CN219079972U - Fastener gauge adjustment mechanism - Google Patents
Fastener gauge adjustment mechanism Download PDFInfo
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- CN219079972U CN219079972U CN202320046220.2U CN202320046220U CN219079972U CN 219079972 U CN219079972 U CN 219079972U CN 202320046220 U CN202320046220 U CN 202320046220U CN 219079972 U CN219079972 U CN 219079972U
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Abstract
The utility model discloses a fastener track gauge adjusting mechanism, which comprises an iron base plate and a distance adjusting buckle plate; two diagonal positions on the iron backing plate are respectively provided with an anchor bolt mounting hole, the anchor bolt mounting holes are oblong holes extending in the left-right direction, and downward anchor bolts respectively penetrate through the anchor bolt mounting holes; the upper side of the iron backing plate is provided with an iron backing plate tooth area around the anchor bolt mounting hole, and the iron backing plate tooth area is respectively provided with a plurality of tooth rows; a distance adjusting buckle plate is arranged between the upper end head part of the anchor bolt and the iron base plate, and a circular hole matched with the rod part of the anchor bolt is arranged at the position corresponding to the installation hole of the anchor bolt; the lower side of the distance adjusting buckle plate is provided with a distance adjusting buckle plate tooth area, and the distance adjusting buckle plate tooth area is respectively provided with a plurality of tooth rows; the iron pad tooth area of the iron pad is matched with the distance adjusting buckle tooth area of the distance adjusting buckle. The distance adjusting buckle plate and the iron backing plate are matched to play a role in adjusting left and right track gauges of the steel rail, and the adjustment is convenient and quick.
Description
Technical Field
The utility model belongs to the technical field of railway engineering, and particularly relates to a fastener track gauge adjusting mechanism.
Background
The subway is a rapid, large-traffic, electrically-towed rail traffic built in a city. The train runs on the totally-enclosed line, the line located in the central urban area is basically arranged in an underground tunnel, the line outside the central urban area is generally arranged on a viaduct or the ground, and the subway is an urban rail transit system which covers various underground and overground road rights of urban areas and has special, high density and high traffic.
Classification of fasteners: the fasteners are of two types, namely wood sleeper fasteners and concrete sleeper fasteners, according to the sleeper laid. The fasteners can be categorized according to their structure by the snap fastener elements: rigidity and elasticity; the sleeper is distinguished according to the sleeper structure: a blocking shoulder and a non-blocking shoulder are arranged; the sleeper, the backing plate and the buckling piece are distinguished according to the connection mode: non-split and split; distinguishing according to sleeper: there are wooden sleeper fasteners and concrete sleeper fasteners. The railway of China is paved with the fasteners of various types.
Currently, fasteners used in urban rail transit in China can be roughly divided into five types, namely a traditional fastener, a DT series fastener, a WJ series fastener, a spring fastener and a shock absorption fastener.
The general fastener consists of a steel rail fastener and a rail underlayer. The buckling piece mainly has the functions of fixing the steel rail, limiting the movement of the steel rail back and forth, left and right and up and down, and keeping the geometric dimension of the rail. The under-rail cushion layer mainly provides enough elasticity for the rail, and simultaneously assists the buckling piece to fix the steel rail.
In the subway track line independently researched and developed in China, a plurality of elastic strip I-shaped fasteners and elastic strip II-shaped fasteners are adopted, so that the track gauge adjustment amount is small, and the line maintenance is not facilitated.
Therefore, the applicant develops a new subway fastener, which is an elastic split type fastener, the left and right adjustment amount of the track gauge is greatly improved, and the installation and the disassembly are more convenient. In the subway fastener development process, the design requirement on the fastener track gauge adjusting mechanism is that the adjusting amount is large, the adjustment is convenient, and the state is stable after the adjustment.
Disclosure of Invention
The utility model aims to provide a fastener track gauge adjusting mechanism.
