CN101584531A

CN101584531A - Guide rails

Info

Publication number: CN101584531A
Application number: CNA2009100995945A
Authority: CN
Inventors: 朱建华
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-06-12
Filing date: 2009-06-12
Publication date: 2009-11-25

Abstract

Guide rails of a serried shelf comprise a base of guide rails and guide rails installed on ground base and mutually fixedly connected together, wherein the base section of the base of guide rails is U-shaped, the ends at both sides are respectively inwards bended to form two hems, a long groove is formed between the two hems, and the guide rails are positioned in the long groove and is fixedly connected with the bottom face of the base of guide rails. The guide rails are characterized in that the bottom face of the base of guide rails is further provided with small holes respectively abutted upon both sides of the guide rails, and the small hole is internally provided with a pressure-expandable plug bolt assembly for locating the guide rails. Compared with the existing technology, in the invention, bolts for fixing the base of guide rails are installed at both side abutted upon the guide rail so that the tension arm between the bolts and the guide rails becomes smaller; the compressing structure of the base of guide rails is reasonable, the pressure effect is good, and the guide rails are easily adjusted on a same horizontal surface, thereby being capable of improving the installation accuracy of the guide rails, and ensuring that roller wheels roll on the guide rails safely and steady.

Description

A kind of guide rails

Technical field

The present invention relates to a kind of fixed structure of guide rail location structure, particularly a kind of guide rails.

Background technology

At present, archives, library and museum all use mobile intensive widely and hold article such as all kinds of files, books and historical relic.Usually, move intensive and can realize by hand or electronic mode of operation moving forward and backward, be connected with the carrying crossbeam that roller is installed on intensive chassis, roller can be realized intensive moving with the guide rail cooperation.In order to guarantee that roller can roll along guide rail, on track base, generally all be welded with guide rail, roller just is erected on the guide rail.

In the prior art, as shown in Figure 7, track base 1 ' main body section take the shape of the letter U and the both-side ends edge bend inwards respectively and form two flangings 11 ', two flangings 11 ' between then form an elongated slot 5 ', this elongated slot 5 of guide rail 2 ' be arranged on ' in and with track base 1 ' the welding of passing through be fixedly linked.For realize track base 1 ' fixing, in the prior art usually track base 1 ' both sides be provided with outward extending compressed part 3 ', the compressed part 3 of both sides ' employing drawing expansion type swell fixture 4 ' fastening, thus with whole track base 1 ' fix.The shortcoming of this fixed form be because compressed part 3 ' on swell fixture 4 ' from guide rail 2 ' distance far away, the arm of force between screw and the guide rail is bigger, makes the weak effect that guide rail is fixing; Secondly, because what adopt is drawing expansion type swell fixture 4 ' fastening, after this screw screws, head of screw 41 that exposes ' easily and human body or other article bump, and cause scratch, use dangerous, and, the head of screw 41 that exposes ' also make the upper surface out-of-flatness of track base to influence the beautiful and clean of integral body.

In addition, traditional guide rail directly is welded on the track base, and temperature is higher during owing to welding, causes the thermal deformation of track base U type dual-side and two flangings easily, and then influences the installation accuracy and the serviceability of guide rail; And the space is less because the elongated slot on the track base is subjected to two blocking of side edgefold, and this makes that activity space was limited when guide rail was welded on the track base, and it is very inconvenient to operate; On the other hand, guide rail is welded direct on the track base bottom surface, and guide rail is seen down along the both sides of guide rail from top and had tangible crator, influences the neat and artistic of guide rail.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of track base to compress effective and safe and reliable guide rails fixture at above-mentioned prior art present situation.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: this guide rails, comprise and be installed on the ground and be mutually permanently connected together track base and guide rail, wherein, the main body section of track base takes the shape of the letter U and the both-side ends edge bends inwards respectively and form two flangings, between two flangings, then form an elongated slot, described guide rail is seated in this elongated slot and is fixedly connected with the bottom surface of track base, it is characterized in that: also offer the aperture that is close proximity to described guide rail both sides respectively on the bottom surface of described track base, the pressure-expandable swell fixture assembly that is used for the guide rail location is installed in the described aperture.

