CN105019641A - Socket type key groove adjustable jacking - Google Patents
Socket type key groove adjustable jacking Download PDFInfo
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- CN105019641A CN105019641A CN201410161470.6A CN201410161470A CN105019641A CN 105019641 A CN105019641 A CN 105019641A CN 201410161470 A CN201410161470 A CN 201410161470A CN 105019641 A CN105019641 A CN 105019641A
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- vertical rod
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Abstract
The invention provides a socket type key groove adjustable jacking comprising a screw rod vertically disposed in a vertical rod and a jacking rack. The jacking rack is formed by a bearer and a flat arranged on the top of the bearer; two sides of the flat are respectively provided with a vertical jacking side edge; a center adaptive to the external diameter of the screw rod formed in an axial center of the bearer; an internal thread adaptive to the external thread of the screw rod is disposed in the center hole; the bearer circumferentially comprises a first flat side wall and a second flat side wall both perpendicular to the flat; and the centers of the first and second side walls are relatively provided with a first tapered raised head and a second tapered raised head. With the cross rod connected to the side surface of the jacking, the jacking can be conveniently detached and possesses stable performance; directions and positions of the jacking on the vertical rod can be flexibly adjusted; vertical rods can be added to the upper and lower parts of the jacking; the socket type key groove adjustable jacking possesses enough strength, rigidity and stability; smooth and safe construction can be guaranteed; the socket type key groove adjustable jacking is simply structured, can be conveniently detached and can be reused for many times; and amortization cost can be reduced.
Description
Technical field
The present invention relates to steel pipe scaffold field, particularly relate to a kind of socket joint type key slot type adjustable jack.
Background technology
Scaffold is indispensable facility in construction work, and it all has material impact for workmanship, speed of application, construction costs and safe construction.Belong to high-altitude load-bearing operation at the enterprising line operate of scaffold, must ensure that scaffold has enough intensity, rigidity and stability, such guarantee is constructed smoothly and safety.Meanwhile, scaffold is the important component part forming construction costs, should make every effort to simple structure, installs and removes conveniently, repeatedly can have enough to meet the need use, reduce amortization charge as far as possible and use.Adjustable jack is as one of requisite auxiliary part of scaffold, and the performances such as its intensity, rigidity and stability directly affect using of whole scaffold and load and unload.
In prior art, adjustable jack roughly has two kinds of patterns: be one, the patent document of 201320400722.7 see the patent No., a kind of jacking of its invention comprises jacking plate for supporting traverse and vertical rod, described jacking plate offers the first cell body, the center below described first cell body is fixed in described vertical rod, first cell body two side offers the second cell body respectively, and the second cell body is located at the centre of two side axis direction respectively.This jacking can make jacking support double joint crossbeam or single crossbeam time, all can ensure crossbeam do not produce slippage with ensure jacking plate and vertical rod with one heart stressed.But the shortcoming of this jacking is: cannot connect cross bar in jacking side, handling inconvenience, can not the direction of flexible modulation jacking in vertical rod and position, can not install vertical rod additional in the top and the bottom of jacking.Two, be the patent document of 201220673323.3 see the patent No., a kind of interlinkage jacking structure of its invention comprises the screw rod be located in vertical rod, the shaft of screw tip is welded with the connector female that surrounding offers connecting groove, in the connecting groove of connector female, be snapped with connector male, connector male is provided with cross bar.The advantage of this jacking installs and removes convenient rapidly, simultaneously can strengthen stability and supporting capacity, speed up the work, save engineering material, reduce construction cost.But the shortcoming of this jacking is: cross bar cannot be connected in jacking side, can not the direction of flexible modulation jacking in vertical rod and position, vertical rod can not be installed additional in the top and the bottom of jacking.
Summary of the invention
For the defect of prior art, the present invention aims to provide a kind of socket joint type key slot type adjustable jack, can connect cross bar in jacking side, easy to loading and unloading, stable performance, can direction in vertical rod of flexible modulation jacking and position, also can install vertical rod additional in the top and the bottom of jacking.
