CN208966924U - Oil pumping unit brake hub clamp device - Google Patents
Oil pumping unit brake hub clamp device Download PDFInfo
- Publication number
- CN208966924U CN208966924U CN201821301851.XU CN201821301851U CN208966924U CN 208966924 U CN208966924 U CN 208966924U CN 201821301851 U CN201821301851 U CN 201821301851U CN 208966924 U CN208966924 U CN 208966924U
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- card
- screw rod
- pumping unit
- oil pumping
- brake hub
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Abstract
The utility model discloses a kind of oil pumping unit brake hub clamp devices, belong to field of petroleum exploitation.Described device includes: screw rod (100), the first interior card (200) and the second interior card (300), is provided with fixing piece (110) in the first end of screw rod (100)；Card (300) is set on screw rod (100) in card (200) and second in first, card (200) is located in second between card (300) and fixing piece (110) in first, the outer wall for the oil pumping unit brake hub that card (300) is used to be clamped in oil-pump braking device in card (200) and second in first, screw rod (100) are used for card (300) in second to the direction movement for blocking (200) in first.The oil pumping unit brake hub clamp device is simple and convenient to the fastener cycle of oil pumping unit brake hub, rapidly and efficiently, while time saving and energy saving, it is ensured that preferable fastening effect.
Description
Technical field
The utility model relates to field of petroleum exploitation more particularly to a kind of oil pumping unit brake hub clamp devices.
Background technique
In field of petroleum exploitation, oil-pump braking device is the important device for safeguards technique personnel safety operation.Ginseng
See that Fig. 1, oil-pump braking device are mainly made of oil pumping unit brake piece, oil pumping unit brake hub and oil pumping unit brake pull rod, takes out
Oil machine brake hubs are made of brake pulling pin, spring and two brake shoes.Oil pumping unit brake piece is arranged in two brake shoes
One end of side, two brake shoes is connected by pin, and the other end of two brake shoes is each provided with a through-hole.Brake pulling pin is worn
The two through-holes are crossed, the one end for pulling pin of braking is connect with oil pumping unit brake pull rod, and the other end and adjusting nut for pulling pin of braking connect
It connects, spring is set in brake pulling pin.Belt wheel for oil pumping machine is located in the space that two brake shoes surround.
After a protracted use, oil pumping unit brake piece is easy to appear loss to oil-pump braking device, influences braking effect,
Brake fade even can occur when serious, therefore, it is necessary to regularly replace oil pumping unit brake piece.In replacement oil pumping unit brake piece
When, first the adjusting nut connecting with brake pulling pin is disassembled, then the spring being set in brake pulling pin is removed, opens two
A brake shoe replaces oil pumping unit brake piece.Since the spring being set in brake pulling pin is in compressive state, so dismantling
When the adjusting nut connecting with brake pulling pin, be easy to appear causes two brake shoes to beat suddenly because spring flicks suddenly
It opens, jeopardizes personal safety.
Currently, can be solved the above problems by two methods.The first be it is artificial by two brake shoes towards close
Mutual direction promotes, and to fasten two brake shoes, avoids the occurrence of the phenomenon that spring flicks suddenly.Second method is with thick
Iron wire enwinds two brake shoes, to fasten two brake shoes, avoids the occurrence of the phenomenon that spring flicks suddenly.
However, artificial two brake shoes of fastening are easy to appear exerts oneself not because of technical staff's fatigue in first method
Uniform phenomenon, it is time-consuming and laborious.In second method, two brake shoes are fastened with thick iron wire and are easy to appear because thick iron wire winds ground
It is insecure and the phenomenon that get loose, fastening effect is poor.Therefore, a kind of oil pumping unit brake hub clamp device is needed, time saving
Fastening effect is improved while laborsaving.
Utility model content
The utility model provides a kind of oil pumping unit brake hub clamp device, can solve and fastens pumping unit in the related technology
The problem of brake hubs difficulty.The technical solution is as follows:
On the one hand, a kind of oil pumping unit brake hub clamp device is provided, described device includes: screw rod, card and the in first
Block in two, is provided with fixing piece in the first end of the screw rod；
Card is set on the screw rod in card and described second in described first, and described second is positioned in described first
Between interior card and the fixing piece, the internal diameter blocked in described first is less than the diameter of the fixing piece, sets on card in described second
It is equipped with internal screw thread；
Oil pumping unit brake hub of the card for being clamped in oil-pump braking device in card and described second in described first
On outer wall, the screw rod is used to block in described second mobile to the direction blocked in described first, is stuck in described first
It will not be moved because of the screw rod when in the outer wall of the screw rod close to the position of the fixing piece.
