CN208857791U CN208857791U CN201821463018.5U CN201821463018U CN208857791U CN 208857791 U CN208857791 U CN 208857791U CN 201821463018 U CN201821463018 U CN 201821463018U CN 208857791 U CN208857791 U CN 208857791U
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Abstract
The utility model discloses a kind of rack-and-pinion headstock gears, including shell, connecting shaft and turntable, the left end of the shell is equipped with direct current generator, and the right end of direct current generator is equipped with shaft, and shaft and shell are connected with each other, the shaft right end is fixedly installed with worm screw, and worm screw is located at the inside of shell, the worm and wheel is connected with each other, and worm gear is mounted on the outer surface of support shaft, the support shaft and shell are connected with each other, and support shaft is fixedly connected through shell with gear, the connecting shaft is fixedly mounted on the right end of worm screw, and connecting shaft runs through first through hole, the right end of connecting shaft is arranged in the turntable, and the right surface of turntable offers link slot.The rack-and-pinion headstock gear, gear and need to be attached rack gear in pairs, monoblock type processing guarantees two toothed rack synchronization accuracies, while the transmission efficiency of gear and rack gear is between 0.94~0.98, is driven than nut-screw, chain drive and wire rope gearing efficiency are all high.
Description
Technical field
The utility model relates to headstock gear technical field, specially a kind of rack-and-pinion headstock gear.
Background technique
Headstock gear is a kind of equipment for close with opening operation to gate, and staff is facilitated to pass through headstock gear
Gate is operated, stabilization when gate is operated is increased.
Common headstock gear currently on the market, be generally used for nut-screw transmission, chain drive and wire rope gearing into
Row operating, working efficiency is lower, while fortune on and off can not be carried out to gate when the headstock gear breaks down
Turn, in view of the above-mentioned problems, carrying out innovative design on the basis of original headstock gear.
Utility model content
The purpose of this utility model is to provide a kind of rack-and-pinion headstock gears, to solve mesh mentioned above in the background art
Preceding common headstock gear in the market is generally used for what nut-screw transmission, chain drive and wire rope gearing were operated,
Working efficiency is lower, at the same the headstock gear break down when can not carry out operating on and off to gate the problem of.
To achieve the above object, the utility model provides the following technical solutions: a kind of rack-and-pinion headstock gear, including shell,
Connecting shaft and turntable, the left end of the shell is equipped with direct current generator, and the right end of direct current generator is equipped with shaft, and shaft
It is connected with each other with shell, the shaft right end is fixedly installed with worm screw, and worm screw is located at the inside of shell, the worm and wheel
It is connected with each other, and worm gear is mounted on the outer surface of support shaft, the support shaft and shell are connected with each other, and support shaft runs through shell
It is fixedly connected with gear, the connecting shaft is fixedly mounted on the right end of worm screw, and connecting shaft runs through first through hole, and described first is logical
Hole is arranged on partition, and partition is mounted on the inner wall of shell, and the right end of connecting shaft, and the right side of turntable is arranged in the turntable
Surface offers link slot, and the right of the turntable is provided with safety head, and safety head and mounting groove are connected with each other, and are installed
Slot is arranged on the shell, and the top of the safety head offers the second through-hole, and the second through-hole and bolt are connected with each other, the spiral shell
Bolt passes through the second through-hole and screw hole is connected with each other, and screw hole setting is on the shell.
Preferably, there are two the number settings of the gear, and 2 gears symmetrically divide about the longitudinal centre line of support shaft
Cloth, and gear constitutes rotational structure by support shaft and shell.
Preferably, the connecting shaft is integrated with worm screw, and connecting shaft is made up of first through hole and partition and revolves
Rotation structure.
Preferably, the turntable and connecting shaft are to be welded to connect, and the link slot side view on turntable is regular hexagon.
Preferably, the safety head constitutes slide construction by mounting groove and shell, and safety head is inverted " t " font knot
Structure.
Preferably, the diameter of the second through-hole on the safety head is greater than the diameter of screw hole, and the top of safety head and outer
Shell is fitted and connected.
Compared with prior art, the utility model has the beneficial effects that the rack-and-pinion headstock gear,
1, gear and need to be attached rack gear in pairs, monoblock type processing guarantees two toothed rack synchronization accuracies, simultaneously
The transmission efficiency of gear and rack gear is between 0.94~0.98, than nut-screw transmission, chain drive and wire rope gearing efficiency
It is all high；
2, the headstock gear has the function of manual operation, when the headstock gear breaks down, needs special-purpose cranking bar
The hand open-close sluice gate of energy, while the headstock gear has safety head, needs specific purpose tool that could open, thus to the hand of the headstock gear
Swing mechanism is protected；
3, the headstock gear is run in the case where normal operation by direct current generator, so that the headstock gear be made to operate
It is shut down automatically in the case where load, while there is self-locking work between worm and worm wheel, prevent gate hair when breaking down
The phenomenon that raw dramatic decrease.