In order to realize above-mentioned technical purpose, the present invention adopts following technological means: a kind of socket joint type key slot type adjustable jack, comprise and be built in screw rod in vertical rod and jacking support, described jacking support comprises bracket and is arranged on the flat board at bracket top, and the both sides of described flat board are provided with the jacking lateral margin of vertical type; It is characterized in that: the axial centre of described bracket runs through and is provided with the centre bore suitable with outer screw diameter, is provided with the internal thread suitable with external thread of screw in described centre bore; Described bracket circumference also comprises smooth the first side wall and the second sidewall, described the first side wall and the second sidewall and flat board perpendicular, the center of described the first side wall is provided with the first cone-shaped nib, and the center on described second sidewall is provided with the second cone-shaped nib relatively.
Preferably, described bracket is hollow circular cylinder, and described centre bore height is the 1/3-2/3 of bracket height, and described centre bore aperture is the 1/3-2/3 of bracket internal diameter.
Preferably, the axis of described bracket runs through to be provided with and can straighten the first step that footpath is 48mm vertical rod, and described first step is between centre bore top and bracket top, and it is with centre bore top the end of for, and diameter is 48-51mm, is highly 4-6mm.
Preferably, the axis of described bracket runs through to be provided with and can straighten the second step that footpath is 48mm vertical rod, described second step bottom centre bore and bottom bracket between, its with bottom centre bore the end of for, diameter is 48-51mm, is highly 4-6mm.
Preferably, the axis of described bracket runs through to be provided with and can straighten the 3rd step that footpath is 60mm vertical rod, described 3rd step bottom bracket and bottom second step between, its with bottom second step the end of for, diameter is 60-63mm, is highly 5-7mm.
Preferably, the shape of described first cone-shaped nib and the second cone-shaped nib is up-narrow and down-wide, inner narrow outer wide.
Preferably, the through hole of hollow is oppositely arranged between described bracket and jacking lateral margin.
Preferably, the top of described jacking lateral margin is circular arc.
Beneficial effect of the present invention: a kind of socket joint type key slot type adjustable jack provided by the invention, can connect cross bar in jacking side, easy to loading and unloading, stable performance, can direction in vertical rod of flexible modulation jacking and position, also can install vertical rod additional in the top and the bottom of jacking.The present invention has enough intensity, rigidity and stability, ensures to construct smoothly and safety.Simple structure of the present invention, mounting or dismounting facilitate, repeatedly can have enough to meet the need use, reduce amortization charge and use.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is another structural representation of the present invention;
Fig. 3 is upward view of the present invention;
Fig. 4 is top view of the present invention;
Fig. 5 is sectional view of the present invention;
Fig. 6 is assembling schematic diagram of the present invention.
1, screw rod; 2, jacking support; 3, bracket; 4, dull and stereotyped; 5, jacking lateral margin; 6, centre bore; 7, the first side wall; 8, the second sidewall; 9, the first cone-shaped nib; 10, the second cone-shaped nib; 11, first step; 12, second step; 13, the 3rd step; 14, through hole.
Detailed description of the invention
Below in conjunction with accompanying drawing, the invention will be further described.
