CN208614526U - A kind of sluice valve grinder chain stretching device - Google Patents
A kind of sluice valve grinder chain stretching device Download PDFInfo
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- CN208614526U CN208614526U CN201821325626.XU CN201821325626U CN208614526U CN 208614526 U CN208614526 U CN 208614526U CN 201821325626 U CN201821325626 U CN 201821325626U CN 208614526 U CN208614526 U CN 208614526U
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- chain
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- latch segment
- counterbore
- drive
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Abstract
The utility model discloses a kind of sluice valve grinder chain stretching devices, including drive chain roller box and passive chain-wheel box, the first counterbore and the second counterbore communicated with inner cavity is offered respectively on the drive chain roller box and the opposite side wall of passive chain-wheel box, movable drive sprocket and first housing latch segment are connected with by shaft respectively in the inner cavity of drive chain roller box, are connected with respectively by shaft in the inner cavity of passive chain-wheel box movable by movable sprocket and second housing latch segment.This sluice valve grinder chain stretching device, left casing and right casing can slidably reciprocate on the first counterbore and the second counterbore, chain tension nut is unclamped, rotating link chain tensioning lead screw is allowed to withstand drive chain roller box, chain tension lead screw is locked, revolving lock-screw again pulls disk to lock left casing and right casing, the tensioning of the chain, locking work are completed, reverse operating can unclamp chain, this mechanism has easy to operate, tensioning is reliable, the advantages such as production cost is low.
Description
Technical field
The utility model relates to grinder technical field, specially a kind of sluice valve grinder chain stretching device.
Background technique
Valve arrangement periodically overhauls in the enterprises such as power plant, chemical industry, in maintenance process, if valve sealing face corrosion damage
Bad, replacement new valve will increase production cost, especially medium-and-large-sized valve.The mode of hand lapping maintenance is time-consuming and laborious, work
Low efficiency, most of maintenance of valve needs carry out grinding maintenance online, maintenance difficulty, therefore portable valve are further increased
Door grinder just comes into being.Sluice valve grinder in the market mostly uses chain transmission mode, and chain tension mode respectively has not
Together, structure is complicated for most strainers, cumbersome, high failure rate, high production cost.
Utility model content
The purpose of this utility model is to provide a kind of sluice valve grinder chain stretching devices, have easy to operate, tensioning
Reliably, the excellent advantages such as production cost is low, solve the problems of the prior art.
To achieve the above object, the utility model provides the following technical solutions: a kind of sluice valve grinder chain stretching device,
Including drive chain roller box and passive chain-wheel box, offered respectively on the drive chain roller box and the opposite side wall of passive chain-wheel box with
The first counterbore and the second counterbore that inner cavity communicates are connected with movable drive chain by shaft respectively in the inner cavity of drive chain roller box
Wheel and first housing latch segment are connected with by shaft in the inner cavity of passive chain-wheel box movable by movable sprocket and the second machine respectively
Body latch segment, inserted with movable body between first counterbore and the second counterbore, body is by left casing, right casing, tensioning
Seat and chain tension lead screw, the both ends of the left casing and right casing side with first housing latch segment and second housing latch segment respectively
Wall connects, and through there is chain in the hole location that left casing and right casing open up, left casing and the corresponding side wall of right casing divide
It is not fixed mutually with the two sidewalls of backstand, an end cap of the chain engages on drive sprocket, and another end cap of chain is in quilt
It is engaged on movable sprocket, the chain tension lead screw is engaged with backstand, the top of chain tension lead screw and the bottom of drive chain roller box
Portion connects, and the chain tension nut to connect with backstand, the first housing lock are also meshed on the outer wall of chain tension lead screw
Lock-screw has been also meshed on tight block and second housing latch segment.
Preferably, the shaft by movable sprocket and passive chain-wheel box passes through concentric key connecting.
Preferably, square groove compatible with backstand, the both ends card of backstand are offered on the left casing and right casing
In square groove.
Preferably, the rotary shaft of the shaft with external motor of the drive sprocket is mutually fixed.
Preferably, the first housing latch segment and second housing latch segment are engaged by two panels plectane and with plectane respectively
Screw rod composition, left casing and right casing clamped by two panels plectane respectively, lock-screw engaged with screw rod and with drive chain roller box and
The outer wall of passive chain-wheel box closely connects.
Compared with prior art, the beneficial effects of the utility model are as follows:
1, this sluice valve grinder chain stretching device drives the shaft of drive sprocket to carry out same after the rotary shaft rotation of motor
The both ends of left casing and right casing are separately fixed at drive sprocket by step rotation, first housing latch segment and second housing latch segment
On case and passive chain-wheel box, it is fixed.