In order to solve the technical problems, the utility model adopts the following technical scheme:
a fastener track gauge adjusting mechanism comprises an iron base plate and a distance adjusting buckle plate;
two diagonal positions on the iron backing plate are respectively provided with an anchor bolt mounting hole, the anchor bolt mounting holes are oblong holes extending in the left-right direction, and downward anchor bolts respectively penetrate through the anchor bolt mounting holes;
the upper side of the iron backing plate is provided with an iron backing plate tooth area around the anchor bolt mounting hole, the iron backing plate tooth area is divided into a front iron backing plate tooth area and a rear iron backing plate tooth area by taking the center of the anchor bolt mounting hole as a boundary, the front iron backing plate tooth area and the rear iron backing plate tooth area are respectively provided with a plurality of tooth rows, and an iron backing plate positioning groove is formed between every two adjacent tooth rows;
a distance adjusting buckle plate is arranged between the upper end head part of the anchor bolt and the iron base plate, and a circular hole matched with the rod part of the anchor bolt is arranged at the position corresponding to the installation hole of the anchor bolt; the lower side of the distance adjusting buckle plate is provided with a distance adjusting buckle plate tooth area, the distance adjusting buckle plate tooth area is divided into a front distance adjusting buckle plate tooth area and a rear distance adjusting buckle plate tooth area by taking the center of a round hole as a boundary, the front distance adjusting buckle plate tooth area and the rear distance adjusting buckle plate tooth area are respectively provided with a plurality of tooth rows, and distance adjusting buckle plate positioning grooves are formed between the adjacent tooth rows;
the iron base plate tooth area of the iron base plate is matched with the distance adjusting buckle plate tooth area of the distance adjusting buckle plate, the tooth row of the iron base plate tooth area is clamped with the distance adjusting buckle plate positioning groove, and the tooth row of the distance adjusting buckle plate tooth area is clamped with the iron base plate positioning groove.
Further, the tooth rows of the front iron backing plate tooth area and the rear iron backing plate tooth area are arranged in a staggered manner in the left-right direction; the front pitch adjusting buckle plate tooth area and the rear pitch adjusting buckle plate tooth area are arranged in a staggered mode in the left-right direction.
Further, the tooth row of the tooth areas of the front iron backing plate and the tooth areas of the rear iron backing plate are staggered by 2.6mm; the tooth row of the front pitch adjusting buckle plate tooth area and the tooth row of the rear pitch adjusting buckle plate tooth area are staggered by 2.6mm.
Further, a distance adjusting buckle plate mark line is arranged on the upper side of the distance adjusting buckle plate, and extends and passes through the distance adjusting buckle plate mark line along the front-back direction; the iron cushion plate is provided with an iron cushion plate marking line at the front side or the rear side of the iron cushion plate tooth area.
Further, the iron base plate mark line and the distance adjusting buckle plate mark line are concave straight line grooves, and the cross section of each straight line groove is semicircular.
Further, the front side or the rear side of the tooth area of the iron cushion plate is also provided with a limiting boss which is of a horizontally extending strip-shaped structure.
The beneficial effects of the utility model are as follows:
the track gauge adjusting mechanism of the fastener mainly comprises the iron base plate and the distance adjusting buckle plate, and the distance adjusting buckle plate and the iron base plate are matched to play a role in adjusting the left track gauge and the right track gauge of the steel rail, and the adjustment is convenient and quick. During adjustment, the anchor bolt is unscrewed firstly, then the left and right relative positions of the distance adjusting buckle plate and the iron base plate are adjusted, so that the tooth row of the distance adjusting buckle plate is meshed with the tooth row on the iron base plate, and then the anchor bolt is screwed. The arrangement is convenient for left and right adjustment of the track gauge, and can realize larger left and right adjustment quantity (+ 24mm to minus 28 mm) of the track gauge.
In the utility model, the front tooth row and the rear tooth row on the iron base plate and the distance adjusting buckle plate are arranged in a staggered manner, so that the occlusion after the movement is tighter, and the adjusted state is ensured to be stable.
According to the utility model, the iron base plate is provided with the iron base plate mark line, the distance adjusting buckle plate is provided with the distance adjusting buckle plate mark line, and the iron base plate mark line is compared with the distance adjusting buckle plate mark line, so that the left and right adjustment amount can be clearly displayed.
