CN113817913A - Pull rod device for steel tapping machine and assembling method thereof - Google Patents
Pull rod device for steel tapping machine and assembling method thereof Download PDFInfo
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- CN113817913A CN113817913A CN202111159012.5A CN202111159012A CN113817913A CN 113817913 A CN113817913 A CN 113817913A CN 202111159012 A CN202111159012 A CN 202111159012A CN 113817913 A CN113817913 A CN 113817913A
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/70—Furnaces for ingots, i.e. soaking pits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
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Abstract
The invention relates to the field of tapping machines, in particular to a pull rod device for a tapping machine and an assembly method thereof, wherein the pull rod device comprises bridging long plates, and adjacent bridging long plates are connected through a square frame mechanism; the square frame mechanism comprises square frame plates, and adjacent bridging long plates are connected through the square frame plates. The invention discloses a pull rod device for a tapping machine; the invention can well increase the overall strength of the pull rod by matching the bridging long plate with the square frame mechanism; in actual use, the pull rod structure can be used for replacing a traditional screw rod type pull rod structure, the pull rod structure disclosed by the invention does not use threaded connection and is connected through a plug-in type structure, the connection stability is better, and meanwhile, the problem that threads of a thread are easy to break in the traditional screw connection process is avoided.
Description
Technical Field
The invention relates to the field of tapping machines, in particular to a pull rod device for a tapping machine and an assembling method thereof.
Background
The long-stroke pull rod structure of the tapping machine of the conventional heating furnace is characterized in that rotary hinged joints with cylindrical pin holes and threaded holes are distributed at two ends and respectively connected with a lifting oil cylinder and a rotary crank through cylindrical pins, a long-stroke connecting stud and a short-stroke adjusting stud are connected with a cylindrical adjusting nut in the middle through a threaded pair mode, and the length of the long-stroke pull rod is adjusted.
Because the tapping machine is in the transition space of the room temperature environment above 1100 ℃ in the furnace and outside the furnace for a long time, the width and the weight of the steel tapping arm supporting plate blank change frequently, the pull rod device of the tapping machine is under the action of frequent pulling and pressure cross stress, and the pull rod part is easy to generate fatigue damage; meanwhile, in a general connection mode of adjusting a screw nut structure, a tool withdrawal groove at the tail end of a thread on a screw has a minimum structural strength point, and the screw is broken frequently after bearing the action of frequent pulling and pressure cross stress, so that a great accident that a plate blank falls into a heating furnace is caused.
Therefore, the pull rod device of the conventional heating furnace tapping machine has very high requirements on materials, heat treatment, machining processes and the like, is difficult to manufacture, has long period, has practical service life and is difficult to meet the design requirements, and the yield of the slab type heating furnace is increased and the tapping rhythm is accelerated.
The original pull rod device of the steel tapping machine is easy to break at the thread tool withdrawal grooves of the long-stroke connecting stud and the short-stroke adjusting stud, and the process of adjusting the length of the long-stroke pull rod by rotating the short-stroke adjusting stud and the cylindrical adjusting nut is very inconvenient; limited by the length of the thread, the length adjusting range is limited.
Therefore, in order to solve the above technical problems, the conventional tie rod structure needs to be optimally designed.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the pull rod device which is high in structural strength and convenient to connect.
In order to achieve the purpose, the invention adopts the technical scheme that:
a pull rod device for a tapping machine comprises bridging long plates, and adjacent bridging long plates are connected through a square frame mechanism.
The square frame mechanism comprises square frame plates, and adjacent bridging long plates are connected through the square frame plates.
The square frame plate is connected with the bridging long plate through a connecting part.
The connecting portion comprises a first connecting portion; the first connecting part comprises a first penetrating and connecting groove arranged on the square frame plate; the bridging long plate is connected with the first cross connecting groove on the square frame plate through the splicing prism.
The connecting part also comprises a second connecting part, and the second connecting part comprises a second penetrating groove arranged on the square frame plate; and the bridging long plate is connected with the second cross connecting groove on the square frame plate through the splicing prism.
The second penetration groove is a strip-shaped groove.
The second connecting part further comprises a locking mechanism arranged at the end part of the square frame plate, the locking mechanism penetrates through the square frame plate to extend into the second penetrating groove and is abutted to the inserting prism in the second penetrating groove.