2, this sluice valve grinder chain stretching device, left casing and right casing are clamped by two panels plectane respectively, plectane due to
The outside for clamping left casing and right casing adjusts the elasticity between left casing and right casing and two panels plectane, lock-screw pine
The spacing opened between rear two panels plectane and left casing and right casing becomes larger, and left casing and right casing can be in the first counterbores and second
It slidably reciprocates on counterbore, thus control left casing and right casing is exposed to length between drive chain roller box and passive chain-wheel box,
Chain tension nut is unclamped, rotating link chain tensioning lead screw is allowed to withstand drive chain roller box, then drive chain roller box sliding chain item revolves
Turn chain tension nut, chain tension lead screw is locked, then revolve lock-screw and disk is pulled to lock left casing and right casing, completes
The tensioning of the chain, locking work, reverse operating can unclamp chain, this mechanism has easy to operate, and tensioning is reliable, production cost
Low advantage.
Detailed description of the invention
Fig. 1 is the overall structure figure of the utility model；
Fig. 2 is the body locking block structure figure of the utility model；
Fig. 3 is the backstand structure chart of the utility model.
In figure: 1, drive chain roller box；11, the first counterbore；12, drive sprocket；13, first housing latch segment；2, passive chain
Roller box；21, the second counterbore；22, by movable sprocket；23, second housing latch segment；3, body；31, left casing；32, right casing；
33, backstand；34, chain tension lead screw；341, chain tension nut；4, chain；5, lock-screw.
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.
Referring to Fig. 1, a kind of sluice valve grinder chain stretching device, including drive chain roller box 1 and passive chain-wheel box 2, it is main
The first counterbore 11 and the second counterbore communicated with inner cavity is offered respectively on movable sprocket case 1 and the opposite side wall of passive chain-wheel box 2
21, the diameter of the first counterbore 11 and the second counterbore 21 is greater than the thickness of chain 4, passes through respectively in the inner cavity of drive chain roller box 1
Shaft is connected with movable drive sprocket 12 and first housing latch segment 13, the rotation of the shaft and external motor of drive sprocket 12
Axis is mutually fixed, and drives the shaft of drive sprocket 12 to synchronize rotation, the inner cavity of passive chain-wheel box 2 after the rotary shaft rotation of motor
It is middle be connected with respectively by shaft it is movable by movable sprocket 22 and second housing latch segment 23, by movable sprocket 22 and passive chain-wheel box
2 shaft also rotates in shaft by concentric key connecting, by movable sprocket 22, and the shaft of the two is matched with bearing positioning
It closes, inserted with movable body 3 between the first counterbore 11 and the second counterbore 21, body 3 can be inserted in the first counterbore 11 and second
In counterbore 21, body 3 is by left casing 31, right casing 32, backstand 33 and chain tension lead screw 34, left casing 31 and right casing 32
Both ends respectively with the side wall of first housing latch segment 13 and second housing latch segment 23 connect, first housing latch segment 13
The both ends of left casing 31 and right casing 32 are fixed respectively with second housing latch segment 23, left casing 31 and right casing 32 are opened
If hole location in through there is a chain 4, chain 4 can be movable in the hole location that left casing 31 and right casing 32 open up, chain 4
One end cap engages on drive sprocket 12, and drive sprocket 12 drives chain 4 and rotation, another end cap of chain 4 to exist after rotating
It being engaged on movable sprocket 22, is rotated under the action of chain 4 by movable sprocket 22, chain tension lead screw 34 is engaged with backstand 33,
The top of chain tension lead screw 34 and the bottom connection of drive chain roller box 1, chain tension lead screw 34 resist drive chain roller box 1, chain
The chain tension nut 341 to connect with backstand 33, first housing latch segment 13 are also meshed on the outer wall of item tensioning lead screw 34
With lock-screw 5 has been also meshed on second housing latch segment 23, first housing latch segment 13 and second housing latch segment 23 will be left
The both ends of casing 31 and right casing 32 are separately fixed on drive chain roller box 1 and passive chain-wheel box 2.
Referring to Fig. 2, first housing latch segment 13 and second housing latch segment 23 are nibbled by two panels plectane and with plectane respectively
The screw rod of conjunction forms, and left casing 31 and right casing 32 are clamped by two panels plectane respectively, lock-screw 5 engaged with screw rod and with active
The outer wall of chain-wheel box 1 and passive chain-wheel box 2 closely connects, outside of the plectane due to clamping left casing 31 and right casing 32, adjusts
Elasticity between left casing 31 and right casing 32 and two panels plectane, after lock-screw 5 unclamps two panels plectane and left casing 31 and
Spacing between right casing 32 becomes larger, and left casing 31 and right casing 32 can be slided back and forth on the first counterbore 11 and the second counterbore 21
It is dynamic, to control left casing 31 and right casing 32 is exposed to length between drive chain roller box 1 and passive chain-wheel box 2.
Referring to Fig. 3, left casing 31 and the corresponding side wall of right casing 32 are mutually fixed with the two sidewalls of backstand 33 respectively,
Square groove compatible with backstand 33 is offered on left casing 31 and right casing 32, the both ends of backstand 33 are stuck in square groove, pine
Open chain tensioning nut 341, rotating link chain tensioning lead screw 34 are allowed to withstand drive chain roller box 1, and drive chain roller box 1 slides chain 4,
Then rotary-chain tensioning nut 341 locks chain tension lead screw 34, then revolves lock-screw 5 and disk is pulled to lock left casing
31 and right casing 32, tensioning, the locking work of chain 4 are completed, reverse operating can unclamp chain, this mechanism has operation letter
Single, tensioning is reliable, the advantages such as production cost is low.