Optionally, card includes the first buckle and the first sliding block in described first, in described second card include the second buckle and
Second sliding block；
First buckle is connect with first sliding block, and described second buckles and connect with second sliding block, and described the
One sliding block and second sliding block are set on the screw rod, and the internal diameter of first sliding block is less than the straight of the fixing piece
Diameter, first buckle buckle the outer wall for being clamped in the oil pumping unit brake hub with described second.
Optionally, the difference between the described first interior internal diameter blocked and the diameter of the screw rod is greater than default value；With/
Or,
The inner wall smooth blocked in described first；And/or
Position in the outer wall of the screw rod close to the fixing piece is smooth.
Optionally, described device further includes handle；
The handle is connect with the second end of the screw rod.
Optionally, described device further includes the first adjusting nut；
First adjusting nut is set on the screw rod, and first adjusting nut be located at described first in card with
In described second between card.
Optionally, described device further includes the second adjusting nut；
Second adjusting nut is set on the screw rod, and second adjusting nut be located at described second in card with
Between the second end of the screw rod.
Optionally, the described first interior shape blocked is L shape, and the shape blocked in described second is L shape.
Optionally, the clamping part blocked in the described first interior clamping part blocked and described second is arranged with Anti-slip cover.
Technical solution provided by the utility model can at least bring it is following the utility model has the advantages that
In the utility model embodiment, oil pumping unit brake hub clamp device includes screw rod, the first interior card and the second interior card.
Fixing piece is provided in the first end of screw rod；Card is set on screw rod in card and second in first, and second is positioned in first
Between interior card and fixing piece, the internal diameter blocked in first is less than the diameter of fixing piece, is provided with internal screw thread on card in second；In first
The outer wall of oil pumping unit brake hub of the card for being clamped in oil-pump braking device in card and second, screw rod is used for will be in second
Block it is mobile to the direction blocked in first, will not be because when being stuck in first in the outer wall of screw rod close to the position of fixing piece
Screw rod and move.When being fastened using the oil pumping unit brake hub clamp device to oil pumping unit brake hub, can will cover
It is located at the first side blocked first on screw rod Nei to be close to fixing piece, by the one of second side and oil pumping unit brake hub for blocking in first
The outer wall of a brake shoe is close to, and screw rod is then rotated.Internal screw thread is provided on card due to being set in second on screw rod, and the
It will not be moved because of screw rod when being stuck in one in the outer wall of screw rod close to the position of fixing piece, so after screw rod rotation
The direction movement blocked in second to blocking in first will only be will drive, card is moved to its first side and is tightly attached to pumping unit in second
After on the outer wall of another brake shoe of brake hubs, card has been held in the outer wall of oil pumping unit brake hub in card and second in first
On, complete the fastening to oil pumping unit brake hub.The oil pumping unit brake hub clamp device is fast to the fastener cycle of oil pumping unit brake hub
It is fast efficient, while time saving and energy saving, it is ensured that preferable fastening effect.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the oil-pump braking device provided in background technique；
Fig. 2 is the structural schematic diagram of the first oil pumping unit brake hub clamp device provided by the embodiment of the utility model；
Fig. 3 is a kind of clamping schematic diagram of oil pumping unit brake hub clamp device provided by the embodiment of the utility model；
Fig. 4 is the clamping schematic diagram of another oil pumping unit brake hub clamp device provided by the embodiment of the utility model；
Fig. 5 is the structural schematic diagram of second of oil pumping unit brake hub clamp device provided by the embodiment of the utility model；
Fig. 6 is the structural schematic diagram of the third oil pumping unit brake hub clamp device provided by the embodiment of the utility model；
Fig. 7 is the structural schematic diagram of the 4th kind of oil pumping unit brake hub clamp device provided by the embodiment of the utility model；
Fig. 8 is the structural schematic diagram of the 5th kind of oil pumping unit brake hub clamp device provided by the embodiment of the utility model.
Appended drawing reference:
100: screw rod, 110: fixing piece, 200: the first interior cards, buckle at 210: the first, 220: the first sliding blocks, in 300: the second
Card, 310: the second buckles, 320: the second sliding blocks, 400: handle, 500: the first adjusting nuts, 600: the second adjusting nuts.
