CN217132073U

CN217132073U - Gap interval measuring tool

Info

Publication number: CN217132073U
Application number: CN202123078532.1U
Authority: CN
Inventors: 许学平; 陆志强; 许晓伊; 陈同新; 王超熠; 谢涛
Original assignee: Shanghai Rail Transit Maintenance Support Co ltd
Current assignee: Shanghai Rail Transit Maintenance Support Co ltd
Priority date: 2021-12-09
Filing date: 2021-12-09
Publication date: 2022-08-05
Anticipated expiration: 2031-12-09

Abstract

The utility model discloses a space interval measuring tool, include: the first end of the main rod is provided with a graduated scale, and the second end of the main rod is provided with a first measuring claw; the first end and the second end of the main rod are oppositely arranged; the moving rod is positioned between the first end of the main rod and the first measuring jaw and is connected with the main rod in a sliding manner; one end of the moving rod, which is close to the graduated scale, is provided with a pointer, and one end of the moving rod, which is far away from the graduated scale, is provided with a second measuring claw; the second measuring claw and the first measuring claw are oppositely arranged and respectively attached to two end faces of the gap to be measured, so that the pointer points to the scale value on the scale to obtain the space of the gap. The utility model discloses can measure the clearance interval, reduce working strength simultaneously by a wide margin, improve measurement of efficiency and maintenance efficiency.

Description

Gap interval measuring tool

Technical Field

The utility model relates to a measure technical field, especially relate to a space interval measuring tool for subway train door overhauls.

Background

With the gradual expansion of the operation scale of subways and the annual increase of transportation capacity, in order to ensure the use reliability of passenger compartment doors, the inspection of the gap distance between the lower surface of a door panel of a passenger compartment door and a floor surface is included in each balance repair regulation.

For distance measurement, the existing distance measuring tools include an inner clamp, an outer clamp, a ruler, a vernier caliper and the like. However, a subway train generally has 56 doors, and each door is usually provided with 4 ranging points in the balance repair procedure, so that the number of the ranging points of one subway train is up to 224. Because the position of passenger room door plant lower surface is lower, if adopt current range finding instrument, the staff all will lie prone at every range finding point and continue the measurement, lead to whole maintenance process to waste time and energy, and working strength is big, and maintenance efficiency is low and measurement accuracy is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a space interval measuring tool can measure the space interval, reduces working strength simultaneously by a wide margin, improves measurement of efficiency and maintenance efficiency.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

a void spacing measurement tool, comprising:

the first end of the main rod is provided with a graduated scale, and the second end of the main rod is provided with a first measuring claw; the first end and the second end of the main rod are oppositely arranged;

the moving rod is positioned between the first end of the main rod and the first measuring jaw and is connected with the main rod in a sliding manner; one end of the moving rod, which is close to the graduated scale, is provided with a pointer, and one end of the moving rod, which is far away from the graduated scale, is provided with a second measuring claw;

the second measuring claw and the first measuring claw are oppositely arranged and respectively attached to two end faces of the gap to be measured, so that the pointer points to the scale value on the scale to obtain the space of the gap.

Preferably, a sliding groove is formed between the first end and the second end of the main rod, and the moving rod reciprocates along the sliding groove.

Preferably, the gap distance measuring tool further includes: the pointer seat is fixedly connected with one end of the movable rod, which is close to the graduated scale; and the pointer is arranged on the pointer seat.

Preferably, the gap distance measuring tool further includes:

the fixed block is positioned between the pointer seat and the second measuring claw and is fixedly connected with the main rod; a blind hole is formed in one end, close to the pointer seat, of the fixed block;

the first end of the connecting rod is fixedly connected with the pointer seat, and the second end of the connecting rod extends into the blind hole; the first end and the second end of the connecting rod are oppositely arranged;

the spring is arranged in the blind hole and is abutted against the second end of the connecting rod; the spring drives the second measuring claw to be attached to the end face of the gap through the connecting rod and the pointer seat.

Preferably, the gap distance measuring tool further includes: and the locking device is arranged at one end, close to the pointer seat, of the fixed block and is used for fastening the connecting rod when the second measuring claw and the first measuring claw are respectively attached to two end faces of the gap.

Preferably, the second measuring jaw and the first measuring jaw are respectively attached to two end faces of the gap, and the spring is in a compressed state.

Preferably, the second measuring claw is attached to the first measuring claw, and the pointer points to the first scale value on the scale; and the first scale value is the sum of the thicknesses of the first measuring claw and the second measuring claw.