Embodiment one
With reference to shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 6, a kind of socket joint type key slot type adjustable jack provided by the invention, comprises and is built in screw rod 1 in vertical rod and jacking support 2.Jacking support 2 comprises bracket 3 and is arranged on the flat board 4 at bracket 3 top, is provided with the jacking lateral margin 5 of vertical type in the described both sides of dull and stereotyped 4.Flat board 4 and jacking lateral margin 5 can make jacking when placing double joint cross bar, and it is concentric with vertical rod to realize jacking that guarantee cross bar does not produce slippage.Run through in the axial centre of bracket 3 and be provided with the centre bore 6 suitable with screw rod 1 external diameter, in centre bore 6, be provided with the internal thread suitable with screw rod 1 external screw thread.Mostly use welding in prior art, this mode makes the direction of jacking in vertical rod and position once determining, then can not change, can not adjust at any time in work progress according to construction demand.The present invention adopts the mode be threaded, can according to Specific construction needs, by screwing all number changes of screw thread, adjusts the position of jacking in vertical rod and relative direction at any time.As adjusted the high and low position of jacking in vertical rod, or change the relative direction of jacking in vertical rod.Bracket 3 circumference also comprises the first side wall 7 perpendicular and smooth with flat board 4 and the second sidewall 8, is oppositely arranged the first cone-shaped nib 9 and the second cone-shaped nib 10 in the center of described the first side wall 7 and the second sidewall 8.Preferably, the shape of described first cone-shaped nib 9 and the second cone-shaped nib 10 is up-narrow and down-wide, inner narrow outer wide.The design of the first cone-shaped nib 9 and the second cone-shaped nib 10 can make jacking when supporting single rail, ensures that cross bar does not produce slippage, strengthens the stability of scaffold.During use, assembled in the first cone-shaped nib 9 or the second cone-shaped nib 10 buckling into bracket 3 by the cross bar with suitable conical socket, conical socket and cone-shaped nib engage each other formation auxiliary connection.When not needing to use, conical socket is taken out from cone-shaped nib, does not need to use any screw or welding equipment, load and unload very convenient.
Shown in seeing figures.1.and.2, bracket 3 is hollow circular cylinders, and centre bore 6 is highly 1/3 of bracket 3 height, and centre bore 6 aperture is 1/3 of bracket 3 internal diameter.This design at guarantee jacking while having enough intensity, rigidity and stability, can reduce the overall weight of jacking, saves production cost, efficient energy-saving.
With reference to shown in Fig. 1, Fig. 2 and Fig. 4, the axis of bracket 3 runs through to be provided with and can straighten the first step 11 that footpath is 48mm vertical rod, and first step 11 is between centre bore 6 top and bracket 3 top, and it is with centre bore 6 top the end of for, and diameter is 48mm, is highly 4mm.Jacking of the prior art all can not install vertical rod additional on jacking top, but in work progress, often run into the situation needing to install vertical rod additional on jacking top, and therefore, the present invention increases by one on jacking top can straighten the first step 11 that footpath is 48mm vertical rod.During use, diameter is that 48mm vertical rod is inserted on centre bore 6 top, first step 11 diameter is that 48mm can ensure that vertical rod can be inserted and can not produce displacement, and for 4mm, first step 11 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, in like manner, the axis of bracket 3 runs through to be provided with and can straighten the second step 12 that footpath is 48mm vertical rod, second step 12 bottom centre bore 6 and bottom bracket 3 between, its with bottom centre bore 6 end of for, diameter is 48mm, is highly 4mm.Jacking of the prior art all can not install vertical rod additional in jacking bottom, but in work progress, usually run into the situation needing to install vertical rod additional in jacking bottom, and therefore, the present invention increases by one in jacking bottom can straighten the second step 12 that footpath is 48mm vertical rod.During use, diameter is that 48mm vertical rod is inserted in second step 12, second step 12 diameter is that 48mm can ensure that vertical rod can be inserted and can not produce displacement, and for 4mm, second step 12 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, in like manner, the vertical rod that diameter is 60mm is installed additional in order to enable jacking bottom, the axis of bracket 3 runs through to be provided with and can straighten the 3rd step 13 that footpath is 60mm vertical rod, 3rd step 13 bottom bracket 3 and bottom second step 12 between, its with bottom second step 12 end of for, diameter is 60mm, is highly 5mm.During use, diameter is that 60mm steel pipe is inserted in the 3rd step 13,3rd step 13 diameter is that 60mm can ensure that vertical rod can be inserted and can not produce larger displacement, and for 5mm, the 3rd step 13 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 6, preferably, between described bracket 3 and jacking lateral margin 5, be oppositely arranged the through hole 14 of hollow.This design at guarantee jacking while having enough intensity, rigidity and stability, can reduce the overall weight of jacking, saves production cost, efficient energy-saving.