The locking mechanism comprises a locking bolt and a threaded hole arranged at the end part of the square frame plate, and the second cross connecting groove is communicated with the outer side of the square frame plate through the threaded hole; the locking bolt penetrates through the threaded hole to be connected with the inserting prism in the second penetrating and connecting groove.
And a locking nut is arranged at the end part of the locking bolt.
The locking mechanism further comprises an adjusting block and an adjusting gasket which are placed in the second penetrating and connecting groove.
The square frame plate comprises two single frame plates which are distributed in parallel at intervals; an assembly gap is formed between the two single frame plates; the bridging long plate is inserted in the assembly gap.
The fitting gap width is equal to the bridging long plate thickness.
And a dustproof cover plate is arranged on the outer side surface of the square frame plate.
Two ends of the square frame plate are respectively connected with a bridging long plate; the square frame plate is characterized in that one end of the square frame plate is connected with one bridging long plate through a first connecting part, and the other end of the square frame plate is connected with the other bridging long plate through a second connecting part.
An assembly method of a drawbar arrangement, the assembly method comprising the steps of:
step 1: selecting two bridging long plates and a square frame mechanism with proper sizes;
step 2: firstly, a bridging long plate is spliced at one end of a square frame plate, and a splicing prism penetrates through a first penetration groove to be connected with the bridging long plate;
and step 3: after the step 2 is finished, welding the bridging long plate and the two single frame plates in the square frame plate in the step 1 by a welding process;
and 4, step 4: after the step 3 is finished, another bridging long plate is inserted into the other end of the square frame plate; and a splicing prism passes through the second through-connection slot to be connected with the bridging long plate;
and 5: after the step 4 is finished, limiting the inserting prism in the second penetrating groove through a locking mechanism; after the plugging prism in the second through-connection groove is limited; the locking bolt is locked by a locking nut in the locking mechanism;
step 6: and (5) after the step 5 is finished, assembling one pull rod device, and repeating the steps 1-5 if repeated assembly is needed.
The invention has the advantages that:
the invention discloses a pull rod device for a tapping machine; the invention can well increase the overall strength of the pull rod by matching the bridging long plate with the square frame mechanism; in actual use, the pull rod structure can be used for replacing a traditional screw rod type pull rod structure, the pull rod structure disclosed by the invention does not use threaded connection and is connected through a plug-in type structure, the connection stability is better, and meanwhile, the problem that threads of a thread are easy to break in the traditional screw connection process is avoided.
Drawings
The contents of the expressions in the various figures of the present specification and the labels in the figures are briefly described as follows:
fig. 1 is a schematic structural view of a drawbar device according to the present invention.
Fig. 2 is a cross-sectional view of the center plane structure of the drawbar arrangement in fig. 1.
Fig. 3 is a schematic structural view of the bridge long plate and the square plate in the present invention.
Fig. 4 is a schematic structural view of the bridging long plate of the present invention.
FIG. 5 is a schematic view of the structure of the square plate of the present invention.
Fig. 6 is a schematic view of the construction of the lock bolt of the present invention.
Fig. 7 is a schematic view of the structure of the plugging prism of the present invention.
The partial labels in the figure are:
1. the device comprises a bridging long plate, 2, a square frame mechanism, 3, a splicing prism, 221, a locking bolt, 25, an adjusting gasket, 24, an adjusting block, 23, a dustproof cover plate and 22 a locking mechanism; 21 a single frame plate.
Detailed Description
The following description of preferred embodiments of the invention will be made in further detail with reference to the accompanying drawings.
A pull rod device for a tapping machine comprises bridging long plates 1, wherein adjacent bridging long plates 1 are connected through a square frame mechanism 2; the invention discloses a pull rod device for a tapping machine; according to the invention, through the matching of the bridging long plate 1 and the square frame mechanism 2, the overall strength of the pull rod can be well increased; in actual use, the pull rod structure can be used for replacing a traditional screw rod type pull rod structure, the pull rod structure disclosed by the invention does not use threaded connection and is connected through a plug-in type structure, the connection stability is better, and meanwhile, the problem that threads of a thread are easy to break in the traditional screw connection process is avoided.