Specific embodiment
It is practical new to this below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
Fig. 2 is a kind of structural schematic diagram of oil pumping unit brake hub clamp device provided by the embodiment of the utility model, referring to
Fig. 2, the oil pumping unit brake hub clamp device include: to block 300, the first of screw rod 100 in screw rod 100, first in card 200 and second
Fixing piece 110 is provided on end；Card 300 is set on screw rod 100 in card 200 and second in first, and card 200 is located in first
In second between card 300 and fixing piece 110, the internal diameter of card 200 is less than the diameter of fixing piece 110 in first, in second on card 300
It is provided with internal screw thread；Oil pumping unit brake hub of the card 300 for being clamped in oil-pump braking device in card 200 and second in first
Outer wall on, screw rod 100 is used for card 300 in second is mobile to the direction of the card 200 in first, and card 200 is in place in first
It will not be moved because of screw rod 100 when in the outer wall of screw rod 100 close to the position of fixing piece 110.
It should be noted that screw rod 100 has external screw thread, the internal screw thread phase of card 300 in the external screw thread of screw rod 100 and second
Matching, thus card 300 in second will be will drive after the rotation of screw rod 100 and moved on screw rod 100.The first end of screw rod 100
It is provided with fixing piece 110, fixing piece 110 is that have larger-diameter component, can be weldering between fixing piece 110 and screw rod 100
Connect or fixing piece 110 and screw rod 100 between can be it is integrally formed.
In addition, card 300 is used for the oil pumping unit brake hub being clamped in oil-pump braking device in card 200 and second in first
Outer wall on, can specifically be clamped on the outer wall of two brake shoes of oil pumping unit brake hub, as shown in figure 3, first in card 200
With second in card 300 can be clamped in two brake shoes outer wall intermediate position, alternatively, as shown in figure 4, first in block 200
With second in card 300 can be clamped in the outer wall of two brake shoes close to brake pulling pin positions.Card 200 and second in first
Shape, the material etc. of interior card 300 can be preset according to demand, and the present embodiment is not specifically limited in this embodiment.For example, the
The shape for blocking card 300 in 200 shape and second in one all can be L shape, the material of the first interior card 200 and the second interior card 300
Material may each be stainless steel, alloy etc..
Furthermore since card 200 is located in second between card 300 and fixing piece 110 in first, and in first card 200 it is interior
Diameter is less than the diameter of fixing piece 110, so in using first in card 200 and second when 300 clamping oil pumping unit brake hub of card, Gu
Card 200 in first can be limited by determining part 110, so that card 200 will not be slipped from the first end of screw rod 100 in first.
In addition, card 200 will not be because of screw rod when the position of close fixing piece 110 in the outer wall for being located at screw rod 100 in first
100 and movement occurs and refers to, when card 200 is located in the outer wall of screw rod 100 close to the position of fixing piece 110 in first, screw rod
100 rotation will not drive card 200 in first to be moved.
Specifically, it when being fastened using the oil pumping unit brake hub clamp device to oil pumping unit brake hub, can will cover
The first side of card 200 is close to fixing piece 110 in first be located on screw rod 100, and 200 second side and oil pumping will be blocked in first
The outer wall of one brake shoe of machine brake hubs is close to, and screw rod 100 is then rotated.Due to be set on screw rod 100 second in block
Internal screw thread is provided on 300, and card 200 will not when the position of close fixing piece 110 in the outer wall for being located at screw rod 100 in first
It is moved because of screw rod 100, so screw rod 100, which will be only will drive after rotating in second, blocks 300 to the card 200 in first
Direction is mobile, after card 300 is moved on the outer wall for another brake shoe that its first side is tightly attached to oil pumping unit brake hub in second,
Card 300 is held on the outer wall of oil pumping unit brake hub in card 200 and second in first, is completed to the tight of oil pumping unit brake hub
Gu.
It is worth noting that in the utility model embodiment, using the oil pumping unit brake hub clamp device to pumping unit
When brake hubs are fastened, card 200 in first need to be only stuck on the outer wall of a brake shoe of oil pumping unit brake hub, then be turned
Dynamic screw rod 100 is mobile to the direction blocked in first to drive card 300 in second, until card 300 in second is stuck in oil pumping
On the outer wall of another brake shoe of machine brake hubs, the fastening to oil pumping unit brake hub can be completed, the fastener cycle is simply square
Just, rapidly and efficiently, while time saving and energy saving, it is ensured that preferable fastening effect.