Drawings
FIG. 1 is an assembled top view of a subway fastener according to an embodiment of the utility model;
FIG. 2 is a schematic view of section A-A of FIG. 1;
FIG. 3 is a top view of an iron pallet in an embodiment of the present utility model;
FIG. 4 is a schematic view of section B-B of FIG. 3 (flat slope iron shim plate);
FIG. 5 is a schematic view of section B-B of FIG. 3 (iron pallet with bottom slope);
FIG. 6 is a schematic view in section C-C of FIG. 3;
FIG. 7 is an enlarged view of I in FIG. 4 or FIG. 5;
FIG. 8 is an enlarged view of II in FIG. 3;
fig. 9 is a front view of a pitch buckle in an embodiment of the present utility model;
FIG. 10 is a bottom view of FIG. 9;
FIG. 11 is an enlarged view of III in FIG. 9;
FIG. 12 is an enlarged view of IV of FIG. 9;
FIG. 13 is a top view of an iron shim plate lower spring shim plate according to an embodiment of the present utility model;
FIG. 14 is a schematic view in section D-D of FIG. 13;
FIG. 15 is a schematic view in section E-E of FIG. 13;
fig. 16 is an enlarged view of v in fig. 15;
FIG. 17 is a top view of an iron shim plate lower lift shim plate according to an embodiment of the present utility model;
FIG. 18 is a front view of an iron shim plate lower lift shim plate according to an embodiment of the present utility model;
FIG. 19 is a front view of a T-bolt in an embodiment of the utility model;
fig. 20 is a side view of a T-bolt in an embodiment of the utility model.
The drawings are for illustrative purposes only and are not to be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
The embodiment provides a fastener gauge adjustment mechanism, is used in the subway fastener, and fastener gauge adjustment mechanism mainly comprises iron backing plate and gauge adjustment buckle, and gauge adjustment buckle and iron backing plate cooperation play the effect of adjusting rail left and right sides gauge.
As shown in fig. 1 to 20, the subway fastener includes a T-bolt 1, a W-spring 3, an anchor bolt 4, an iron tie plate 8, an iron tie plate lower elastic tie plate 9, an iron tie plate lower height adjustment tie plate 10, an insulating gauge block 11, a rail lower height adjustment tie plate 12, and a rail lower tie plate 13.
The middle position of the iron backing plate 8 is a rail mounting position, the rail mounting position is used for mounting a rail, the rail extends along the front-back direction, and meanwhile, a rail lower backing plate 13 and a rail lower heightening backing plate 12 are sequentially arranged between the rail and the iron backing plate from bottom to top.
The iron base plate 8 is provided with an iron base plate lower elastic base plate 9 and an iron base plate lower heightening base plate 10 downwards in sequence, and the iron base plate lower heightening base plate 10 is contacted with the rail bearing surface.
The iron pad 8 adopts an approximate parallelogram structure, and the iron pad material is QT450-10.
Anchor bolt mounting holes 81 are respectively formed in two opposite angles of the iron base plate 8, downward anchor bolts 4 respectively penetrate through the anchor bolt mounting holes 81, and the anchor bolts 4 penetrate through the iron base plate lower elastic base plate 9 and the iron base plate lower heightening base plate 10 in sequence and are connected with the embedded plastic sleeve 14.
The other two diagonal positions of the iron backing plate 8 are respectively provided with a positioning table, the positioning tables protrude upwards from the iron backing plate 8, each positioning table is composed of two positioning seats 82 which are symmetrical front and back, arc-shaped grooves 83 are formed in the positions, which are located outside, of the upper side face of each positioning seat 82, two limiting grooves which are opposite front and back are formed in the positions, which are located inside, of each positioning seat 82, the two limiting grooves form an inverted T-shaped groove 84 with an upper shrinkage opening, and the inverted T-shaped groove 84 is an inlet opening on the left side or the right side of the inverted T-shaped groove (namely, the left side of the inverted T-shaped groove on the left side is an inlet opening, and the right side of the inverted T-shaped groove on the right side is an inlet opening).