The pull rod device comprises a bridging long plate 1, wherein the bridging long plate 1 plays a role in basic connection, and is convenient for being matched with a steel tapping machine subsequently to realize the pulling of the steel tapping machine on a steel billet; in addition, during actual arrangement, two bridging long plates 1 are generally arranged, the two bridging long plates 1 are arranged oppositely, the two bridging long plates 1 are connected through a box mechanism 2, the box mechanism 2 plays a bridging role, and the arrangement of the box mechanism 2 facilitates the connection between the bridging long plates 1.
In addition, the square frame mechanism 2 comprises square frame plates 2-1, and adjacent bridging long plates 1 are connected through the square frame plates 2-1; the square frame plate 2-1 plays a role of basic bridging, thereby facilitating the connection of the bridging long plate 1.
In addition, the connection mode between the square frame plate 2-1 and the bridging long plate 1 is various, the invention mainly adopts the insertion connection mode, namely the connection between the square frame plate 2-1 and the bridging long plate 1 can be realized by adopting the insertion prism 3; specifically, a through connection groove 11 is arranged on the bridging long plate 1, and a first through connection groove 31 or a second through connection groove 211 is arranged on the square frame plate 2-1; the splicing prism 3 is connected with the bridging long plate 1 through the square frame plate 2-1, so that the connection between the square frame plate 2-1 and the bridging long plate 1 is realized; in the present invention, it is preferable that the horizontal cross-sections of the prism 3, the penetration groove 11, the first penetration groove 31, and the second penetration groove 211 are rectangular; of course, a hexagonal prism or a polygonal prism structure is also possible.
Further, in the present invention, the square frame plate 2-1 is connected to the bridging long plate 1 through a connecting portion; the arrangement of the connecting part is mainly to realize the connection between the square frame plate 2-1 and the bridging long plate 1 conveniently; the connecting part is of various types, can be in the above bolt type connection, also can be in other connection modes, and can be specifically selected according to needs.
In addition, in the present invention, the connection portion includes a first connection portion; the first connecting part comprises a first through connecting groove 31 arranged on the square frame plate 2-1; the bridging long plate 1 is connected with a first penetration groove 31 on the square frame plate 2-1 through the splicing prism 3; specifically, the first connecting portion is used for connecting the square frame plate 2-1 with the bridging long plate 1, and mainly comprises a first penetrating groove 31 arranged on the square frame plate 2-1, and the first penetrating groove 31 is used for inserting the prism 3 in a penetrating manner, so that the connection between the bridging long plate 1 and the square frame plate 2-1 is facilitated.
Further, in the present invention, the connecting portion further includes a second connecting portion, and the second connecting portion includes a second through-connection groove 211 disposed on the square frame plate 2-1; the bridging long plate 1 is connected with a second penetration groove 211 on the square frame plate 2-1 through the splicing prism 3; the second connecting part is also used for connecting the square frame plate 2-1 and the bridging long plate 1, the second connecting part mainly comprises a second penetrating groove 211, a splicing prism 3 is arranged in the second penetrating groove 211, and the connection between the bridging long plate 1 and the square frame plate 2-1 is realized through the splicing prism 3;
further, in the present invention, the second penetration groove 211 is a strip groove; the length of the strip-shaped groove is greater than the width of the splicing prism 3; in other words, it is required that the plugging prisms 3 of the present invention can be moved back and forth in the strip-shaped grooves, so that the distance between the two butted bridging long plates 1 can be changed as required subsequently.
Further, in the invention, the second connecting part further comprises a locking mechanism 22 arranged at the end of the square frame plate 2-1, and the locking mechanism 22 extends into the second penetrating groove 211 through the square frame plate 2-1 and is abutted to the plugging prism 3 in the second penetrating groove 211; through the setting of locking mechanism 22, the stability that the grafting prism 3 in the second cross connection groove 211 was placed can be fine realization to the rocking of grafting prism 3 in second cross connection groove 211 has been avoided.
Based on the above statements, it can be appreciated;
in actual use: the connection mode between the bridging long plate 1 and the square frame plate 2-1 has various connection modes; in particular, the bridging long plate 1 and the square frame plate 2-1 can be connected through a first connecting part and also can be connected through a second connecting part.
When two bridging long plates 1 are connected with the square frame plate 2-1, the specific embodiment can be as follows:
the first embodiment:
one end of the square frame plate 2-1 is connected with one bridging long plate 1 through a first connecting part, and the other end of the square frame plate 2-1 is connected with the other bridging long plate 1 through a second connecting part; in this connection manner, when the second through-connection slot 211 is a strip-shaped slot, the change of the distance between the two bridging long plates 1 can be realized.