Wherein, in order to enable first in card 200 be located at screw rod 100 outer wall in close to fixing piece 110 position when not
It can be moved because of screw rod 100, the difference in first between the internal diameter of card 200 and the diameter of screw rod 100 can be greater than default
Numerical value；And/or first in card 200 inner wall can be it is smooth；And/or close to fixing piece 110 in the outer wall of screw rod 100
Position can be smooth.Block in the outer wall that 200 are located at screw rod 100 in first in this way, may make close to fixing piece 110
When position, when rotating screw rod 100, card 200 will not be moved therewith in first.
It should be noted that default value can be configured in advance, and default value can be set it is larger, it is such as default
Numerical value can be 1cm (centimetre), 2cm etc..
Further, in order to during fastening oil pumping unit brake hub, increase between screw rod 100 and oil pumping unit brake hub
Distance, facilitate the rotation of screw rod 100.Referring to Fig. 5, card 200 may include the first buckle 210 and the first sliding block 220 in first,
Card 300 may include the second buckle 310 and the second sliding block 320 in second；First buckle 210 is connect with the first sliding block 220, and second
Buckle 310 is connect with the second sliding block 320, and the first sliding block 220 and the second sliding block 320 are set on screw rod 100, the first sliding block
220 internal diameter is less than the diameter of fixing piece 110；First buckle 210 and the second buckle 310 are for being clamped in oil pumping unit brake hub
On outer wall.
It should be noted that the first buckle 210 and the second buckle 310 are for being clamped in the two of oil pumping unit brake hub brakes
Component on the outer wall of vehicle hoof, the first sliding block 220 and the second sliding block 320 be for being set on screw rod 100, and can be in screw rod
Mobile component is carried out on 100.First sliding block 220 will not when the position of close fixing piece 110 in the outer wall for being located at screw rod 100
It is moved because of screw rod 100, is provided with internal screw thread on the second sliding block 320.
It is either integrally formed in addition, the connection between the first buckle 210 and the first sliding block 220 can be welding, second
Connection between buckle 310 and the second sliding block 320 can be welding and either be integrally formed.First the 210, first sliding block of buckle
220, shape, the size etc. of second the 310, second sliding block 320 of buckle can be preset according to demand, the present embodiment pair
This is not specifically limited.For example, first buckle 210 shape and second buckle 310 shape all can be L shape, the first sliding block
220 shape and the shape of the second sliding block 320 all can be cuboids.
Furthermore the width of the first buckle 210 can be less than the width of the first sliding block 220, and the width of the second buckle 310 can be with
Less than the width of the second sliding block 320, the height of the height of the first buckle 210 and the second buckle 310 can be greater than pumping unit and stop
The thickness of the brake shoe of nave boss.In this case, oil pumping unit brake hub is being carried out using the oil pumping unit brake hub clamp device
When fastening, the first buckle 210 and the second buckle 310 can be clamped on the outer wall of two brake shoes of oil pumping unit brake hub,
Be arranged at this time the screw rod 100 of the first sliding block 220 and the second sliding block 320 will have between the two brake shoes it is certain away from
From, consequently facilitating screw rod 100 is rotated, it is time saving and energy saving.
It specifically, can be by when being fastened using the oil pumping unit brake hub clamp device to oil pumping unit brake hub
First side of one sliding block 220 is close to fixing piece 110, by a brake of second side of the first buckle 210 and oil pumping unit brake hub
The outer wall of vehicle hoof is close to, and screw rod 100 is then rotated, and screw rod 100 will only will drive the second sliding block 320 and slide to close to first after rotating
The direction of block 220 is mobile, that is, drives the second buckle 310 mobile to the direction for buckling 210 close to first, and the second buckle 310 is mobile
After on the outer wall for another brake shoe for being tightly attached to oil pumping unit brake hub to its first side, the first buckle 210 and the second buckle 310
It has been held on the outer wall of oil pumping unit brake hub, has completed the fastening to oil pumping unit brake hub.
Wherein, in order to enable the first sliding block 220 be located at screw rod 100 outer wall in close to fixing piece 110 position when not
It can be moved because of screw rod 100, the difference between the internal diameter of the first sliding block 220 and the diameter of screw rod 100 can be greater than default
Numerical value；And/or first sliding block 220 inner wall can be it is smooth；And/or close to fixing piece 110 in the outer wall of screw rod 100
Position can be smooth.In this way, may make in the outer wall that the first sliding block 220 is located at screw rod 100 close to fixing piece 110
When position, when rotating screw rod 100, the first sliding block 220 will not be moved therewith.
Further, it in order to enable during fastening oil pumping unit brake hub, rotates more time saving when screw rod 100
Laborsaving, referring to Fig. 6, which can also include handle 400.The second end of handle 400 and screw rod 100
Connection.