The two overhanging parts of the W-shaped elastic strip are respectively clamped in the arc grooves of the two positioning seats 82, the inward extending parts of the W-shaped elastic strip are pressed on the steel rail, and an insulating gauge block 11 is arranged between the inward extending parts of the elastic strip and the steel rail.
The lower extreme of T type bolt 1 is fixed to be equipped with the lug that stretches out forward and backward, and the lug cooperation joint of T type bolt 1 is in the inverted T type groove 84 of locating station, and the upper end of T type bolt 1 stretches out and surpasses W type bullet strip by the upper portion throat of inverted T type groove 84, and the upper end of T type bolt 1 is equipped with locknut 2 and matched nut cover 15 simultaneously and compresses tightly W type bullet strip downwards to compress tightly the rail.
In this embodiment, the anchor bolt mounting holes 81 are oblong holes extending in the left-right direction, and the holes for the anchor bolts 4 to pass through on the iron pad lower elastic pad 9 and the iron pad lower height-adjusting pad 10 are correspondingly also oblong holes.
In this embodiment, the iron pad 8 plays a role in connecting the sleeper and the steel rail, the iron pad 8 is provided with an anchor bolt hole 81 and a positioning seat 82, an inverted T-shaped groove 84 is arranged at the positioning seat 82, the anchor bolt hole 81 is connected with the anchor bolt 4 to play a role in fixing the fastener to the sleeper, and the inverted T-shaped groove 84 is connected with the T-shaped bolt 1 to play a role in fixing the elastic strip and the steel rail.
Because the 8 inverted T-shaped groove 84 is positioned on the upper side of the iron base plate 8, the inverted T-shaped groove 84 is an inlet on the left side or the right side of the inverted T-shaped groove 84, the T-shaped bolt 1 does not need to pass through the iron base plate from bottom to top, and the inverted T-shaped groove can be directly entered from the inlet on the side edge to complete connection and installation with the iron base plate, and the installation and the disassembly are convenient and quick.
In this embodiment, the iron pad 8 is a flat slope iron pad or a slope iron pad with a slope bottom. The iron pad 8 is also provided with a triangular direction mark as an installation direction indication.
The upper side of the iron backing plate 8 is provided with an iron backing plate tooth area around the anchor bolt mounting hole 81, the iron backing plate tooth area is divided into a front iron backing plate tooth area 85 and a rear iron backing plate tooth area 86 by taking the center of the anchor bolt mounting hole 81 as a boundary, the front iron backing plate tooth area 85 and the rear iron backing plate tooth area 86 are respectively provided with a plurality of tooth rows 87, the tooth rows 87 are of a zigzag structure, and iron backing plate positioning grooves are formed between adjacent tooth rows.
Simultaneously, the tooth row 87 of the front iron pad tooth region 85 and the rear iron pad tooth region 86 are arranged in a staggered manner in the left-right direction, and the tooth row of the front iron pad tooth region and the rear iron pad tooth region are staggered by 2.6mm.
A distance adjusting pinch plate 7 is arranged between the upper end head part of the anchor bolt 4 and the iron base plate 8, and a circular hole 71 matched with the rod part of the anchor bolt is arranged at the position corresponding to the distance adjusting pinch plate 7 and the anchor bolt mounting hole 81. A flat washer 5 and a heavy spring washer 6 are also arranged between the upper end head of the anchor bolt 4 and the distance adjusting buckle plate 7.
The distance adjusting buckle plate 7 adopts a square structure, and the size of the distance adjusting buckle plate basically corresponds to the tooth area of the iron backing plate. The distance adjusting buckle plate is made of QT450-10.
The lower side of the distance adjusting buckle 7 is provided with a distance adjusting buckle tooth area, the distance adjusting buckle tooth area is divided into a front distance adjusting buckle tooth area 72 and a rear distance adjusting buckle tooth area 73 by taking the center of a round hole as a boundary, the front distance adjusting buckle tooth area 72 and the rear distance adjusting buckle tooth area 73 are respectively provided with a plurality of tooth rows 74, the tooth rows 74 are of a zigzag structure, and distance adjusting buckle positioning grooves are formed between the adjacent tooth rows 74.