Preferably, the end face of the first measuring claw far away from the graduated scale is attached to one end face of the gap, the end face of the second measuring claw close to the graduated scale is attached to the other end face of the gap, and the pointer points to a second scale value on the graduated scale; and the second scale value is the spacing of the voids.

Preferably, the gap distance measuring tool further includes: horizontal pearl, with the first end tip fixed connection of mobile jib is used for right the roughness of mobile jib calibrates.

Compared with the prior art, the utility model at least has one of following advantage:

the utility model provides a space interval measuring tool, a graduated scale and a first measuring claw are respectively arranged at two ends of a main rod, and a pointer and a second measuring claw are respectively arranged at two ends of a moving rod which is in sliding connection with the main rod; the second measuring claw and the first measuring claw are respectively attached to two end faces of the gap to be measured, so that the pointer can point to the scale value on the scale, and the space between the gaps is obtained.

The utility model discloses well carriage release lever can follow the spout and carry out reciprocating motion to can realize that the second measures the laminating of claw and first measurement claw, first measurement claw and second measure the laminating of claw respectively with the space both ends face that awaits measuring, and the removal of pointer, and then accomplish the measurement to the space interval.

The utility model discloses well scale and first measuring claw set up respectively in the both ends of mobile jib for the staff need not lie prone down, squat a little or bow state down alright measure with the interval in space between to subway guest room door plant lower surface and the floor upper surface, thereby reduce working strength by a wide margin, improve measurement of efficiency and maintenance efficiency.

The utility model discloses well spring can be connected with the carriage release lever through connecting rod and pointer seat to make the second measure the claw can be under the effect of spring automatically and closely with the terminal surface laminating in space, make measurement convenient more and measuring result more accurate.

The utility model discloses in whether bubble through observing in the horizontal pearl is placed in the middle, can judge whether the mobile jib is in vertical state, be convenient for adjust the roughness of mobile jib to improve space interval measuring precision.

Drawings

Fig. 1 is a schematic structural diagram of a gap distance measuring tool according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a moving rod in a gap distance measuring tool according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating a gap distance measuring tool according to an embodiment of the present invention;

fig. 4 is a partial cross-sectional view of a void space measuring tool according to an embodiment of the present invention.

Detailed Description

The following provides a further detailed description of a gap distance measuring tool according to the present invention with reference to the accompanying drawings and the detailed description thereof. The advantages and features of the present invention will become more apparent from the following description. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention. To make the objects, features and advantages of the present invention more comprehensible, please refer to the attached drawings. It should be understood that the structure, proportion, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limitation of the implementation of the present invention, so that the present invention does not have the essential technical meaning, and any modification of the structure, change of the proportion relation or adjustment of the size should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function and the achievable purpose of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Referring to fig. 1 to 4, the present embodiment provides a tool for measuring a gap distance, including: a main rod 110, a first end of which is provided with a graduated scale 111 and a second end of which is provided with a first measuring jaw 112; the first end and the second end of the main rod 110 are oppositely arranged; a movable rod 120, which is located between the first end of the main rod 110 and the first measuring jaw 112, and is slidably connected to the main rod 110; a pointer 121 is arranged at one end, close to the graduated scale 111, of the moving rod 120, and a second measuring claw 122 is arranged at one end, far away from the graduated scale 111, of the moving rod 120; the second measuring claw 122 and the first measuring claw 112 are oppositely arranged, and the second measuring claw 122 and the first measuring claw 112 are respectively attached to two end faces of the gap 100 to be measured, so that the pointer 121 points to the scale value on the scale 111 to obtain the distance between the gaps 100.

Referring to fig. 1, 2 and 3, a sliding slot is formed between the first end and the second end of the main rod 110, and the movable rod 120 reciprocates along the sliding slot.

It will be appreciated that in some other embodiments, the second measuring jaw 122 is attached to the first measuring jaw 112, and the pointer 121 points to the first scale value on the scale 111; and the first scale value is the sum of the thicknesses of the first measuring jaw 112 and the second measuring jaw 122.

In some embodiments, the end surface of the first measuring jaw 112 away from the scale 111 abuts against one end surface of the gap 100, the end surface of the second measuring jaw 122 adjacent to the scale 111 abuts against the other end surface of the gap 100, and the pointer 121 points to a second scale value on the scale 111; and the second scale value is the pitch of the voids 100.