With reference to shown in Fig. 1, Fig. 2 and Fig. 6, preferably, the top of described jacking lateral margin 5 is circular arc.This design can avoid constructor's scratching fingers in work progress, the personal safety of protection constructor.
Socket joint type key slot type adjustable jack of the present invention, conical socket and cone-shaped nib engage each other formation auxiliary connection, and this connection is reliable and stable, have and prevent collapsing de-function.When needs dismounting is of the present invention, only needs to cross bar one power vertically upward, namely can realize being separated of adjustable jack and cross bar, efficiently simple to operate.Compared with connecting with fastener, socket joint type key slot type adjustable jack assembling of the present invention, dismounting save time more than 90%, greatly reduce labour intensity, improve operating efficiency.Compared with socket joint type jacking of the prior art, connecting portion contact area of the present invention is comparatively large, and friction factor is comparatively large, and its connected node shearing resistance, tension, measuring body ability are stronger, and the bearing capacity of whole connection system for guide rail is stronger, stability is higher.
Embodiment two
With reference to shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 6, a kind of socket joint type key slot type adjustable jack provided by the invention, comprises and is built in screw rod 1 in vertical rod and jacking support 2.Jacking support 2 comprises bracket 3 and is arranged on the flat board 4 at bracket 3 top, is provided with the jacking lateral margin 5 of vertical type in the described both sides of dull and stereotyped 4.Flat board 4 and jacking lateral margin 5 can make jacking when placing double joint cross bar, and it is concentric with vertical rod to realize jacking that guarantee cross bar does not produce slippage.Run through in the axial centre of bracket 3 and be provided with the centre bore 6 suitable with screw rod 1 external diameter, in centre bore 6, be provided with the internal thread suitable with screw rod 1 external screw thread.Mostly use welding in prior art, this mode makes the direction of jacking in vertical rod and position once determining, then can not change, can not adjust at any time in work progress according to construction demand.Adopt the mode that is threaded, can according to Specific construction needs, by screwing all number changes of screw thread, adjust the position of jacking in vertical rod and relative direction at any time.As adjusted the high and low position of jacking in vertical rod, or change the relative direction of jacking in vertical rod.Bracket 3 circumference also comprises the first side wall 7 perpendicular and smooth with flat board 4 and the second sidewall 8, is oppositely arranged the first cone-shaped nib 9 and the second cone-shaped nib 10 in the center of described the first side wall 7 and the second sidewall 8.Preferably, the shape of described first cone-shaped nib 9 and the second cone-shaped nib 10 is up-narrow and down-wide, inner narrow outer wide.The design of the first cone-shaped nib 9 and the second cone-shaped nib 10 can make jacking when supporting single rail, ensures that cross bar does not produce slippage, strengthens the stability of scaffold.During use, assembled in the first cone-shaped nib 9 or the second cone-shaped nib 10 buckling into bracket 3 by the cross bar with suitable conical socket, conical socket and cone-shaped nib engage each other formation auxiliary connection.When not needing to use, conical socket is taken out from cone-shaped nib, does not need to use any screw or welding equipment, load and unload very convenient.
Shown in seeing figures.1.and.2, bracket 3 is hollow circular cylinders, and centre bore 6 is highly 1/2 of bracket 3 height, and centre bore 6 aperture is 1/2 of bracket 3 internal diameter.This design at guarantee jacking while having enough intensity, rigidity and stability, can reduce the overall weight of jacking, saves production cost, efficient energy-saving.