Simultaneously, the tooth rows 74 of the front pitch buckle tooth area 72 and the rear pitch buckle tooth area 73 are arranged in a staggered manner in the left-right direction, and the tooth rows of the front pitch buckle tooth area 72 and the rear pitch buckle tooth area 73 are staggered by 2.6mm.
The iron pad tooth area of the iron pad 8 is matched with the distance adjusting buckle tooth area of the distance adjusting buckle 7, the tooth row 87 of the iron pad tooth area is clamped with the distance adjusting buckle positioning groove, and the tooth row 74 of the distance adjusting buckle tooth area is clamped with the iron pad positioning groove. Meanwhile, the front teeth and the rear teeth are arranged in a staggered way, so that the occlusion is tighter after the movement.
The distance adjusting buckle plate 7 and the iron base plate 8 are matched to play roles in adjusting left and right track gauges of the steel rail and fixing the iron base plate, and the adjustment is convenient and quick. During adjustment, the anchor bolt 4 is firstly unscrewed, then the left and right relative positions of the distance adjusting buckle plate 7 and the iron base plate 8 are adjusted, so that the tooth row of the distance adjusting buckle plate 7 is meshed with the tooth row on the iron base plate 8, and then the anchor bolt 4 is screwed. The arrangement is convenient for left and right adjustment of the track gauge, and can realize larger left and right adjustment quantity (+ 24mm to minus 28 mm) of the track gauge.
The upper side of the distance adjusting buckle 7 is also provided with a distance adjusting buckle mark line 75, and the distance adjusting buckle mark line 75 extends along the front-back direction and passes through, so that the left-right adjustment of the track gauge is conveniently and clearly displayed.
In this embodiment, the front side or the rear side of the iron pad tooth area of the iron pad 8 is further provided with a limiting boss 88 (the left iron pad tooth area is located at the front side thereof, the right iron pad tooth area is located at the rear side thereof), and the limiting boss 88 is of a horizontally extending strip structure, so that the distance adjusting buckle 7 can conveniently move horizontally along the limiting boss 88.
In this embodiment, the iron shim plate 8 is further provided with an iron shim plate mark line 89 (iron shim plate tooth region in the left position, mark line in the front side thereof; iron shim plate tooth region in the right position, mark line in the rear side thereof) on the front side or the rear side of the iron shim plate tooth region, the iron shim plate mark line 89 extends in the front-rear direction, and an extension line of the iron shim plate mark line 88 passes through the center of the anchor bolt mounting hole 81. The arrangement of the iron pad mark line 89 is convenient to be compared with the distance adjusting buckle mark line 75 of the distance adjusting buckle 7 so as to clearly display the left and right adjustment amount.
In this embodiment, the iron pad mark line 89 and the distance adjusting buckle mark line 75 are concave straight line grooves, and the cross section of each straight line groove is semicircular.
The lower elastic cushion 9 of the iron cushion adopts a parallelogram structure, and the lower elastic cushion of the iron cushion is made of thermoplastic polyester elastomer. The diagonal position of the lower elastic cushion 9 of the iron cushion is provided with a slotted hole 94 for the anchor bolt 4 to pass through.
The upper surface and the lower surface of the lower elastic backing plate 9 of the iron backing plate are respectively provided with grooves 91 and 92, the grooves extend along the left-right direction, the grooves 91 of the upper surface and the grooves 92 of the lower surface are provided with a plurality of grooves along the front-back direction, and the grooves 91 of the upper surface and the grooves 92 of the lower surface are alternately arranged in turn along the front-back direction.
The number of the grooves is selected according to the use scene, so that the requirements of rigidity and elasticity can be met, and the static rigidity and the shock absorption effect of the fastener can be adjusted.
The elastic backing plate under the iron backing plate is manufactured by adopting an injection molding process. The size of the elastic backing plate under the iron backing plate is changed into the following size after the fatigue load is 600 ten thousand times (the loading frequency is 3-5 Hz) by 20-70 kN: the length and width are not more than 5%, the thickness is not more than 7%, the static rigidity change is not more than 20%, and the backing plate cannot be broken.
