CN215436089U

CN215436089U - Contact net adjustment frock

Info

Publication number: CN215436089U
Application number: CN202121230075.0U
Authority: CN
Inventors: 厍蛟峰; 魏军; 陈宏�; 凌人; 孙海东; 许向阳
Original assignee: China Railway 11th Bureau Group Co Ltd; China Railway 11th Bureau Group Electric Engineering Co Ltd
Current assignee: China Railway 11th Bureau Group Co Ltd; China Railway 11th Bureau Group Electric Engineering Co Ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2022-01-07
Anticipated expiration: 2031-06-02

Abstract

The utility model relates to a contact net adjusting tool, which comprises a base, a caliper and a height guide auxiliary ruler, wherein the caliper is arranged on the base; the base is arranged on the ladder car operation platform; the caliper is slidably arranged on the base, and the sliding direction of the caliper is perpendicular to the rail surface; a pull-out value scale parallel to the sliding direction of the caliper is arranged at the top of the base, and pull-out value scale marks matched with the pull-out value scale are arranged on the side wall of the caliper; the height guide auxiliary ruler is vertically and slidably mounted on the caliper, a height guide scale is vertically arranged on the caliper, and height guide scale marks matched with the height guide scale are arranged on the height guide auxiliary ruler; during detection, the height guide auxiliary ruler and the caliper are moved to be matched with a standard value of a contact line, when the lift truck operation platform moves to a contact suspension point to be adjusted, the height guide auxiliary ruler and the caliper are adjusted to be matched with the contact line, and the required adjustment amount can be obtained by observing the change of a scale value corresponding to the scale line, so that the use pressure of the laser measuring instrument of the contact network is greatly relieved, and the adjustment efficiency and the adjustment progress of the contact network are improved.

Description

Contact net adjustment frock

Technical Field

The utility model relates to the technical field of rail transit, in particular to a contact net adjusting tool.

Background

In the urban rail transit contact network engineering construction process, the adjustment precision of the contact network directly determines the current collection quality of the electric bus, so the adjustment work of the contact network is particularly critical. The hard requirement of contact net engineering design and quality acceptance standard has 3 points: the channel steel is parallel to the rail surface, and the busbar is perpendicular to the rail surface; the vertical distance (lead height) between the contact line and the rail surface must meet the design requirement, and the construction error is generally controlled within +/-3 mm; the distance (pull-out value) between the contact line and the center of the pantograph must meet the design requirement, and the construction error is generally controlled within +/-3 mm.

At present, a contact net laser measuring instrument is generally adopted to measure the vertical distance between a contact suspension channel steel and a rail surface, the parallel or vertical of the channel steel and a busbar with the rail surface is adjusted, and the contact net laser measuring instrument is adopted to measure and adjust the contact line height and pull-out value. In the adjustment of the contact network, after a measuring staff at the lower part of the contact network operation tower wagon is used for measuring, the contact network laser measuring instrument informs an upper operating staff of the contact network operation tower wagon of the measured data or the adjustment amount, and the upper operating staff performs adjustment according to the data. However, the laser measuring instrument of the contact network has high unit price, and the engineering company and the project department are few, so that the on-site requirements cannot be met, and the construction progress and the installation quality of the contact network are restricted.

SUMMERY OF THE UTILITY MODEL

The utility model provides a contact net adjusting tool aiming at the technical problems in the prior art, which is suitable for adjusting a rigid contact net contact line before erection, and greatly relieves the use pressure of a contact net laser measuring instrument.

The technical scheme for solving the technical problems is as follows: a contact net adjusting tool comprises a base, a caliper and a height guide auxiliary ruler; the base is arranged on the ladder car operation platform; the caliper is slidably mounted on the base, and the sliding direction of the caliper is perpendicular to the rail surface; a pull-out value scale parallel to the sliding direction of the caliper is arranged at the top of the base, and pull-out value scale marks matched with the pull-out value scale are arranged on the side wall of the caliper; the height guide auxiliary ruler is vertically slidably installed on the caliper, a height guide dividing ruler is vertically arranged on the caliper, and height guide dividing lines matched with the height guide dividing ruler are arranged on the height guide auxiliary ruler.