In summary: this sluice valve grinder chain stretching device drives drive sprocket 12 after the rotary shaft rotation of motor
Shaft synchronizes rotation, first housing latch segment 13 and second housing latch segment 23 for the both ends of left casing 31 and right casing 32
It is separately fixed on drive chain roller box 1 and passive chain-wheel box 2, left casing 31 and right casing 32 are clamped by two panels plectane respectively, circle
Outside of the plate due to clamping left casing 31 and right casing 32, adjusts the pine between left casing 31 and right casing 32 and two panels plectane
Tightness, the spacing after the release of lock-screw 5 between two panels plectane and left casing 31 and right casing 32 become larger, left casing 31 and right set
Pipe 32 can slidably reciprocate on the first counterbore 11 and the second counterbore 21, to control left casing 31 and right casing 32 is exposed to
Length between drive chain roller box 1 and passive chain-wheel box 2, unclamps chain tension nut 341, and rotating link chain tensioning lead screw 34 is allowed to
Drive chain roller box 1 is withstood, drive chain roller box 1 slides chain 4, then rotary-chain tensioning nut 341, by chain tension lead screw 34
Locking, then revolve lock-screw 5 and disk is pulled to lock left casing 31 and right casing 32, tensioning, the locking work of chain 4 are completed, instead
Chain can be unclamped to operation, this mechanism has easy to operate, and tensioning is reliable, the advantages such as production cost is low.
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 (5)
1. a kind of sluice valve grinder chain stretching device, including drive chain roller box (1) and passive chain-wheel box (2), it is characterised in that:
The first counterbore communicated with inner cavity is offered respectively on the drive chain roller box (1) and the opposite side wall of passive chain-wheel box (2)
(11) and the second counterbore (21) movable drive sprocket (12), are connected with by shaft respectively in the inner cavity of drive chain roller box (1)
With first housing latch segment (13), it is connected with respectively by shaft in the inner cavity of passive chain-wheel box (2) movable by movable sprocket
(22) and second housing latch segment (23), inserted with movable body between first counterbore (11) and the second counterbore (21)
(3), body (3) is by left casing (31), right casing (32), backstand (33) and chain tension lead screw (34), left casing (31) and
The both ends of right casing (32) are connected with the side wall of first housing latch segment (13) and second housing latch segment (23) respectively, left
Through having chain (4) in the hole location that casing (31) and right casing (32) open up, left casing (31) and right casing (32) are corresponding
Two sidewalls of the side wall respectively with backstand (33) are mutually fixed, and an end cap of the chain (4) engages on drive sprocket (12), chain
Another end cap of item (4) engages on by movable sprocket (22), and the chain tension lead screw (34) is engaged with backstand (33), chain
It is tensioned the top of lead screw (34) and the bottom connection of drive chain roller box (1), has been also meshed on the outer wall of chain tension lead screw (34)
The chain tension nut (341) to connect with backstand (33), the first housing latch segment (13) and second housing latch segment
(23) lock-screw (5) have been also meshed on.
2. a kind of sluice valve grinder chain stretching device according to claim 1, it is characterised in that: described by movable sprocket
(22) pass through concentric key connecting with the shaft of passive chain-wheel box (2).
3. a kind of sluice valve grinder chain stretching device according to claim 1, it is characterised in that: the left casing (31)
With offered on right casing (32) with backstand (33) compatible square groove, the both ends of backstand (33) are stuck in square groove.
4. a kind of sluice valve grinder chain stretching device according to claim 1, it is characterised in that: the drive sprocket
(12) rotary shaft of shaft and external motor is mutually fixed.
5. a kind of sluice valve grinder chain stretching device according to claim 1, it is characterised in that: the first housing lock
Tight block (13) and second housing latch segment (23) are made of two panels plectane and the screw rod engaged with plectane respectively, left casing (31) and
Right casing (32) is clamped by two panels plectane respectively, and lock-screw (5) engages with screw rod and with drive chain roller box (1) and by movable sprocket
The outer wall of case (2) closely connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325626.XU CN208614526U (en) | 2018-08-16 | 2018-08-16 | A kind of sluice valve grinder chain stretching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821325626.XU CN208614526U (en) | 2018-08-16 | 2018-08-16 | A kind of sluice valve grinder chain stretching device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208614526U true CN208614526U (en) | 2019-03-19 |
Family
ID=65715296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821325626.XU Active CN208614526U (en) | 2018-08-16 | 2018-08-16 | A kind of sluice valve grinder chain stretching device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208614526U (en) |
-
2018
- 2018-08-16 CN CN201821325626.XU patent/CN208614526U/en active Active
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