In this embodiment, the cross section of the groove on the elastic backing plate 9 under the iron backing plate is of an outwards flaring U-shaped structure, two bottom angle positions of the U-shaped structure are in arc transition, processing is convenient, and the requirements can be better met.
In this embodiment, the iron pad down-height-adjusting pad 10 adopts a parallelogram structure, and the iron pad down-height-adjusting pad 10 is made of high-density polyethylene.
The iron cushion plate is provided with two oblong holes for the anchor bolts 4 to pass through at the diagonal positions of the lower heightening cushion plate 10, namely a left oblong hole 101 and a right oblong hole 102.
The left side of the left oblong hole 101 is connected with a left channel 103 which horizontally extends leftwards, the left channel 103 penetrates leftwards through the iron base plate lower heightening base plate 10, and an opening is formed on the left side of the iron base plate lower heightening base plate 10; the width of the left channel 103 corresponds to the width of the left oblong hole 101.
The lower side of the right oblong hole 102 is connected with a right channel 104 which extends forwards and inclines leftwards, the right channel 104 penetrates forwards through the iron base plate lower heightening base plate 10, and an opening is formed on the front side of the iron base plate lower heightening base plate 10; the width of the right channel 104 corresponds to the length of the right oblong hole 102.
The iron backing plate is lowered and the height of the backing plate is adjusted through the arrangement of the left channel 103 and the right channel 104, and the left channel 103 and the right channel 104 are matched with the anchor bolts, so that the iron backing plate is convenient to install and detach. When the iron base plate is installed and disassembled, the fasteners are not required to be completely disassembled, the anchoring bolts are only required to be unscrewed, then the left channel 103 is firstly corresponding to the left anchoring bolts, the anchoring bolts enter the left channel 103, then the iron base plate is rotated to lower the iron base plate, the right anchoring bolts also enter the right channel 104, and then the alignment is continuously adjusted.
In the embodiment, the iron base plate is downwards heightened, has various thickness specifications, and has four thicknesses of 2mm, 3mm, 5mm and 10mm, thereby playing a role in heightening. The height can reach 40mm by matching with the rail down-regulating backing plate 12.
The subway fastener of the above embodiment is installed in the following order when installed and used.
1. The top surface of the embedded plastic sleeve 14 is flush with the sleeper surface, and whether impurities exist in the sleeve or not is checked.
2. An iron pad lower elastic pad 9 is installed.
3. Placing an iron base plate 8, and if a slope bottom slope iron base plate is selected, enabling the rail bottom slope to face the inner side of the rail (according to the triangular direction on the iron base plate); if a flat slope iron backing plate is selected, the normal installation is carried out. When in installation, the center of the oblong hole of the iron base plate 8 is aligned with the center of the plastic sleeve 14; the distance adjusting buckle plate 7 is aligned, teeth are meshed with teeth on the iron base plate 8, and the distance adjusting buckle plate is aligned with a mark line and is arranged in the middle; and selecting an anchor bolt 4 with a proper length, sleeving a flat gasket and a spring gasket, oiling the threaded part of the anchor bolt 4, and screwing into the plastic sleeve.
4. The rail lower pad 13 is laid and then the rail is laid.
5. And installing insulation gauge blocks 11 with proper specifications between the steel rail and the iron pad iron seat according to the configuration table.
6. Checking the track gauge direction, and after confirming proper installation of the W-shaped elastic strip 3, enabling the gap between the lower jaw at the front end of the middle part of the elastic strip and the insulating track gauge block 11 not to be larger than 1mm, wherein the reference torque is (100-140) N.m, and oiling is needed before installation of the T-shaped bolt 1.
7. And (5) screwing the anchor bolt 4 with a torque of (200-250) N.m to fix the iron backing plate 8.
8. And an iron tie plate lower heightening tie plate 10 and a rail lower heightening tie plate 12 are arranged at the place where the heightening is needed.
The above embodiments are only for illustrating the technical solution of the present utility model, and it should be understood by those skilled in the art that although the present utility model has been described in detail with reference to the above embodiments: modifications and equivalents may be made thereto without departing from the spirit and scope of the utility model, which is intended to be encompassed by the claims.