With reference to shown in Fig. 1, Fig. 2 and Fig. 4, the axis of bracket 3 runs through to be provided with and can straighten the first step 11 that footpath is 48mm vertical rod, and first step 11 is between centre bore 6 top and bracket 3 top, and it is with centre bore 6 top the end of for, and diameter is 50mm, is highly 5mm.Jacking of the prior art all can not install vertical rod additional on jacking top, but in work progress, often run into the situation needing to install vertical rod additional on jacking top, and therefore, the present invention increases by one on jacking top can straighten the first step 11 that footpath is 48mm vertical rod.During use, diameter is that 48mm vertical rod is inserted on centre bore 6 top, first step 11 diameter is that 50mm can ensure that vertical rod can be inserted and can not produce displacement, and for 5mm, first step 11 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, in like manner, the axis of bracket 3 runs through to be provided with and can straighten the second step 12 that footpath is 48mm vertical rod, second step 12 bottom centre bore 6 and bottom bracket 3 between, its with bottom centre bore 6 end of for, diameter is 50mm, is highly 5mm.Jacking of the prior art all can not install vertical rod additional in jacking bottom, but in work progress, usually run into the situation needing to install vertical rod additional in jacking bottom, and therefore, the present invention increases by one in jacking bottom can straighten the second step 12 that footpath is 48mm vertical rod.During use, diameter is that 48mm vertical rod is inserted in second step 12, second step 12 diameter is that 50mm can ensure that vertical rod can be inserted and can not produce displacement, and for 5mm, second step 12 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, in like manner, the vertical rod that diameter is 60mm is installed additional in order to enable jacking bottom, the axis of bracket 3 runs through to be provided with and can straighten the 3rd step 13 that footpath is 60mm vertical rod, 3rd step 13 bottom bracket 3 and bottom second step 12 between, its with bottom second step 12 end of for, diameter is 62mm, is highly 6mm.During use, diameter is that 60mm steel pipe is inserted in the 3rd step 13,3rd step 13 diameter is that 62mm can ensure that vertical rod can be inserted and can not produce larger displacement, and for 6mm, the 3rd step 13 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 6, preferably, between described bracket 3 and jacking lateral margin 5, be oppositely arranged the through hole 14 of hollow.This design at guarantee jacking while having enough intensity, rigidity and stability, can reduce the overall weight of jacking, saves production cost, efficient energy-saving.
With reference to shown in Fig. 1, Fig. 2 and Fig. 6, preferably, the top of described jacking lateral margin 5 is circular arc.This design can avoid constructor's scratching fingers in work progress, the personal safety of protection constructor.
Socket joint type key slot type adjustable jack of the present invention, conical socket and cone-shaped nib engage each other formation auxiliary connection, and this connection is reliable and stable, have and prevent collapsing de-function.When needs dismounting is of the present invention, only needs to cross bar one power vertically upward, namely can realize being separated of adjustable jack and cross bar, efficiently simple to operate.Compared with connecting with fastener, socket joint type key slot type adjustable jack assembling of the present invention, dismounting save time more than 90%, greatly reduce labour intensity, improve operating efficiency.Compared with socket joint type jacking of the prior art, connecting portion contact area of the present invention is comparatively large, and friction factor is comparatively large, and its connected node shearing resistance, tension, measuring body ability are stronger, and the bearing capacity of whole connection system for guide rail is stronger, stability is higher.
Embodiment three
With reference to shown in Fig. 1, Fig. 2, Fig. 5 and Fig. 6, a kind of socket joint type key slot type adjustable jack provided by the invention, comprises and is built in screw rod 1 in vertical rod and jacking support 2.Jacking support 2 comprises bracket 3 and is arranged on the flat board 4 at bracket 3 top, is provided with the jacking lateral margin 5 of vertical type in the described both sides of dull and stereotyped 4.Flat board 4 and jacking lateral margin 5 can make jacking when placing double joint cross bar, and it is concentric with vertical rod to realize jacking that guarantee cross bar does not produce slippage.Run through in the axial centre of bracket 3 and be provided with the centre bore 6 suitable with screw rod 1 external diameter, in centre bore 6, be provided with the internal thread suitable with screw rod 1 external screw thread.Mostly use welding in prior art, this mode makes the direction of jacking in vertical rod and position once determining, then can not change, can not adjust at any time in work progress according to construction demand.Adopt the mode that is threaded, can according to Specific construction needs, by screwing all number changes of screw thread, adjust the position of jacking in vertical rod and relative direction at any time.As adjusted the high and low position of jacking in vertical rod, or change the relative direction of jacking in vertical rod.Bracket 3 circumference also comprises the first side wall 7 perpendicular and smooth with flat board 4 and the second sidewall 8, is oppositely arranged the first cone-shaped nib 9 and the second cone-shaped nib 10 in the center of described the first side wall 7 and the second sidewall 8.Preferably, the shape of described first cone-shaped nib 9 and the second cone-shaped nib 10 is up-narrow and down-wide, inner narrow outer wide.The design of the first cone-shaped nib 9 and the second cone-shaped nib 10 can make jacking when supporting single rail, ensures that cross bar does not produce slippage, strengthens the stability of scaffold.During use, assembled in the first cone-shaped nib 9 or the second cone-shaped nib 10 buckling into bracket 3 by the cross bar with suitable conical socket, conical socket and cone-shaped nib engage each other formation auxiliary connection.When not needing to use, conical socket is taken out from cone-shaped nib, does not need to use any screw or welding equipment, load and unload very convenient.