Specifically, the movable rod 120 may be slidably connected to the main rod 110 through the sliding groove, and the main rod 110, the movable rod 120, and the sliding groove have the same long side direction. The carriage release lever 120 is followed the spout carries out reciprocating motion's in-process, can realize the second measure claw 122 with the laminating of first measurement claw 112, first measurement claw 112 is kept away from the terminal surface of scale 111 with the laminating of a space 100 terminal surface, the second is measured claw 122 and is close to scale 111's terminal surface with the laminating of another terminal surface in space 100, and pointer 121's removal, thereby can be right the interval in space 100 is measured, but the utility model discloses do not use this as the limit.

More specifically, when the distance between the lower surface of the door panel 101 of the subway passenger compartment and the upper surface of the floor 102 in the gap 100 is measured, the second measuring claw 122 needs to be attached to the first measuring claw 112, that is, the end surface of the second measuring claw 122 far away from the graduated scale 111 is attached to the end surface of the first measuring claw 112 close to the graduated scale 111; then, the second measuring jaw 122 and the first measuring jaw 112 in the attached state are inserted into the gap 100; then, the end face of the first measuring claw 112 away from the graduated scale 111 is attached to one end face of the gap 100, namely the upper surface of the floor panel 102, and the end face of the second measuring claw 122 close to the graduated scale 111 is attached to the other end face of the gap 100, namely the lower surface of the door panel 101; finally, the second scale value pointed by the pointer 121 is read, so that the distance of the gap 100 can be obtained, but the present invention is not limited thereto.

In this embodiment, the thicknesses of the first measuring jaw 112 and the second measuring jaw 122 may be 2mm, respectively, and the sum of the thicknesses of the first measuring jaw 112 and the second measuring jaw 122 when they are attached to each other is 4mm, that is, the first scale value is 4mm, so that the minimum gap distance measurable by the gap distance measuring tool is 4 mm. The maximum gap distance of the gap measurable by the gap distance measuring tool can be 50-60 mm, so that the gap distance measuring tool can meet the requirement for measuring the gap distance between the door and the floor of a passenger room of most subway trains, and has good applicability. Preferably, the maximum gap distance of the gap measurable by the gap distance measuring tool may be 54mm, but the present invention is not limited thereto.

Specifically, scale 111 can pass through the screw with mobile jib 110 fixed connection, just scale 111 is located the first end of mobile jib 110 for the staff need not lie prone, squat a little or bow state down alright measure with the interval in space between subway guest room door plant 101 lower surface and the floor 102 upper surface, thereby reduce working strength by a wide margin, improve measurement of efficiency and maintenance efficiency. Preferably, the height of the main rod 110 may be greater than 20cm, but the utility model is not limited thereto.

In this embodiment, the main lever 110 may be divided into an upper portion and a lower portion, wherein the lower portion is 1/7 portion of the main lever 110 including the first measuring jaw 112, and the rest portion is the upper portion. The upper portion and the lower portion may be provided separately, and the upper portion and the lower portion may be connected by a spring pin. Preferably, the material of the upper portion of the main rod 110 may be T6 aluminum alloy, and the material of the lower portion may be 304 steel, so as to reduce the weight of the tool as much as possible while satisfying the structural rigidity and reliability requirements, so that the tool is convenient to carry.

With continued reference to fig. 1, the void-to-space measurement tool further includes: a pointer base 130 fixedly connected to one end of the movable rod 120 close to the scale 111; and the pointer 121 is disposed on the pointer base 130.

Specifically, in this embodiment, the pointer 121 may be a line engraved on the pointer base 130; when the pointer base 130 is displaced along with the moving rod 120, the pointer 121 is also displaced and points to the corresponding scale value on the scale 111, so as to obtain the distance between the gaps 100. Preferably, the pointer base 130 may be fixedly connected to the moving rod 120 by a spring pin, but the present invention is not limited thereto.

Referring to fig. 1 and 4, the tool for measuring a gap distance further includes: a fixed block 140 located between the pointer base 130 and the second measuring jaw 122 and fixedly connected to the main rod 110; a blind hole is formed at one end of the fixed block 140 close to the pointer base 130; a first end of the connecting rod 150 is fixedly connected with the pointer base 130, and a second end thereof extends into the blind hole; and the first end and the second end of the connecting rod 150 are oppositely arranged; a spring 160 disposed in the blind hole and abutting against the second end of the connecting rod 150; the spring 160 drives the second measuring claw 122 to be attached to the end surface of the gap 100 through the connecting rod 150 and the pointer base 130.