The utility model has the beneficial effects that: through setting up slide caliper rule and leading high auxiliary ruler, can stretch to earlier lead high auxiliary ruler during the detection and match with the height guide standard value of contact wire, and move slide caliper rule to matching with the withdrawal value standard value of contact wire, when the ladder car operation platform moved to waiting to adjust the contact suspension point, adjustment lead high auxiliary ruler and slide caliper rule and contact wire match, it can draw required adjustment volume to observe the change of the scale value that leads high scale mark and withdrawal value scale mark correspond, contact net laser measuring instrument's service pressure has greatly been alleviated, the adjustment efficiency and the progress of contact net have been improved.

On the basis of the technical scheme, the utility model can be further improved as follows.

Further, the height guide scale is vertically slidably mounted on the caliper; the pullout value scale is horizontally slidably mounted on the base, and the sliding direction is parallel to the sliding direction of the caliper.

The beneficial effect of adopting the further scheme is that: when the height guide auxiliary ruler and the caliper are moved to the position matched with the standard value of the contact line, the height guide dividing ruler and the pull-out value dividing ruler can be adjusted, so that the 0 positions of the height guide dividing ruler and the pull-out value dividing ruler are respectively aligned with the height guide dividing line and the pull-out value dividing line, therefore, when the ladder car operation platform moves to the contact suspension point to be adjusted, after the height guide auxiliary ruler and the caliper are adjusted to be matched with the contact line, the scale values corresponding to the height guide dividing line and the pull-out value dividing line are the required adjustment values, and the required adjustment values can be observed more visually.

Further, the adjusting tool further comprises a channel steel auxiliary ruler; the channel steel auxiliary ruler is vertically and slidably installed on the caliper rule, a channel steel graduated scale is vertically arranged on the caliper rule, and channel steel graduated lines matched with the channel steel graduated scale are arranged on the channel steel auxiliary ruler.

The beneficial effect of adopting the further scheme is that: through setting up the channel-section steel assistant ruler, before the adjustment contact line, can adjust the height of channel-section steel and the levelness of channel-section steel and rail surface earlier, improve the accuracy of contact net adjustment.

Furthermore, a height guide auxiliary ruler clamping groove and a channel steel auxiliary ruler clamping groove which extend downwards are formed in the top of the caliper, the height guide auxiliary ruler is slidably inserted into the height guide auxiliary ruler clamping groove, and the channel steel auxiliary ruler is slidably inserted into the channel steel auxiliary ruler clamping groove; the side wall of the caliper is provided with a vertically extending height guide window communicated with the height guide auxiliary caliper clamping groove, and the height guide scale mark is matched with the height guide window; the caliper is characterized in that a vertically extending channel steel window communicated with the channel steel auxiliary ruler clamping groove is further formed in the side wall of the caliper, and the channel steel scale marks are matched with the channel steel window.

Furthermore, the upper parts of the side walls of the height guide auxiliary ruler and the channel steel auxiliary ruler are provided with baffles.

The beneficial effect of adopting the further scheme is that: through setting up the baffle, prevent to lead in high vice chi draw-in groove or the vice chi draw-in groove of channel-section steel from gliding at the top of leading high vice chi or the vice chi of channel-section steel.

Further, the channel steel graduated scale can be installed on the slide caliper rule vertically.

The beneficial effect of adopting the further scheme is that: when the channel steel secondary ruler is moved to the position matched with the standard value of the channel steel, the channel steel graduated scale can be adjusted, the channel steel graduated scale is aligned to the channel steel graduated scale in the 0 position, therefore, when the ladder car operation platform moves to the position to be adjusted to contact with the suspension point, after the channel steel secondary ruler is adjusted to be matched with the channel steel, the scale value corresponding to the channel steel graduated scale is the required adjustment value, and the required adjustment value can be observed more visually.

Further, the base comprises a mounting seat, an adjusting seat and at least three adjusting columns; the mounting seat is mounted on the ladder car operation platform; the adjusting columns are vertically arranged, and the bottoms of the adjusting columns are connected to the mounting seat; the adjusting seat is slidably sleeved on the at least three adjusting columns and is fixed on the at least three adjusting columns through a positioning mechanism; the caliper is slidably mounted on the adjustment block.