Second embodiment:
one end of the square frame plate 2-1 is connected with one bridging long plate 1 through a first connecting part, and the other end of the square frame plate 2-1 is also connected with the other bridging long plate 1 through the first connecting part; the connection mode can stably realize the connection between the two bridging long plates 1 and the square frame plate 2-1; by adopting the connection mode, the connection between the bridging long plate 1 and the square frame plate 2-1 can be simplified, and the assembly connection of the bridging long plate 1 is facilitated.
The third embodiment:
one end of the square frame plate 2-1 is connected with one bridging long plate 1 through a second connecting part, and the other end of the square frame plate 2-1 is also connected with the other bridging long plate 1 through a second connecting part; when the second penetration groove 211 is a strip-shaped groove, the distance between the two bridging long plates 1 can be changed by adopting the connection mode; and adopt above-mentioned connected mode, can realize that two bridging long boards 1 all have the adjustability, can increase the accommodation range of pull rod device.
Further, in the present invention, the locking mechanism 22 includes a locking bolt 221 and a threaded hole 223 disposed at an end of the square frame plate 2-1, and the second through-connection groove 211 is communicated with an outer side of the square frame plate 2-1 through the threaded hole 223; the locking bolt 221 passes through the threaded hole 223 and is connected with the splicing prism 3 in the second cross-connecting groove 211; during actual use, the locking bolt 221 in the locking mechanism 22 is screwed on the square frame plate 2-1 through the threaded hole 223, and meanwhile, the plugging prism 3 is extruded by the locking bolt 221 through continuous screwing of the locking bolt 221, so that the plugging prism 3 is finally fixed along the transverse direction of the square frame plate 2-1; in actual arrangement, a plurality of locking mechanisms 22 are arranged on the square frame plate 2-1; because the square frame plate 2-1 is equivalent to two single frame plates 21, in actual arrangement, in order to ensure the stability of the position of the splicing prism 3 in the second penetration groove 211, the end part of each single frame plate is provided with a locking mechanism 22, and meanwhile, the locking bolt 221 is required to be arranged along the length direction of the square frame plate 2-1, so that the bolt only bears compressive stress and avoids bearing tensile stress, the service life of the locking bolt 221 can be prolonged, and finally, the fatigue resistance of the pull rod can be greatly enhanced by utilizing the self-locking property of threads.
Further, in the present invention, a locking nut 222 is disposed at an end of the locking bolt 221; the arrangement of the locking nut 222 can ensure the stability of the locking bolt 221 placed on the square frame plate 2-1, and is more favorable for ensuring that the locking mechanism 22 locks and fixes the plugging prism 3 in the second through groove 211.
Further, in the present invention, the locking mechanism 22 further comprises an adjusting mechanism disposed in the second through-connecting slot 211, and the adjusting mechanism comprises an adjusting block 24 and an adjusting washer 25 disposed in the second through-connecting slot 211; according to the invention, through the arrangement of the adjusting mechanism, the position of the splicing prism 3 in the second through connecting groove 211 can be changed by matching with the locking mechanism 22, so that the change of the relative distance between two oppositely arranged bridging long plates 1 can be realized.
In addition, the adjusting block is provided with a positioning circular groove which is connected with a protruding column at the end part of the locking bolt, so that the positioning between the adjusting block and the locking bolt is conveniently realized, meanwhile, the positioning circular groove is matched with the protrusion at the end part of the locking bolt, the adjusting block is equivalent to a limiting supporting point, and meanwhile, the positioning circular groove is a rotation base point, so that the stability of the locking bolt during rotation can be well ensured, and the existence of interference is reduced.
In addition, in the invention, the number of the adjusting gaskets is multiple, and the number of the adjusting blocks is also multiple, so as to ensure the stability of the relative positions of the adjusting gaskets and the adjusting blocks, the adjusting gaskets are required to be provided with adhesive layers which can be glue solution or other binders; the purpose is to guarantee the integrality of the adjacent adjusting shim, and meanwhile, the pre-assembly of the adjusting shim is convenient, the adjusting shim is prevented from falling from the first cross connecting groove or the second cross connecting groove, and similarly, the adjusting block is also provided with the adhesion layer, so that the pre-assembly of the adjusting block is convenient; the final purpose is to facilitate the installation and assembly of the adjusting block and the adjusting shim.