It will be appreciated that in some other embodiments, the standoff distance measurement tool further comprises: and a locking device 170, disposed at one end of the fixed block 140 close to the pointer base 130, for fastening the connecting rod 150 when the second measuring jaw 122 and the first measuring jaw 112 are respectively attached to two end surfaces of the gap 100.

In some embodiments, the second measuring jaw 122 and the first measuring jaw 112 respectively engage with two end surfaces of the gap 100, and the spring 160 is in a compressed state.

Specifically, in this embodiment, the connecting rod 150 may be a cylindrical rod; one end of the pointer base 130 close to the fixed block 140 may be provided with a cylindrical hole, and the first end of the connecting rod 150 may be nested in the cylindrical hole to be fixedly connected with the pointer base 130. In addition, before the second end of the connecting rod 150 extends into the blind hole, the spring 160 needs to be placed in the blind hole, so that the second end of the connecting rod can abut against one end of the spring 160 away from the first measuring jaw 112 after extending into the blind hole, and the spring 160 can be compressed under force. Preferably, the fixing block 140 and the main rod 110 may be integrally provided, but the present invention is not limited thereto.

Specifically, in this embodiment, a worker may hold the main rod 110 and pull the pointer base 130 downward, so that the pointer base 130 drives the moving rod 120 to move downward, thereby implementing the attachment of the second measuring claw 122 and the first measuring claw 112; meanwhile, the pointer base 130 also drives the connecting rod 150 to compress the spring 160, so that the spring 160 is in a compressed state. The second measuring claw 122 and the first measuring claw 112 in the fitting state are inserted into the gap 100, and the first measuring claw 112 is far away from the end face of the graduated scale 111 and one end face of the gap 100 is fitted, the pointer base 130 can be loosened, the spring 160 compressed at the moment can generate a force for recovering the original length, namely an upward force, and can drive the connecting rod 150 and the pointer base 140 to move upwards, so that the moving rod 120 connected with the pointer base 140 is driven to move upwards, and then the second measuring claw 122 can be automatically and tightly fitted with the other end face of the gap 100 under the action of the spring 160, so that the measuring work is more convenient and the measuring result is more accurate. The second measuring jaw 122 and the first measuring jaw 112 respectively with the both ends face laminating back in space 100 can rotate locking device 170 makes connecting rod 150 no longer removes, thereby makes the carriage release lever 120 no longer removes, and then makes pointer 121 can point to steadily the second scale interval, is convenient for read the second scale interval, but the utility model discloses do not use this as the limit.

Specifically, in this embodiment, a threaded hole may be formed at one end of the fixed block 140 close to the pointer base 130; the surface of the locking device 170 is threaded, so that the locking device 170 can be fixedly connected with the fixed block 140 through the threaded hole. When the connecting rod 150 needs to be fastened, the locking device 170 can penetrate through the threaded hole to abut against the connecting rod 150 extending into the blind hole and press the connecting rod 150, so that the connecting rod 150 cannot move; when the connecting rod 150 is not required to be fastened, the locking device 170 is not in contact with the connecting rod 150. Preferably, the locking device 170 may be a screw, but the present invention is not limited thereto.

With continued reference to fig. 1, the void-to-space measurement tool further includes: and a horizontal bead 190 fixedly connected to the first end of the main rod 110, for calibrating the flatness of the main rod 110.

Specifically, in this embodiment, the horizontal bead 190 may be fixedly connected to the main rod 110 through a horizontal bead seat 200; the horizontal ball seat 200 is fixedly connected to the first end of the main rod 110, and the horizontal ball 190 is fixed to an end surface of the horizontal ball seat 200 away from the first measuring jaw 112. Through observing whether bubble in the horizontal pearl 190 is placed in the middle, can judge whether mobile jib 110 is in vertical state, is convenient for adjust the roughness of mobile jib 110 to improve the precision of space interval measurement. Preferably, the horizontal bead 190 and the horizontal bead seat 200 may be adhered by glue, and the horizontal bead seat 200 and the main rod 110 may be connected by a spring pin, but the present invention is not limited thereto.

In other embodiments, the horizontal bead 190 may also be disposed on other end surfaces of the horizontal bead seat 200 to determine whether the main rod is in a horizontal state, but the present invention is not limited thereto.