It should be noted that handle 400 is the component for more easily being rotated to screw rod 100, handle 400 and spiral shell
Connection between bar 100 can be welding or handle 400 and screw rod 100 can be it is integrally formed.The type of handle 400,
Material etc. can be preset according to demand, and the utility model embodiment is not specifically limited in this embodiment.For example, the kind of handle 400
Class can be rocker handle, folding handle etc..
It is worth noting that staff is to screw rod during rotating screw rod 100 to fasten oil pumping unit brake hub
100 when being rotated, and only need to hold handle 400 and rotational handle 400 can realize rotation to screw rod 100, easy to operate,
It is time saving and energy saving.
Further, in order to during fastening oil pumping unit brake hub, more rapidly and efficiently by card 200 in first
Position is fixed, and referring to Fig. 7, which can also include the first adjusting nut 500.First is adjusted
Nut 500 is set on screw rod 100, and the first adjusting nut 500 is located in first in card 200 and second between card 300.
It should be noted that the first adjusting nut 500 is the structure of the internal screw thread to match with the external screw thread with screw rod 100
Part, the first adjusting nut 500 are located in first in card 200 and second between card 300, can be used to limit card 200 in first and exist
Moving range on screw rod 100.
First adjusting nut 500, Ke Yizhun is set between card 300 it is worth noting that blocking in 200 and second in first
Really effectively the moving range of card 200 in first is fixed in the outer wall of screw rod 100 on the position of fixing piece 110, this
Sample, can be more quickly and easily by the first side of card 200 and fixing piece in first when fastening to oil pumping unit brake hub
110 are close to, and can be quickly and easily tight by second side of card 200 in first and the outer wall of the brake shoe of oil pumping unit brake hub
Patch.
Further, in order to during fastening oil pumping unit brake hub, more rapidly and efficiently by card 300 in second
Position is fixed, and referring to Fig. 8, which can also include the second adjusting nut 600.Second is adjusted
Nut 600 is set on screw rod 100, and the second adjusting nut 600 is located in second between card 300 and the second end of screw rod 100.
It should be noted that the second adjusting nut 600 is the structure of the internal screw thread to match with the external screw thread with screw rod 100
Part, the second adjusting nut 600 are located in second between card 300 and the second end 120 of screw rod 100, can be used to limit in second
Moving range of the card 300 on screw rod 100.
It is worth noting that oil pumping is close in the first side for blocking 300 in second during fastening oil pumping unit brake hub
When the outer wall of one brake shoe of machine brake hubs, it is set in the second end for being located at card 300 and screw rod 100 in second on screw rod 100
Between the second adjusting nut 600 can be moved to the direction of the card 300 in second, until being tightly attached to card in second
In 300 second side, so that the position of card 300 is less likely to occur to change in second, further increase to pumping unit
The fastening effect of brake hubs.
Further, in order to prevent first during fastening oil pumping unit brake hub in card 200 and second in block 300 exist
It skids on the outer wall of oil pumping unit brake hub, the clamping part of card 300 can be arranged in the clamping part of card 200 and second in first
Anti-slip cover.
It should be noted that the frictional force of Anti-slip cover is larger, material, the shape of Anti-slip cover can be carried out according to use demand
It presets, the present embodiment is not specifically limited in this embodiment, for example, the material of Anti-slip cover can be rubber, silica gel etc..
In addition, the clamping part of card 200 is the portion being tightly attached in card 200 on the outer wall of oil pumping unit brake hub in first in first
Position, the clamping part of the second interior card 300 are the positions being tightly attached in card 300 on the outer wall of oil pumping unit brake hub in second.
It is worth noting that after the clamping part of card 300 is arranged Anti-slip cover in the clamping part and second of card 200 in first,
Frictional force in first in the clamping part of card 200 and second between the clamping part of card 300 and the outer wall of oil pumping unit brake hub is larger,
So as to be effectively prevented the clamping part of card 300 in the clamping part and second of card 200 in first from the outer wall of oil pumping unit brake hub
Upper slippage, so that the fastener cycle of oil pumping unit brake hub is more efficient.