The purpose of arranging the adhesion layer is that the adjusting shim and the adjusting block are positioned in the first penetrating groove or the second penetrating groove, and if the adhesion layer is not arranged, the adjusting shim and the adjusting shim are easy to fall off when being arranged in the first penetrating groove and the second penetrating groove.
Further, in the present invention, the square frame plate 2-1 includes two spaced and parallel single frame plates 21; an assembly gap is formed between the two single frame plates 21; the bridging long plate 1 is inserted in the assembly gap; the square frame plate 2-1 mainly comprises two single frame plates 21, two ends of each single frame plate 21 are respectively connected with the corresponding bridging long plate 1 through the inserting prism 3, and the single frame plates 21 can protect the side face of the joint of the square frame plate 2-1 and the bridging long plate 1, so that the stability of connection of the square frame plate 2-1 and the bridging long plate 1 is ensured.
Further, in the present invention, the fitting gap width is equal to the thickness of the bridging long plate 1; by the design, the connection stability of the square frame plate 2-1 and the bridging long plate 1 can be well ensured, an initial positioning effect is achieved, and subsequent splicing fixation and welding fixation are facilitated; of course the width of the gap can be chosen as desired.
Furthermore, the outer side surface of the square frame plate 2-1 is provided with a dustproof cover plate 23; due to the arrangement of the dustproof cover plate 23, a protection effect can be well achieved, and the fact that external sundries enter the second penetrating groove 211 is reduced, so that the influence of the external sundries on the service life of the whole pull rod device is avoided.
Furthermore, two ends of the square frame plate 2-1 are respectively connected with a bridging long plate 1; one end of the square frame plate 2-1 is connected with one bridging long plate 1 through a first connecting part, and the other end of the square frame plate 2-1 is connected with the other bridging long plate 1 through a second connecting part; the arrangement mode enables one bridging long plate 1 and the square frame plate 2-1 to be fixedly connected, and the other bridging plate and the square frame plate 2-1 to be detachably connected, so that the invention can ensure that the distance between the two bridging long plates 1 can be adjusted under the condition of convenient assembly.
A method for assembling a drawbar device;
the assembling method comprises the following steps:
step 1: selecting two bridging long plates 1 and a square frame mechanism 2 with proper sizes;
step 2: firstly, a bridging long plate 1 is spliced at one end of a square frame plate 2-1, and a splicing prism 3 penetrates through a first through connecting groove 31 to be connected with the bridging long plate 1;
and step 3: after the step 2 is finished, welding the bridging long plate 1 in the step 1 and the two single frame plates 21 in the square frame plate 2-1 by a welding process;
and 4, step 4: after the step 3 is finished, another bridging long plate 1 is inserted into the other end of the square frame plate 2-1; and a splicing prism 3 is used to pass through the second through-connection slot 211 to be connected with the bridging long plate 1;
and 5: after the step 4 is completed, the plugging prism 3 in the second through-connection groove 211 is limited by the locking mechanism 22; after the plugging prism 3 in the second through-connection groove 211 is limited; the locking bolt 221 is locked by the locking nut 222 in the locking mechanism 22;
step 6: and (5) after the step 5 is finished, assembling one pull rod device, and repeating the steps 1-5 if repeated assembly is needed.