The beneficial effect of adopting the further scheme is that: by arranging the adjusting column and the positioning mechanism, one side of the adjusting seat can be independently adjusted to move upwards or downwards to adjust the levelness of the adjusting seat, and the adjusting seat can also be integrally moved upwards or downwards.

Further, the adjusting seat comprises a top plate and a bottom plate which are connected with each other, and the top plate is positioned above the bottom plate; a sliding groove perpendicular to the rail surface is formed in the top plate, and a sliding rail parallel to the sliding groove is arranged on the upper surface of the bottom plate; the slide rail is matched with the slide groove in a sliding mode, and the bottom of the slide rail is provided with a pulley mechanism which is matched with the slide rail in a rolling mode.

The beneficial effect of adopting the further scheme is that: the moving direction of the caliper is limited by the sliding groove and the sliding rail, and the stable movement of the caliper can be guaranteed.

Furthermore, a level gauge is arranged at the top of the adjusting seat.

The beneficial effect of adopting the further scheme is that: the levelness of the adjusting seat can be conveniently and visually observed by arranging the level gauge.

Further, the base is installed through the buckle on the railing of terraced car operation platform.

The beneficial effect of adopting the further scheme is that: the installation and the dismantlement of adjustment frock are convenient for through the buckle connection.

Drawings

Fig. 1 is a schematic structural view of a catenary adjustment tool of the utility model;

FIG. 2 is an enlarged view taken at A in FIG. 1;

fig. 3 is a side view of a schematic structural diagram of a catenary adjustment tool of the present invention;

FIG. 4 is an enlarged view at B in FIG. 3;

fig. 5 is a top view of a schematic structural diagram of the catenary adjustment tool of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. ladder car operation platform, 2, a pedestal, 21, the mount pad, 22, the adjustment seat, 221, the roof, 222, the bottom plate, 223, the spout, 224, the slide rail, 23, the adjustment post, 24, positioning mechanism, 25, the scale of drawing out value, 3, slide caliper rule, 31, the scale mark of drawing out value, 32, lead high slot hole, 33, lead high scale, 34, lead high window, 35, the channel-section steel slot hole, 36, the channel-section steel scale, 37, the channel-section steel window, 38, pulley mechanism, 4, lead high secondary scale, 41, lead high scale mark, 42, the alignment mark, 5, the channel-section steel secondary scale, 51, the channel-section steel scale mark, 6, the spirit level.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

As shown in fig. 1, 3 and 5, a contact net adjusting tool comprises a base 2, a caliper 3, a height guide auxiliary ruler 4 and a channel steel auxiliary ruler 5. A caliper 3 is horizontally slidably mounted on the base 2 for measuring the pullout value of the contact line. The height guide auxiliary ruler 4 is vertically slidably mounted on the caliper 3 and is used for measuring the height guide of the contact line. The channel steel secondary ruler can be vertically and slidably installed on the caliper 3 and used for measuring the height of the channel steel.

The base 2 includes a mounting seat 21, an adjusting seat 22, an adjusting column 23 and a positioning mechanism 24. The mount pad 21 is detachably mounted on the railing of the ladder car operation platform 1 through the buckle, so that the adjusting tool of the embodiment can be quickly and conveniently mounted or dismounted on the ladder car operation platform 1.

Four adjusting columns 23 are symmetrically arranged above the mounting base 21, and the adjusting base 22 is slidably sleeved on the four adjusting columns 23 and fixed on the four adjusting columns 23 through a positioning mechanism 24. Each adjusting column 23 is provided with a positioning mechanism 24, and the levelness of the adjusting seat 22 can be adjusted by adjusting one of the positioning mechanisms 24; the adjusting base 22 can also be moved up or down by integrally adjusting the four positioning mechanisms 24. The top of the adjustment seat 22 is provided with a level 6, and the level 6 may preferably be a universal bubble level for visually observing the levelness of the adjustment seat 22.