Shown in seeing figures.1.and.2, bracket 3 is hollow circular cylinders, and centre bore 6 is highly 2/3 of bracket 3 height, and centre bore 6 aperture is 2/3 of bracket 3 internal diameter.This design at guarantee jacking while having enough intensity, rigidity and stability, can reduce the overall weight of jacking, saves production cost, efficient energy-saving.
With reference to shown in Fig. 1, Fig. 2 and Fig. 4, the axis of bracket 3 runs through to be provided with and can straighten the first step 11 that footpath is 48mm vertical rod, and first step 11 is between centre bore 6 top and bracket 3 top, and it is with centre bore 6 top the end of for, and diameter is 51mm, is highly 6mm.Jacking of the prior art all can not install vertical rod additional on jacking top, but in work progress, often run into the situation needing to install vertical rod additional on jacking top, and therefore, the present invention increases by one on jacking top can straighten the first step 11 that footpath is 48mm vertical rod.During use, diameter is that 48mm vertical rod is inserted on centre bore 6 top, first step 11 diameter is that 51mm can ensure that vertical rod can be inserted and can not produce displacement, and for 6mm, first step 11 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, in like manner, the axis of bracket 3 runs through to be provided with and can straighten the second step 12 that footpath is 48mm vertical rod, second step 12 bottom centre bore 6 and bottom bracket 3 between, its with bottom centre bore 6 end of for, diameter is 51mm, is highly 6mm.Jacking of the prior art all can not install vertical rod additional in jacking bottom, but in work progress, usually run into the situation needing to install vertical rod additional in jacking bottom, and therefore, the present invention increases by one in jacking bottom can straighten the second step 12 that footpath is 48mm vertical rod.During use, diameter is that 48mm vertical rod is inserted in second step 12, second step 12 diameter is that 51mm can ensure that vertical rod can be inserted and can not produce displacement, and for 6mm, second step 12 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2 and Fig. 3, in like manner, the vertical rod that diameter is 60mm is installed additional in order to enable jacking bottom, the axis of bracket 3 runs through to be provided with and can straighten the 3rd step 13 that footpath is 60mm vertical rod, 3rd step 13 bottom bracket 3 and bottom second step 12 between, its with bottom second step 12 end of for, diameter is 63mm, is highly 7mm.During use, diameter is that 60mm steel pipe is inserted in the 3rd step 13,3rd step 13 diameter is that 63mm can ensure that vertical rod can be inserted and can not produce larger displacement, and for 7mm, the 3rd step 13 highly can ensure that vertical rod can not come off from jacking, ensure that the stability of building operations.
With reference to shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 6, preferably, between described bracket 3 and jacking lateral margin 5, be oppositely arranged the through hole 14 of hollow.This design at guarantee jacking while having enough intensity, rigidity and stability, can reduce the overall weight of jacking, saves production cost, efficient energy-saving.
With reference to shown in Fig. 1, Fig. 2 and Fig. 6, preferably, the top of described jacking lateral margin 5 is circular arc.This design can avoid constructor's scratching fingers in work progress, the personal safety of protection constructor.