A specific arrangement mode;
a pull rod device for a steel tapping machine is characterized in that a pull rod device is connected between a rotary lifting crank and a lifting oil cylinder of a lifting mechanism of the steel tapping machine through a cylindrical pin; two ends of the pull rod device are two identical bridging long plates 1 with rectangular sections, one end of each bridging long plate is provided with a circular pin hole, the other end of each bridging long plate is provided with a square pin hole (a through connection groove 11), and a square frame mechanism 2 is arranged in the middle of the pull rod device; the square frame mechanism 2 comprises two thickened single frame plates 21, two square pins, an adjusting gasket 25 and a locking mechanism 22; one end of each thickened single frame plate 21 is provided with a square pin hole (a first penetration groove 31); the other end is a rectangular pin hole (a second penetration groove 211), a locking threaded hole 223 is formed in the center of the side end face of the second penetration groove 211, the thickened single frame plate 21 is connected with the first penetration groove 31 of one bridging long plate 1 through a square pin (a plug prism 3), the end part of the bridging long plate 1, which is positioned inside the square frame plate 2-1, is welded and fixed with the edges of two single frame plates 21 which are distributed at intervals, and the bridging long plate 1 connected with the first penetration groove 31 is welded and fixed with the outer edge of the single frame plate 21, which is in contact with the single frame plate 21; realizing the fixed connection between the bridging long plate 1 and the square frame plate 2-1; in addition, another bridging long plate 1 is placed between two thickened single frame plates 21 which are welded and fixed, the centers of second penetrating grooves 211 of the two thickened single frame plates 21 are aligned with the centers of penetrating grooves 11 on the other bridging long plate 1, inserting prisms 3 penetrate from one sides of the single frame plates 21, adjusting gaskets 25 and adjusting blocks 24 are placed in the second penetrating grooves 211, the inserting prisms 3 and the adjusting gaskets 25 are pressed tightly through locking bolts 221 in locking mechanisms 22, and finally the two bridging long plates 1 are connected with the square frame mechanism 2, so that a high-strength adjustable pull rod device is formed.
The invention is provided with the pull rod device; the structure form of the traditional pull rod device and the adjusting connection mode between components are changed, and the original connection mode of the long-stroke connecting stud and the short-stroke adjusting stud with the thread pair of the cylindrical adjusting nut is changed into two completely same threads with a round pin hole at one end; the bridging long plate 1 with the through connection groove 11 at the other end is connected with the two splicing prisms 3, the adjusting gasket 25 and the locking bolt 221 through the combination assembly of the two thickened single frame plates 21; structurally, tensile strength is increased, and in principle, no matter the pull rod device bears tensile stress or compressive stress, the locking bolt 221 only bears the compressive stress action and the self-locking performance of threads is utilized to greatly enhance the fatigue resistance of the pull rod.
The pull rod device is simple in structure, the ratio of the length to the diameter of the pull rod device is more than 70 times, the pull rod device can bear the action of heavy-load and high-frequency pulling and pressure-cross stress in a high-temperature environment, the occurrence of a breakage fault of the pull rod of the heat accumulating type slab heating furnace tapping machine is avoided, the pull rod device is installed at one time without maintenance, and the actual service life is more than 5 years; the production cost is reduced, and the cost for maintaining and replacing equipment is reduced; the weight of a single slab of the heat accumulating type slab heating furnace is improved, and the actual capacity of the whole hot rolling production line is far beyond the design value.
A pull rod device comprises two identical bridging long plates 1 and a square frame plate 2-1, wherein the square frame plate 2-1 comprises two single frame plates 21, two splicing prisms 3, an adjusting gasket 25, an adjusting block 24 and a locking bolt 221; the pull rod device is formed by mutually combining the components.
In the assembled pull rod device, dry oil lubricating grease is fully coated in the second penetrating groove 211 of the single frame plate 21, the dustproof cover plate 23 is fixed on the outer section of the second penetrating groove 211 through bolts, and the thickness of the dustproof cover plate 23 is 2-5 mm.
The bridging long plate 1 is provided with a round pin hole at one end and a through connecting groove 11 at the other end, and the ratio of the length of the plate to the side length of the section is more than 70 times.
One end of the single frame plate 21 is provided with a first penetration groove 31, the other end of the single frame plate is provided with a second penetration groove 211, the long side of the second penetration groove 211 is the sum of the adjusting stroke of the pull rod and the width of the splicing prism 3, and the short side of the second penetration groove 211 is as wide as the splicing prism 3; a locking threaded hole 223 is formed in the center of the side end face of the second penetration groove 211, and the nominal diameter of the threaded hole 223 is larger than M48 mm; a boss flange 212 for limiting the position of the adjusting shim 25 or the adjusting block is arranged in the second penetration groove 211; the height and the thickness of the boss flange 212 disclosed by the invention are both 2-5 mm, and the outer side of the square frame plate 2-1 is provided with a bolt hole for connecting and fixing the dustproof cover plate 23.
In addition, a boss flange can be arranged in the first penetration groove according to requirements.