In addition, in this embodiment, a plurality of stoppers 180 may be disposed on the fixed block 140 and the main bar 110 to prevent the moving bar 120 from falling.

In summary, in the gap distance measuring tool provided by this embodiment, the two ends of the main rod are respectively provided with the scale and the first measuring claw, and the two ends of the moving rod slidably connected to the main rod are respectively provided with the pointer and the second measuring claw; the second measuring claw and the first measuring claw are respectively attached to two end faces of the gap to be measured, so that the pointer can point to the scale value on the scale, and the space between the gaps is obtained. In the embodiment, the graduated scale and the first measuring claw are respectively arranged at two ends of the main rod, so that a worker can measure the space between the lower surface of the door panel of the door of the subway passenger room and the upper surface of the floor in a slightly squat or stooped state without bending over, thereby greatly reducing the working strength and improving the measuring efficiency and the maintenance efficiency; the second measuring claw can be automatically and tightly attached to the end face of the gap under the action of the spring, so that the measuring work is more convenient and the measuring result is more accurate.

While the present invention has been described in detail with reference to the preferred embodiments thereof, it should be understood that the above description should not be taken as limiting the present invention. Numerous modifications and alterations to the present invention will become apparent to those skilled in the art upon reading the foregoing description. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims

1. A void space measurement tool, comprising:

the first end of the main rod (110) is provided with a graduated scale (111), and the second end of the main rod is provided with a first measuring claw (112); the first end and the second end of the main rod (110) are oppositely arranged;

a movable rod (120) located between the first end of the main rod (110) and the first measuring jaw (112), and slidably connected with the main rod (110); a pointer (121) is arranged at one end, close to the graduated scale (111), of the moving rod (120), and a second measuring claw (122) is arranged at one end, far away from the graduated scale (111), of the moving rod (120);

the second measuring claw (122) and the first measuring claw (112) are arranged oppositely, and the second measuring claw (122) and the first measuring claw (112) are respectively attached to two end faces of the gap (100) to be measured, so that the pointer (121) points to the scale value on the scale (111) to obtain the distance between the gaps (100).

2. The tool for measuring gap distance according to claim 1, wherein a sliding groove is provided between the first end and the second end of the main lever (110), and the moving lever (120) reciprocates along the sliding groove.

3. The standoff measurement tool of claim 1 further comprising: the pointer seat (130) is fixedly connected with one end, close to the graduated scale (111), of the movable rod (120); and the pointer (121) is arranged on the pointer seat (130).

4. The void spacing measurement tool of claim 3, further comprising:

the fixed block (140) is positioned between the pointer base (130) and the second measuring claw (122) and is fixedly connected with the main rod (110); a blind hole is formed in one end, close to the pointer seat (130), of the fixed block (140);

a connecting rod (150), a first end of which is fixedly connected with the pointer seat (130), and a second end of which extends into the blind hole; and the first end and the second end of the connecting rod (150) are oppositely arranged;

a spring (160) disposed within the blind bore in abutment with the second end of the connecting rod (150); the spring (160) drives the second measuring claw (122) to be attached to the end face of the gap (100) through the connecting rod (150) and the pointer seat (130).

5. The standoff distance measurement tool of claim 4 further comprising: and the locking device (170) is arranged at one end, close to the pointer seat (130), of the fixed block (140) and used for fastening the connecting rod (150) when the second measuring claw (122) and the first measuring claw (112) are respectively attached to two end faces of the gap (100).

6. The gap spacing measuring tool according to claim 4, wherein the second measuring jaw (122) and the first measuring jaw (112) respectively abut both end surfaces of the gap (100), and the spring (160) is in a compressed state.

7. The standoff distance measurement tool of claim 1 wherein,

the second measuring claw (122) is attached to the first measuring claw (112), and the pointer (121) points to a first scale value on the graduated scale (111); and the first scale value is the sum of the thicknesses of the first measuring jaw (112) and the second measuring jaw (122).

8. The standoff distance measurement tool of claim 7 wherein,

the end face, far away from the graduated scale (111), of the first measuring claw (112) is attached to one end face of the gap (100), the end face, close to the graduated scale (111), of the second measuring claw (122) is attached to the other end face of the gap (100), and the pointer (121) points to a second scale value on the graduated scale (111); and the second scale value is the pitch of the voids (100).

9. The void spacing measurement tool of claim 1, further comprising: the horizontal bead (190) is fixedly connected with the first end of the main rod (110) and used for calibrating the flatness of the main rod (110).