Detailed description of the invention
Fig. 1 is the utility model entirety the schematic diagram of the section structure；
Fig. 2 is enlarged structure schematic diagram at A in the utility model Fig. 1；
Fig. 3 is the utility model entirety top view cross section structural schematic diagram；
Fig. 4 is the utility model safety head and the right view section attachment structure schematic diagram of mounting groove；
Fig. 5 is the utility model turntable and link slot right side structural representation.
In figure: 1, shell；2, direct current generator；3, shaft；4, worm screw；5, worm gear；6, support shaft；7, gear；8, connecting shaft；
9, first through hole；10, partition；11, turntable；12, link slot；13, safety head；14, mounting groove；15, the second through-hole；16, bolt；
17, screw hole.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-5 is please referred to, the utility model provides a kind of technical solution: a kind of rack-and-pinion headstock gear, including shell 1, company
Spindle 8 and turntable 11, the left end of shell 1 is equipped with direct current generator 2, and the right end of direct current generator 2 is equipped with shaft 3, and turns
Axis 3 and shell 1 are connected with each other, and 3 right end of shaft is fixedly installed with worm screw 4, and worm screw 4 is located at the inside of shell 1, worm screw 4 and snail
Wheel 5 is connected with each other, and worm gear 5 is mounted on the outer surface of support shaft 6, and support shaft 6 and shell 1 are connected with each other, and support shaft 6 runs through
Shell 1 is fixedly connected with gear 7, and connecting shaft 8 is fixedly mounted on the right end of worm screw 4, and connecting shaft 8 runs through first through hole 9, and first
Through-hole 9 is arranged on partition 10, and partition 10 is mounted on the inner wall of shell 1, and the right end of connecting shaft 8 is arranged in turntable 11, and
The right surface of turntable 11 offers link slot 12, and the right of turntable 11 is provided with safety head 13, and safety head 13 and mounting groove 14
It is connected with each other, and mounting groove 14 is arranged on shell 1, the top of safety head 13 offers the second through-hole 15, and the second through-hole
15 are connected with each other with bolt 16, and bolt 16 passes through the second through-hole 15 and is connected with each other with screw hole 17, and screw hole 17 is arranged in shell 1
On.
There are two the number settings of gear 7, and 2 gears 7 are symmetrical about the longitudinal centre line of support shaft 6, and
Gear 7 constitutes rotational structure by support shaft 6 and shell 1, is conducive to be attached bar in gear 7 and rack gear, the headstock gear is logical
Cross support shaft 6 with moving gear 7 carry out rotating operation, operate gear 7 with carry-over bar, thus make the headstock gear to gate into
Row closes the operating with opening；
Connecting shaft 8 is integrated with worm screw 4, and connecting shaft 8 constitutes rotation knot by first through hole 9 and partition 10
Structure facilitates the headstock gear to carry out hand work so that connecting shaft 8 be made to drive worm screw 4 to be run during being rotated
Operating；
Turntable 11 and connecting shaft 8 are to be welded to connect, and 12 side view of link slot on turntable 11 is regular hexagon, is conducive to make
The headstock gear is connected together by link slot 12 with special-purpose cranking bar, so that staff be made to pass through the rotation to special-purpose cranking bar
Rotate turntable 11；
Safety head 13 constitutes slide construction by mounting groove 14 and shell 1, and safety head 13 is inverted " t " character form structure, from
And stability of the safety head 13 when shell 1 is slided is improved, while preventing safety head 13 from moving from the inside of mounting groove 14
Out；
The diameter of the second through-hole 15 on safety head 13 is greater than the diameter of screw hole 17, and the top of safety head 13 and shell 1
It is fitted and connected, is conducive to make staff that safety head 13 is fixed by bolt 16, prevent safety head 13 from occurring gliding
Phenomenon increases the leakproofness of the headstock gear.