If the terms "first," "second," etc. are used herein to define a part, those skilled in the art will recognize that: the use of "first" and "second" is for convenience only as well as for simplicity of description, and nothing more than a particular meaning of the terms is intended to be used unless otherwise stated.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (6)
1. A fastener gauge adjustment mechanism which characterized in that: comprises an iron backing plate and a distance adjusting buckle plate;
two diagonal positions on the iron backing plate are respectively provided with an anchor bolt mounting hole, the anchor bolt mounting holes are oblong holes extending in the left-right direction, and downward anchor bolts respectively penetrate through the anchor bolt mounting holes;
the upper side of the iron backing plate is provided with an iron backing plate tooth area around the anchor bolt mounting hole, the iron backing plate tooth area is divided into a front iron backing plate tooth area and a rear iron backing plate tooth area by taking the center of the anchor bolt mounting hole as a boundary, the front iron backing plate tooth area and the rear iron backing plate tooth area are respectively provided with a plurality of tooth rows, and an iron backing plate positioning groove is formed between every two adjacent tooth rows;
a distance adjusting buckle plate is arranged between the upper end head part of the anchor bolt and the iron base plate, and a circular hole matched with the rod part of the anchor bolt is arranged at the position corresponding to the installation hole of the anchor bolt; the lower side of the distance adjusting buckle plate is provided with a distance adjusting buckle plate tooth area, the distance adjusting buckle plate tooth area is divided into a front distance adjusting buckle plate tooth area and a rear distance adjusting buckle plate tooth area by taking the center of a round hole as a boundary, the front distance adjusting buckle plate tooth area and the rear distance adjusting buckle plate tooth area are respectively provided with a plurality of tooth rows, and distance adjusting buckle plate positioning grooves are formed between the adjacent tooth rows;
the iron base plate tooth area of the iron base plate is matched with the distance adjusting buckle plate tooth area of the distance adjusting buckle plate, the tooth row of the iron base plate tooth area is clamped with the distance adjusting buckle plate positioning groove, and the tooth row of the distance adjusting buckle plate tooth area is clamped with the iron base plate positioning groove.
2. The fastener gage adjustment mechanism of claim 1 wherein: the tooth rows of the front iron backing plate tooth area and the rear iron backing plate tooth area are arranged in a staggered manner in the left-right direction; the front pitch adjusting buckle plate tooth area and the rear pitch adjusting buckle plate tooth area are arranged in a staggered mode in the left-right direction.
3. The fastener gage adjustment mechanism of claim 2, wherein: the tooth row of the front iron backing plate tooth area and the tooth row of the rear iron backing plate tooth area are staggered by 2.6mm; the tooth row of the front pitch adjusting buckle plate tooth area and the tooth row of the rear pitch adjusting buckle plate tooth area are staggered by 2.6mm.
4. The fastener gage adjustment mechanism of claim 1 wherein: the upper side of the distance adjusting buckle plate is provided with a distance adjusting buckle plate mark line which extends along the front-back direction and passes through the distance adjusting buckle plate mark line; the iron cushion plate is provided with an iron cushion plate marking line at the front side or the rear side of the iron cushion plate tooth area.
5. The fastener gage adjustment mechanism of claim 4 wherein: the iron base plate mark line and the distance adjusting buckle plate mark line are concave straight line grooves, and the cross section of each straight line groove is semicircular.
6. The fastener gage adjustment mechanism of any one of claims 1-5, wherein: the front side or the rear side of the tooth area of the iron cushion plate is also provided with a limiting boss which is of a horizontally extending strip-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320046220.2U CN219079972U (en) | 2023-01-09 | 2023-01-09 | Fastener gauge adjustment mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320046220.2U CN219079972U (en) | 2023-01-09 | 2023-01-09 | Fastener gauge adjustment mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN219079972U true CN219079972U (en) | 2023-05-26 |
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ID=86394522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320046220.2U Active CN219079972U (en) | 2023-01-09 | 2023-01-09 | Fastener gauge adjustment mechanism |
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| Country | Link |
|---|---|
| CN (1) | CN219079972U (en) |
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2023
- 2023-01-09 CN CN202320046220.2U patent/CN219079972U/en active Active
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