Described pressure-expandable swell fixture assembly concrete structure is: the screw rod that includes a band turret head, the tapered cup nut that this screw rod lower end is spirally connected and can moves up and down with respect to this screw rod, this screw rod periphery configuration one expansion set that is embedded in the described ground, the top of described tapered cup nut is positioned at this expansion set.In order to guarantee that when screw rod screwed fully, nut can strut expansion set and expansion set is fixed in the ground tightly, the bottom external diameter of the taper outer peripheral face of described nut is greater than the internal diameter of expansion set.

In order to realize the positioning action of pressure-expandable swell fixture, the outer wall of described tapered cup nut is provided with guiding rib, and the lower end oral area of described expansion set is provided with the bloated groove of the guiding of axially offering, the bloated groove of this guiding and described guiding rib phase configuration.

In order not influence flanging quality and the geometry that is positioned at the track base both sides, effectively reduce the thermal deformation of track base both sides, the compartment of terrain offers the through hole that is used to weld described guide rail on the bottom surface of described track base.So, can realize welding by the through hole of bottom between track base and the guide rail, thereby improve the geometric accuracy and the form and position tolerance of guide rail; And, be not subjected to the spatial constraints of track base two side edgefold structures during welding, operating is more prone to; In addition, bigger space can be reserved in the front of track base, when avoiding track base to install and guide rail and the roller that is arranged on the guide rail interfere; Crator after the welding is because on the bottom surface of track base, guide rail sees down that from top the surface that is positioned at the guide rail both sides does not have crator, and is more neat and artistic.

As preferably, described aperture is one group of both sides that are distributed in described through hole with two, every group of aperture respectively with corresponding through hole alignment.Because aperture is distributed in the through hole both sides, in aperture mounting screw fastening after, make the fixing more firm of track base, stress equalization.

Compared with prior art, the invention has the advantages that: the screw that will be used for fixing track base is installed in the both sides near guide rail, make the arm of force between screw and the guide rail diminish, the compressing structure of track base is reasonable, pressure is effective, also be easy to guide rail is adjusted on the same horizontal plane, therefore can improve the installation accuracy of guide rail, guarantee roller safety rolling reposefully again on this guide rail; Adopted pressure-expandable swell fixture fastening, when compressing, the head of screw moves downward along with tightening of screw, the head of screw is not understood outer being exposed on the bottom surface of track base, can avoid and the installation of anti-tipping apparatus (as anti-barb) interferes, can guarantee that screw is tufted in the concrete floor fully and entirely, the defective that head brought of effectively avoiding traditional drawing expansion type screw after tightening, to expose, make guide rail more attractive in appearance on the whole, use safer reliable.

Description of drawings

Fig. 1 is the rail mounting structure schematic diagram (swell fixture broken section) of the embodiment of the invention.

Fig. 2 is the guide rails structural representation that anti-barb is installed.

Fig. 3 is a guide assembly front view of the present invention

Fig. 4 is the side view of guide assembly shown in Figure 3.

Fig. 5 is a track base front view of the present invention.

Fig. 6 is that the A-A of track base shown in Figure 5 is to cutaway view.

Fig. 7 is a guide rails fixed structure schematic diagram of the prior art.

The specific embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

As shown in Figure 1, be the rail mounting structure schematic diagram of present embodiment, this guide rail includes the track base 1 that is connected on the ground 3 and is connected on this track base 1 and is used to set up the guide rail 2 of roller.

Shown in Fig. 2, Fig. 3 and 4, offer the many groups of apertures 13 that are used for screw or bolt installation that lay respectively at guide rail 2 both sides and align mutually on the bottom surface of track base 1, for fear of the damage that is subjected to the exposed screws head, pressure-expandable swell fixture assembly 4 is installed in aperture 13 in the present embodiment.This pressure-expandable screw 4 includes the screw rod 41 that head is connected with turret head 411, the tapered cup nut 43 that is set in the expansion set 42 outside the screw rod 41 and is connected expansion set 42 bottoms, expansion set 42 is embedded in the ground, nut 43 can move up and down with respect to screw rod 41, the lower end oral area of expansion set 42 is provided with the bloated groove 421 of the guiding of axially offering, the outer wall of nut 43 is provided with and can blocks the guiding rib 431 of joining mutually with the guiding groove 421 that expands, the guide effect when this guiding rib 431 plays nut 43 and moves up and down.