Socket joint type key slot type adjustable jack of the present invention, conical socket and cone-shaped nib engage each other formation auxiliary connection, and this connection is reliable and stable, have and prevent collapsing de-function.When needs dismounting is of the present invention, only needs to cross bar one power vertically upward, namely can realize being separated of adjustable jack and cross bar, efficiently simple to operate.Compared with connecting with fastener, socket joint type key slot type adjustable jack assembling of the present invention, dismounting save time more than 90%, greatly reduce labour intensity, improve operating efficiency.Compared with socket joint type jacking of the prior art, connecting portion contact area of the present invention is comparatively large, and friction factor is comparatively large, and its connected node shearing resistance, tension, measuring body ability are stronger, and the bearing capacity of whole connection system for guide rail is stronger, stability is higher.
The above is only the preferred embodiment of the present invention, protection scope of the present invention be not only confined to above-described embodiment, and all technical schemes belonged under thinking of the present invention all belong to protection scope of the present invention.It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a socket joint type key slot type adjustable jack, comprises and is built in screw rod in vertical rod and jacking support, and described jacking support comprises bracket and is arranged on the flat board at bracket top, and the both sides of described flat board are provided with the jacking lateral margin of vertical type; It is characterized in that: the axial centre of described bracket runs through and is provided with the centre bore suitable with outer screw diameter, is provided with the internal thread suitable with external thread of screw in described centre bore; Described bracket circumference also comprises smooth the first side wall and the second sidewall, described the first side wall and the second sidewall and flat board perpendicular, the center of described the first side wall is provided with the first cone-shaped nib, and the center on described second sidewall is provided with the second cone-shaped nib relatively.
2. a kind of socket joint type key slot type adjustable jack according to claim 1, it is characterized in that: described bracket is hollow circular cylinder, described centre bore height is the 1/3-2/3 of bracket height, and described centre bore aperture is the 1/3-2/3 of bracket internal diameter.
3. a kind of socket joint type key slot type adjustable jack according to claim 2, it is characterized in that: the axis of described bracket runs through to be provided with and can straighten the first step that footpath is 48mm vertical rod, described first step is between centre bore top and bracket top, its with centre bore top the end of for, diameter is 48-51mm, is highly 4-6mm.
4. a kind of socket joint type key slot type adjustable jack according to claim 2, it is characterized in that: the axis of described bracket runs through to be provided with and can straighten the second step that footpath is 48mm vertical rod, described second step bottom centre bore and bottom bracket between, its with bottom centre bore the end of for, diameter is 48-51mm, is highly 4-6mm.
5. a kind of socket joint type key slot type adjustable jack according to claim 4, it is characterized in that: the axis of described bracket runs through to be provided with and can straighten the 3rd step that footpath is 60mm vertical rod, described 3rd step bottom bracket and bottom second step between, its with bottom second step the end of for, diameter is 60-63mm, is highly 5-7mm.
6. a kind of socket joint type key slot type adjustable jack according to any one of claim 1-5, is characterized in that: the shape of described first cone-shaped nib and the second cone-shaped nib is up-narrow and down-wide, inner narrow outer wide.
7. a kind of socket joint type key slot type adjustable jack according to any one of claim 1-5, is characterized in that: the through hole being oppositely arranged hollow between described bracket and jacking lateral margin.
8. a kind of socket joint type key slot type adjustable jack according to any one of claim 1-5, is characterized in that: the top of described jacking lateral margin is circular arc.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161470.6A CN105019641A (en) | 2014-04-15 | 2014-04-15 | Socket type key groove adjustable jacking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410161470.6A CN105019641A (en) | 2014-04-15 | 2014-04-15 | Socket type key groove adjustable jacking |
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| CN105019641A true CN105019641A (en) | 2015-11-04 |
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| CN201410161470.6A Pending CN105019641A (en) | 2014-04-15 | 2014-04-15 | Socket type key groove adjustable jacking |
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Application publication date: 20151104 |