In this embodiment, the adjusting column 23 is an M10 adjusting bolt, and the bottom end of the M10 adjusting bolt is fixed on the upper surface of the mounting base 21 by welding. The positioning mechanism 24 is a positioning nut, each M10 adjusting bolt is in threaded connection with a set of two positioning nuts, the two positioning nuts of each set respectively abut against the upper surface and the lower surface of the adjusting seat 22, the adjusting seat 22 is fixed on the M10 adjusting bolt, and the levelness of the adjusting seat 22 can be adjusted by adjusting one set of positioning nuts. The adjusting column 23 and the positioning mechanism 24 can also be respectively selected from a round rod and a locking bolt or other structures capable of adjusting the height of the adjusting seat 22, which is not limited herein.

The mounting seat 21 is formed by welding square pipes or steel pipes of 30mm 3mm aluminum alloy. As shown in FIG. 4, the adjusting seat 22 comprises a top plate 221 and a bottom plate 222, wherein the top plate 221 is located above the bottom plate 222, the top plate 221 and the bottom plate 222 are both made of aluminum plates with a thickness of 5mm, and two opposite sides of the top plate 221 are fixed with the bottom plate 222 through welding by aluminum alloy square pipes with a thickness of 50mm & lt 50mm & gt 5 mm. The top of the top plate 221 is provided with a sliding groove 223, the upper surface of the bottom plate 222 is provided with two guide rails 224 parallel to the sliding groove 223, the lengths of the guide rails 224 and the sliding groove 223 are both 600mm, and the width of the sliding groove 223 is 5 mm.

The caliper 3 is made of stainless steel square steel 50mm x 5mm, and a pulley mechanism 38 is arranged at the bottom. The caliper 3 is slidably engaged with the slide groove 223, and the bottom of the caliper 3 extends between the top plate 221 and the bottom plate 222, so that the pulley mechanism 38 is in rolling engagement with the slide rail 224. The moving direction of the caliper 3 is defined by the slide groove 223 and the slide rail 224 at the same time, and the smooth movement of the caliper 3 can be ensured. The slide groove 223 is perpendicular to the rail surface, and the slide direction of the caliper 3 is perpendicular to the rail surface.

The one side of the bottom of slide caliper 3 is provided with the value scale mark 31 that draws, and roof 22 top is provided with the value scale 25 that draws. The drawn value scale mark 31 is matched with the drawn value scale 25, and the caliper 3 is horizontally moved, so that the change of the drawn value at each position of the contact line can be obtained through the reading change on the drawn value scale 25 corresponding to the drawn value scale mark 31. The top of the top plate 222 is further provided with a reserved long hole parallel to the sliding groove 223, and the pullout value scale 25 is slidably connected with the reserved length by an M4 bolt, so that the pullout value scale 25 can slide parallel to the sliding direction of the caliper 3.

The top of slide caliper rule 3 is seted up the vice chi draw-in groove of downwardly extending's of leading height and the vice chi draw-in groove of channel-section steel. The height guide auxiliary ruler 4 is made of 12mm multiplied by 2mm stainless square steel, the channel steel auxiliary ruler 5 is made of 17mm multiplied by 2mm stainless square steel, and the height guide auxiliary ruler 4 and the channel steel auxiliary ruler 5 are tightly inserted into the height guide auxiliary ruler clamping groove and the channel steel auxiliary ruler clamping groove respectively, so that the height guide auxiliary ruler 4 and the channel steel auxiliary ruler 5 can be vertically and slidably connected to the caliper 3 respectively. The side wall upper portions of the height guide auxiliary ruler 4 and the channel steel auxiliary ruler 5 are provided with baffles, so that the top of the height guide auxiliary ruler 4 or the channel steel auxiliary ruler 5 is prevented from sliding down into the height guide auxiliary ruler clamping groove or the channel steel auxiliary ruler clamping groove. The top of the height-guiding auxiliary ruler 4 is also provided with an alignment line 42, the alignment line 42 is positioned right above the drawn-value scale mark 31 at the bottom of the caliper 3, and the drawn-value scale mark 31 can be aligned with the contact line by aligning the alignment line 42 with the contact line.