In the utility model embodiment, oil pumping unit brake hub clamp device includes card 200 and the in screw rod 100, first
Card 300 in two.Fixing piece 110 is provided in the first end 110 of screw rod 100；Card 300 is arranged in card 200 and second in first
On screw rod 100, card 200 is located in second between card 300 and fixing piece 110 in first, and the internal diameter of card 200 is less than solid in first
Determine the diameter of part 110, is provided with internal screw thread on card 300 in second；Card 300 is used to be clamped in pumping in card 200 and second in first
On the outer wall of oil pumping unit brake hub in oil machine brake gear, screw rod 100 is used to block card 300 in second in first
200 direction is mobile, and card 200 will not be because of screw rod when the position of close fixing piece 110 in the outer wall for being located at screw rod 100 in first
100 and move.When being fastened using the oil pumping unit brake hub clamp device to oil pumping unit brake hub, can will be arranged
On screw rod 100 first in the first side of card 200 be close to fixing piece 110,200 second side and pumping unit will be blocked in first
The outer wall of one brake shoe of brake hubs is close to, and screw rod 100 is then rotated.Due to be set on screw rod 120 second in block 300
On be provided with internal screw thread, and in first card 200 in the outer wall for being located at screw rod 100 close to the position of fixing piece 110 when will not be because
Screw rod 100 and move, so screw rod 100 will only will drive in second card 300 to the side of the card 200 in first after rotating
To movement, after card 300 is moved on the outer wall for another brake shoe that its first side is tightly attached to oil pumping unit brake hub in second, the
Card 300 has been held on the outer wall of oil pumping unit brake hub in card 200 and second in one, is completed to the tight of oil pumping unit brake hub
Gu.The oil pumping unit brake hub clamp device to the fastener cycle of oil pumping unit brake hub rapidly and efficiently, can while time saving and energy saving
To guarantee preferable fastening effect.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, all practical at this
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the guarantor of the utility model
Within the scope of shield.
Claims (8)
1. a kind of oil pumping unit brake hub clamp device, which is characterized in that described device includes: screw rod, in first in card and second
Block, is provided with fixing piece in the first end of the screw rod；
Card is set on the screw rod in card and described second in described first, and card in described second is positioned in described first
Between the fixing piece, the internal diameter blocked in described first is less than the diameter of the fixing piece, is provided on card in described second
Internal screw thread；
Block the outer wall of the oil pumping unit brake hub for being clamped in oil-pump braking device in described first in card and described second
On, the screw rod is used to block in described second mobile to the direction blocked in described first, is stuck in and is located in described first
It will not be moved because of the screw rod when in the outer wall of the screw rod close to the position of the fixing piece.
2. device as described in claim 1, which is characterized in that card includes the first buckle and the first sliding block, institute in described first
Stating card in second includes the second buckle and the second sliding block；
First buckle is connect with first sliding block, and second buckle is connect with second sliding block, and described first is sliding
Block and second sliding block are set on the screw rod, and the internal diameter of first sliding block is less than the diameter of the fixing piece, institute
It states the first buckle and described second and buckles outer wall for being clamped in the oil pumping unit brake hub.
3. device as described in claim 1, which is characterized in that between the diameter of the internal diameter and the screw rod that block in described first
Difference be greater than default value；And/or
The inner wall smooth blocked in described first；And/or
Position in the outer wall of the screw rod close to the fixing piece is smooth.
4. device a method according to any one of claims 1-3, which is characterized in that described device further includes handle；
The handle is connect with the second end of the screw rod.
5. device a method according to any one of claims 1-3, which is characterized in that described device further includes the first adjusting nut；
First adjusting nut is set on the screw rod, and first adjusting nut be located at described first in card with it is described
In second between card.
6. device a method according to any one of claims 1-3, which is characterized in that described device further includes the second adjusting nut；
Second adjusting nut is set on the screw rod, and second adjusting nut be located at described second in card with it is described
Between the second end of screw rod.
7. device a method according to any one of claims 1-3, which is characterized in that the shape blocked in described first is L shape, described second
The shape of interior card is L shape.
8. device a method according to any one of claims 1-3, which is characterized in that in the clamping part and described second blocked in described first
The clamping part of card is arranged with Anti-slip cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301851.XU CN208966924U (en) | 2018-08-13 | 2018-08-13 | Oil pumping unit brake hub clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821301851.XU CN208966924U (en) | 2018-08-13 | 2018-08-13 | Oil pumping unit brake hub clamp device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208966924U true CN208966924U (en) | 2019-06-11 |
Family
ID=66753936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821301851.XU Active CN208966924U (en) | 2018-08-13 | 2018-08-13 | Oil pumping unit brake hub clamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208966924U (en) |
-
2018
- 2018-08-13 CN CN201821301851.XU patent/CN208966924U/en active Active
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