When pressure-expandable swell fixture assembly 4 is installed, the groove 421 that earlier guiding in guiding rib on the nut 43 and the expansion set 42 expanded cooperates, and expansion set 42 is fixed in the ground, then, rotating screw bolt 41, nut 43 and screw rod 41 are threaded and can do with respect to screw rod 41 and move upward, because the external diameter of the taper outer peripheral face of nut 43 is greater than the internal diameter of expansion set 42, so, ascending motion along with nut 43, the lower port of expansion set 42 is along the circumference distending, and links together with ground 3 tightly, thereby realizes the purpose that guide rail is fixedlyed connected with ground.

Plane on track base 1, fastening back does not have the screw head that exposes, and no longer have and the collide with phenomenon of this head of screw that exposes of user or other objects, thereby the production environment security improves, and structure is beautiful and clean again;

Secondly, pressure-expandable swell fixture is close to guide rail 2 both sides respectively and is installed because the arm of force between screw and the guide rail reduces, so track base fixing more firm steadily, good fixing effect;

In addition, in actual use, in order to prevent intensive in the moving process medium dip, usually all device preventing tilting is installed intensive carrying crossbeam bottom, as shown in Figure 2, it is the anti-barb 6 that two cross sections are the L type, should link to each other with carrying crossbeam bottom on the L type of anti-barb 6, the lower end of the anti-barb 6 of this L type then is installed in the track base 1, wherein, the base of anti-barb 6 is that the bottom that is adjacent to track base 1 is provided with, and the end, base of anti-barb 6 is fastened in the C type side of track base 1, because the screw head that pressure-expandable swell fixture does not expose, track base 1 bottom opposed flattened, the spiral shell head that does not expose, therefore, anti-barb 6 can not interfere with swell fixture when mounted, and the head that has solved original drawing expansion type swell fixture exposes and influences the problems that anti-barb 6 is installed smoothly.

As Fig. 5, shown in Figure 6, structural representation for track base 1, the main body section of this track base 1 takes the shape of the letter U, and the both-side ends edge in this U type cross section bends inwards respectively and forms two flangings 11, between two flangings 11, then form an elongated slot 5, guide rail 2 is seated in this elongated slot 5 and welds fixingly mutually with the bottom surface of track base 1, and the compartment of terrain, bottom surface of track base 1 offers the through hole 12 of a plurality of ovalizes, and every group of aperture 13 is arranged on both sides and and these through hole 12 alignment of described through hole 12 respectively accordingly.Because track base 1 offers through hole 12 in the bottom, when welding, guide rail 2 is realized being connected with the spot welding of track base 1 by the through hole 12 of bottom, can prevent the thermal deformation of track base 1 both sides effectively, thereby can improve the form and position tolerance precision of guide rail, be glacing flatness and linearity, and then can improve intensive running precision, improve operational reliability and security; And, during welding,, not limited by track base two side edgefolds 11 structure space positions, but the operating space is bigger, welds to be more prone to owing to can operate from the bottom; In addition, the crator after the welding is positioned at the bottom of track base 1, and any weld seam or crator be can't see in the front of track base 1, and it is more neat and artistic to make track base 1 see down from above.

Claims

1, a kind of guide rails, comprise and be installed on the ground and be mutually permanently connected together track base and guide rail, wherein, the main body section of track base takes the shape of the letter U and the both-side ends edge bends inwards respectively and form two flangings, between two flangings, then form an elongated slot, described guide rail is seated in this elongated slot and is fixedly connected with the bottom surface of track base, it is characterized in that: also offer the aperture that is close proximity to described guide rail both sides respectively on the bottom surface of described track base, the pressure-expandable swell fixture assembly that is used for the guide rail location is installed in the described aperture.

2, guide rails according to claim 1, it is characterized in that: described pressure-expandable swell fixture assembly includes the screw rod of a band turret head, the tapered cup nut that this screw rod lower end is spirally connected and can moves up and down with respect to this screw rod, this screw rod periphery configuration one expansion set that is embedded in the described ground, the top of described tapered cup nut is positioned at this expansion set.

3, guide rails according to claim 2 is characterized in that: the outer wall of described tapered cup nut is provided with guiding rib, and the lower end oral area of described expansion set is provided with the bloated groove of the guiding of axially offering, the bloated groove of this guiding and described guiding rib phase configuration.

4, according to claim 1 or 2 or 3 described guide rails, it is characterized in that: the compartment of terrain offers the through hole that is used to weld described guide rail on the bottom surface of described track base.

5, guide rails according to claim 4 is characterized in that: described aperture is one group of both sides that are distributed in described through hole with two, and every group of aperture aligns with corresponding through hole respectively.