As shown in fig. 2, a vertically extending height-guiding window 34 is disposed on the side wall of the caliper 3, a height-guiding scale mark 41 is disposed on the height-guiding auxiliary caliper 4, and the height-guiding window 34 is adapted to the height-guiding scale mark 41, so that the height-guiding scale mark 41 is always exposed from the height-guiding window 34. The side wall of the caliper 3 is also provided with a height guiding scale 33, the height guiding scale line 41 is matched with the height guiding scale 33, the height guiding auxiliary scale 4 is vertically moved, and the height guiding change of each contact line can be obtained through the reading change on the height guiding scale 33 corresponding to the height guiding scale line 41. The side wall of the caliper 3 is further provided with a vertically extending height guiding long hole 32, and the height guiding scale 33 is slidably connected with the height guiding long hole 32 through an M4 bolt, so that the height guiding scale 33 can vertically slide.

Be provided with the channel-section steel window 37 of vertical extension on slide caliper rule 3's the lateral wall, be provided with channel-section steel scale mark 51 on the vice chi 5 of channel-section steel, channel-section steel window 37 and channel-section steel scale mark 51 looks adaptation make channel-section steel scale mark 51 expose from channel-section steel window 37 all the time. Still be provided with channel-section steel scale 36 on slide caliper rule 3's the lateral wall, channel-section steel scale mark 51 and channel-section steel scale 36 looks adaptation, the vertical channel-section steel secondary ruler 5 that removes can obtain the change of the channel-section steel of contact wire each department through the reading change on the channel-section steel scale 36 that channel-section steel scale mark 51 corresponds. Still be provided with the channel-section steel slot hole 35 of vertical extension on slide caliper rule 3's the lateral wall, channel-section steel scale 36 passes through M4 bolt slidable ground and connects channel-section steel slot hole 35, makes channel-section steel scale 36 can vertical slip.

The specific method for adjusting the contact net comprises the following steps:

(a) and moving the ladder car operation platform 1 to a section of the straight line section of the line with the gradient of 0, and using a contact net laser measuring instrument to adjust the section to a standard value by random contact suspension and contact lines.

(b) The adjusting tool is arranged on the ladder car operation platform 1, and the positioning mechanism 24 is adjusted to enable the adjusting seat 22 to be horizontal.

(c) Stretching the height guide auxiliary ruler 4 until the alignment line 42 is aligned with the lowest point of the contact line, adjusting the height guide scale 33 to enable the 0 position of the height guide scale 33 to correspond to the height guide scale line 41, and screwing the corresponding M4 bolt for fastening; and the pullout value scale 25 is adjusted so that the 0 position of the pullout value scale 25 corresponds to the pullout value scale line 31, and is screwed with the corresponding M4 bolt for fastening. And meanwhile, the channel steel auxiliary ruler 5 is stretched to the bottom of the channel steel, the channel steel graduated scale 36 is adjusted, the position 0 of the channel steel graduated scale 36 corresponds to the channel steel graduated line 51, and the channel steel graduated scale is screwed and fastened by a corresponding M4 bolt.

(d) The ladder car working platform 1 is pushed to the contact suspension point to be adjusted. And (3) stretching the channel steel auxiliary ruler 5, wherein the reading of the channel steel graduated scale 36 corresponding to the channel steel graduated lines 51 is the adjustment amount required by the channel steel height, and the channel steel height and the levelness of the channel steel and the rail surface are adjusted according to the adjustment amount.

(e) After the channel steel is adjusted, the height guiding auxiliary ruler 4 is stretched to the alignment line 42 to be aligned with the lowest point of the contact line, the reading of the height guiding scale 33 corresponding to the height guiding scale mark 41 is the adjustment amount required for guiding the height, the reading of the pull-out value scale 25 corresponding to the pull-out value scale mark 31 is the adjustment amount required for pulling the value, and height guiding and pull-out value adjustment are carried out according to the adjustment amount.

(f) The ladder car operation platform 1 is pushed along the rail surface, and the height of the channel steel and the levelness, the height guide and the pull-out value of the channel steel and the rail surface are adjusted at each contact suspension point to be adjusted in sequence.

The utility model has the following advantages:

(1) greatly relieve the service pressure of contact net laser measuring instrument, improved the adjustment efficiency and the progress of contact net.