Working principle: according to Fig. 1 and Fig. 3, the headstock gear is installed to suitable position first with tool, makes gear 7
It is engaged and connect with the rack gear on gate, start after then manually powering on direct current generator 2, direct current generator 2 is
Known and existing technology in the market, is not described in detail herein, and direct current generator 2 is made to drive worm screw 4 to carry out by shaft 3
Rotation, so that worm screw 4 be made to drive support shaft 6 to be rotated on shell 1 by worm gear 5, then support shaft 6 passes through 7 band of gear
Carry-over bar moves up and down, and gate is made to carry out operating on and off；
Bolt 16 is carried out using tool manually when needing to carry out hand operation to the headstock gear with Fig. 4 according to fig. 2
Rotation is taken out, and is separated from each other bolt 16 with screw hole 17, to make bolt 16 carry out sliding taking-up by the second through-hole 15, then
Safety head 13 is stirred downwards manually, and safety head 13 is made to carry out slide downward on shell 1 by mounting groove 14；
According to Fig. 1, Fig. 3 and Fig. 5, special-purpose cranking bar and the link slot 12 on turntable 11 are connected together manually, then to special
Rotation process is carried out with crank, special-purpose cranking bar is made to drive connecting shaft 8 to carry out on partition 10 by first through hole 9 by turntable 11
Rotation, thus make connecting shaft 8 drive worm screw 4 rotated, according to above-mentioned principle, then the headstock gear to gate carry out open with
The operation of closing, can complete the operating of the rack-and-pinion headstock gear in this way, and such a rack-and-pinion headstock gear facilitates people's
It uses.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of rack-and-pinion headstock gear, including shell (1), connecting shaft (8) and turntable (11), it is characterised in that: the shell (1)
Left end be equipped with direct current generator (2), and the right end of direct current generator (2) is equipped with shaft (3), and shaft (3) and shell (1)
It is connected with each other, shaft (3) right end is fixedly installed with worm screw (4), and worm screw (4) is located at the inside of shell (1), the worm screw
(4) it is connected with each other with worm gear (5), and worm gear (5) is mounted on the outer surface of support shaft (6), the support shaft (6) and shell (1)
It is connected with each other, and support shaft (6) is fixedly connected through shell (1) with gear (7), the connecting shaft (8) is fixedly mounted on worm screw
(4) right end, and connecting shaft (8) runs through first through hole (9), the first through hole (9) is arranged on partition (10), and partition
(10) it is mounted on the inner wall of shell (1), the right end in connecting shaft (8), and the right table of turntable (11) is arranged in the turntable (11)
Face offers link slot (12), and the right of the turntable (11) is provided with safety head (13), and safety head (13) and mounting groove
(14) it is connected with each other, and mounting groove (14) is arranged on shell (1), the top of the safety head (13) offers the second through-hole
(15), and the second through-hole (15) and bolt (16) are connected with each other, and the bolt (16) passes through the second through-hole (15) and screw hole (17)
It is connected with each other, and screw hole (17) is arranged on shell (1).
2. a kind of rack-and-pinion headstock gear according to claim 1, it is characterised in that: the number of the gear (7) is provided with
Two, and 2 gears (7) are symmetrical about the longitudinal centre line of support shaft (6), and gear (7) by support shaft (6) with
Shell (1) constitutes rotational structure.
3. a kind of rack-and-pinion headstock gear according to claim 1, it is characterised in that: the connecting shaft (8) is with worm screw (4)
Integral structure, and connecting shaft (8) constitutes rotational structure by first through hole (9) and partition (10).
4. a kind of rack-and-pinion headstock gear according to claim 1, it is characterised in that: the turntable (11) and connecting shaft (8)
To be welded to connect, and link slot (12) side view on turntable (11) is regular hexagon.
5. a kind of rack-and-pinion headstock gear according to claim 1, it is characterised in that: the safety head (13) passes through mounting groove
(14) slide construction is constituted with shell (1), and safety head (13) is inverted " t " character form structure.
6. a kind of rack-and-pinion headstock gear according to claim 1, it is characterised in that: second on the safety head (13) is logical
The diameter in hole (15) is greater than the diameter of screw hole (17), and the top of safety head (13) is fitted and connected with shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821463018.5U CN208857791U (en) | 2018-09-06 | 2018-09-06 | A kind of rack-and-pinion headstock gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821463018.5U CN208857791U (en) | 2018-09-06 | 2018-09-06 | A kind of rack-and-pinion headstock gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208857791U true CN208857791U (en) | 2019-05-14 |
Family
ID=66417182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821463018.5U Active CN208857791U (en) | 2018-09-06 | 2018-09-06 | A kind of rack-and-pinion headstock gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208857791U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549732A (en) * | 2020-06-01 | 2020-08-18 | 郭冰冰 | Sand-proof gravel river channel irrigation gate |
-
2018
- 2018-09-06 CN CN201821463018.5U patent/CN208857791U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111549732A (en) * | 2020-06-01 | 2020-08-18 | 郭冰冰 | Sand-proof gravel river channel irrigation gate |
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