In addition, two boss retaining sides 212 in each second penetration groove are preferably arranged, and the two boss retaining plates 212 are distributed at intervals, so that the boss retaining plates 212 can support the insertion prism, and meanwhile, the boss retaining plates 212 play a good limiting role, and the position stability of the adjusting block and the adjusting base plate can be better ensured.
Of course, in order to reduce interference, in actual arrangement, the raised baffle 212 is generally arranged on the side of the second cross connecting groove close to the bridging long plate, that is, close to the side of the fitting gap.
In addition, the arrangement of the raised baffle 212 can well facilitate the assembly of the adjusting gasket and the adjusting block; the use effect is excellent; meanwhile, the structural strength of the single frame plate can be increased.
The long edge of the splicing prism 3 is a fillet, and the radius of the fillet is between one fifth and one fourth of the width of the square; short edge is 450And chamfering, wherein the side length of the chamfering is between 4 and 6 millimeters.
The nominal diameter of the threaded hole 223 of the locking bolt 221 is greater than M48 mm, one end is a square boss for rotating the locking bolt 221, and the side length of the boss is greater than 30 mm; the other end is a cylindrical or spherical boss for compressing the adjusting block 24.
It is clear that the specific implementation of the invention is not restricted to the above-described embodiments, but that various insubstantial modifications of the inventive process concept and technical solutions are within the scope of protection of the invention.
Claims (10)
1. A pull rod device for a tapping machine is characterized by comprising bridging long plates, and adjacent bridging long plates are connected through a square frame mechanism.
2. The drawbar arrangement for tapping machines as in claim 1, wherein the frame means comprises square frame plates through which adjacent bridging long plates are connected.
3. The drawbar arrangement for tapping machines according to claim 2, wherein the square frame plate is connected to the bridging long plate by a connecting portion.
4. The drawbar arrangement for tapping machines according to claim 3, characterized in that the connecting portion comprises a first connecting portion; the first connecting part comprises a first penetrating and connecting groove arranged on the square frame plate; the bridging long plate is connected with the first cross connecting groove on the square frame plate through the splicing prism.
5. The pull rod device for the tapping machine as claimed in any one of claims 2 to 4, wherein the connecting portion further comprises a second connecting portion comprising a second through slot provided on the square plate; and the bridging long plate is connected with the second cross connecting groove on the square frame plate through the splicing prism.
6. The pull rod device for the tapping machine as claimed in claim 5, wherein the second penetration groove is a strip-shaped groove.
7. The pull rod device for the tapping machine as claimed in claim 6, wherein the second connecting portion further comprises a locking mechanism provided at an end of the square frame plate, the locking mechanism extending through the square frame plate into the second penetration groove and abutting against the insertion prism in the second penetration groove; the locking mechanism comprises a locking bolt and a threaded hole arranged at the end part of the square frame plate, and the second cross connecting groove is communicated with the outer side of the square frame plate through the threaded hole; the locking bolt penetrates through the threaded hole to be connected with the inserting prism in the second penetrating and connecting groove.
8. The drawbar arrangement for tapping machines according to claim 7, wherein the locking mechanism further includes an adjustment block and an adjustment washer disposed in the second pass-through slot.
9. The drawbar arrangement for tapping machines according to claim 1, wherein the square frame plate includes two spaced, parallel, unitary frame plates; an assembly gap is formed between the two single frame plates; the bridging long plate is inserted in the assembly gap.
10. A method of assembling a drawbar arrangement according to any of claims 1-9, comprising the steps of:
step 1: selecting two bridging long plates and a square frame mechanism with proper sizes;
step 2: a bridging long plate is inserted into one end of the square frame plate and a prism is used to pass through
The first penetration groove is connected with the bridging long plate;
and step 3: after the step 2 is finished, welding the bridging long plate and the two single frame plates in the square frame plate in the step 1 by a welding process;
and 4, step 4: after the step 3 is finished, another bridging long plate is inserted into the other end of the square frame plate; and a splicing prism passes through the second through-connection slot to be connected with the bridging long plate;
and 5: after the step 4 is finished, limiting the inserting prism in the second penetrating groove through a locking mechanism; after the plugging prism in the second through-connection groove is limited; the locking bolt is locked by a locking nut in the locking mechanism;
step 6: and (5) after the step 5 is finished, assembling one pull rod device, and repeating the steps 1-5 if repeated assembly is needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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|---|---|
| CN113817913B (en) | 2023-04-07 |
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