(2) Not only can adjust the lead height pull-out value, but also can adjust the channel steel, thereby improving the accuracy of the adjustment of the contact net

(3) Each scale is adjustable, and the required adjustment value can be observed more directly perceivedly.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A contact net adjusting tool is characterized by comprising a base (2), a caliper (3) and a height guide auxiliary caliper (4); the base (2) is arranged on the ladder car operation platform (1); the caliper (3) is slidably mounted on the base (2), and the sliding direction of the caliper (3) is perpendicular to the rail surface; a pull-out value scale (25) parallel to the sliding direction of the caliper (3) is arranged at the top of the base (2), and pull-out value scale marks (31) matched with the pull-out value scale (25) are arranged on the side wall of the caliper (3); but lead high vice chi (4) and install vertically with sliding on slide caliper rule (3), vertically be provided with on slide caliper rule (3) lead high scale (33), lead high vice chi (4) on be provided with lead high scale mark (41) of leading high scale (33) looks adaptation.

2. The catenary adjustment tool according to claim 1, wherein the height guide scale (33) is vertically slidably mounted on the caliper (3); the pull-out value scale (25) is mounted on the base (2) in a horizontally slidable manner, and the sliding direction is parallel to the sliding direction of the caliper (3).

3. The contact net adjusting tool according to claim 1, characterized by further comprising a channel steel auxiliary ruler (5); but install channel-section steel sublevel chi (5) vertical sliding callipers (3) are last, vertically on callipers (3) be provided with channel-section steel scale (36), be provided with on channel-section steel sublevel chi (5) with channel-section steel scale mark (51) of channel-section steel scale (36) looks adaptation.

4. The contact net adjusting tool according to claim 3, wherein a height guide auxiliary ruler clamping groove and a channel steel auxiliary ruler clamping groove which extend downwards are formed in the top of the caliper (3), the height guide auxiliary ruler (4) is slidably inserted into the height guide auxiliary ruler clamping groove, and the channel steel auxiliary ruler (5) is slidably inserted into the channel steel auxiliary ruler clamping groove; the side wall of the caliper (3) is provided with a vertically extending height guide window (34) communicated with the height guide auxiliary caliper clamping groove, and the height guide scale lines (41) are matched with the height guide window (34); the lateral wall of the caliper (3) is further provided with a channel steel window (37) which is communicated with the channel steel auxiliary ruler clamping groove and vertically extends, and the channel steel scale marks (51) are matched with the channel steel window (37).

5. The contact net adjusting tool according to claim 4, wherein baffles are arranged on the upper portions of the side walls of the height guide auxiliary ruler (4) and the channel steel auxiliary ruler (5).

6. The contact net adjusting tool according to claim 3, characterized in that the channel steel graduated scale (36) is vertically slidably mounted on the caliper (3).

7. The contact net adjusting tool according to claim 1, wherein the base (2) comprises a mounting seat (21), an adjusting seat (22) and at least three adjusting columns (23); the mounting seat (21) is mounted on the ladder car operation platform (1); the adjusting columns (23) are all vertically arranged, and the bottoms of the adjusting columns are all connected to the mounting base (21); the adjusting seat (22) is slidably sleeved on the at least three adjusting columns (23) and is fixed on the at least three adjusting columns (23) through a positioning mechanism (24); the caliper (3) is slidably mounted on the adjustment seat (22).

8. The catenary adjustment tool according to claim 7, wherein the adjustment seat (22) comprises a top plate (221) and a bottom plate (222) which are connected with each other, wherein the top plate (221) is located above the bottom plate (222); a sliding groove (223) perpendicular to the rail surface is formed in the top plate (221), and a sliding rail parallel to the sliding groove (223) is arranged on the upper surface of the bottom plate (222); slide rail (224) roll fit, slide rail (3) with spout (223) sliding fit, slide rail (38) bottom is provided with pulley mechanism (38), pulley mechanism (38) with slide rail (224).

9. The contact net adjusting tool according to claim 7, characterized in that a level gauge (6) is arranged at the top of the adjusting seat (22).

10. The contact net adjusting tool according to claim 1, wherein the base (2) is mounted on a rail of the ladder car operating platform (1) through a buckle.