CN220398401U - Telescopic vernier plug ruler for measuring size of escalator and elevator - Google Patents

Abstract

The utility model provides a telescopic vernier stopper ruler for measuring the sizes of an escalator and an elevator, and belongs to the technical field of measuring tools. It comprises the following steps: the utility model discloses a wedge, the top surface of wedge is provided with the clearance scale on the top surface of wedge, and the top of wedge installs the cursor slider that can be relative its gliding, the tip of wedge can stretch into in the clearance, the cursor slider is used for indicating the clearance size that surveys at clearance scale surface, the afterbody of wedge is provided with the straight scale body that extends out by it, the side of straight scale body and the side of wedge are provided with the straight scale that links up mutually, the straight scale body end is provided with the baffle, the straight scale body can stretch out and draw back relative the wedge. The vernier plug ruler can simultaneously realize the measurement of the meshing depth, the clearance and other related parameters of the tooth grooves of the comb plate and the pedal surface, has adjustable whole length, is convenient to carry and is convenient for dimension measurement in a narrow environment.

Description

A retractable vernier stopper ruler for sizing escalators and elevators

Technical field

The utility model relates to the technical field of measuring tools, in particular to a retractable vernier plug ruler used for dimensional measurement of escalators and elevators.

Background technique

According to the special equipment safety technical specifications TSG T7005-2012: "Elevator Supervision, Inspection and Periodic Inspection Rules - Escalators and Moving Walks", item 5.1 (comb teeth and comb tooth plates), visual inspection or measurement of the comb teeth and comb tooth plates Relevant data, during the inspection process, the inspection and inspection personnel judged the project through visual inspection or using a gap feeler to measure the gap between the comb teeth of the comb plate and the tooth groove of the pedal surface and using a tape measure to measure the meshing depth.

Among the plug gauges or steel ruler tools currently used in the inspection and testing industry, there is no comprehensive measurement tool that can not only measure the meshing depth but also directly measure the gap data between the comb teeth of the comb plate and the tooth grooves of the pedal surface. Therefore, it is necessary to make technical improvements to the current plug gauge.

In addition, there are many related data measurement items in the relevant manufacturing and installation safety standards and regulations of escalators and elevators, as well as supervision inspection and periodic inspection rules, which require the use of vernier feeler gauges, gap feeler gauges, and steel rulers on site to complete: For example: the distance between the outer edge of the escalator's handrails, the distance between the openings of the handrails, the gap between the steps and the apron board, the gap between the baseboards, the anti-pinch device, etc. The distance between the elevator car and the counterweight, the distance between the door and the sill, the door clearance, the door locking engagement distance, the door knife, the door lock roller and the sill clearance, etc.

Among the above-mentioned measurement projects, when measuring some of the projects, because the existing measurement tools are too long and the measurement environment is too narrow, the tools will interfere with the escalator or elevator during measurement, affecting measurement efficiency and measurement accuracy.

In view of the above reasons, the present utility model proposes a retractable vernier plug ruler for dimensional measurement of escalators and elevators, which can measure the meshing depth of the comb teeth of the comb plate and the tooth grooves of the pedal surface, and can also directly measure the comb plate. The gap between the comb teeth and the tooth grooves of the pedal surface is small, and its overall length can be adjusted telescopically, making it suitable for measurement projects in some narrow environments.

Utility model content

The purpose of this utility model is to provide a vernier plug ruler used for dimensional measurement of escalators and elevators. The vernier plug ruler can simultaneously realize the meshing depth and clearance between the comb teeth of the comb plate and the tooth grooves of the pedal surface, and is convenient for use in narrow environments. Use below.

The utility model provides a retractable vernier ruler used for dimensional measurement of escalators and elevators, which includes: a wedge-shaped ruler body, a feeler scale scale is provided on the top surface of the wedge-shaped ruler body, and the top of the wedge-shaped ruler body A vernier slider is installed that can slide relative thereto, and the tip of the wedge-shaped ruler can extend into the gap. The vernier slider is used to indicate the measured gap size on the scale surface of the feeler gauge. The wedge-shaped ruler The tail of the body is provided with a ruler body extending from it. The side surfaces of the ruler body and the side surfaces of the wedge-shaped ruler body are provided with connecting ruler scales. The ruler body can be relative to the wedge-shaped ruler body. Body stretch.

Preferably, a sliding groove is provided on the top side of the wedge-shaped scale body, and both sides of the bottom of the vernier slider can slide relatively along the sliding groove.

Preferably, the bottom of the vernier slider is provided with a U-shaped opening groove, the top of the wedge-shaped ruler is clamped inside the U-shaped opening groove, and the side walls of the U-shaped opening groove are provided with mounting screws. hole, the bead screw and the installation screw hole are connected through threaded fit, and the head of the bead screw is slidably installed in the chute.

Preferably, the axis of the slide groove is parallel to the top surface of the wedge-shaped ruler body, and the number of the ball screws is two.

Preferably, the top of the vernier slider is provided with a boss for pushing and pulling.

Preferably, the end of the ruler body is provided with a baffle perpendicular thereto.

Preferably, a receiving groove adapted to the ruler body is provided in the wedge-shaped ruler body, an end of the ruler body away from the baffle is located in the receiving groove, and the ruler body extends into The length of the receiving groove is adjustable.

Preferably, an auxiliary scale line is provided on the side of the ruler body opposite to the ruler scale, and the auxiliary scale line is located between the baffle and the wedge-shaped ruler body.

Preferably, the slope of the wedge-shaped ruler body is 15°-30°.

Preferably, the thickness of the wedge-shaped ruler body is no more than 5 mm.

Compared with the existing technology, the technical solution of the present utility model has the following beneficial effects:

1. The utility model's vernier plug ruler can integrate the functions of various existing tools into one, is easy to carry, and reduces the number of tools that inspection and testing personnel carry in their daily work;

2. Provides a comprehensive tool that can not only measure the gap between the escalator comb teeth and the tooth grooves of the pedal surface, but also directly measure the meshing depth data, solving the problem that the plug gauge or steel ruler tools currently used in the inspection and testing industry cannot solved problem;

3. The ruler body can expand and contract relative to the wedge-shaped ruler body, so that the overall length of the vernier ruler can be shortened, which can adapt to narrow measurements, save on-site inspection time, improve work efficiency and the accuracy of inspection items, and is convenient carry;

4. Simple structure, easy to install and manufacture.

Description of the drawings

In order to more clearly explain the specific embodiments of the present invention or the technical solutions in the prior art, the drawings that need to be used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description The accompanying drawings illustrate some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without exerting creative efforts.

Figure 1 is a schematic front structural view of the utility model's vernier plug ruler;

Figure 2 is a schematic rear structural view of the utility model's vernier plug ruler (the ruler body is extended);

Figure 3 is a schematic rear structural view of the utility model's vernier plug ruler (the ruler body is retracted).

Explanation of reference symbols:

1: Vernier slider; 2: Feeler scale; 3: Wave ball screw; 4: Wedge-shaped ruler body; 5: Auxiliary scale line; 6: Baffle; 7: Ruler scale; 8: Ruler body; 9: Slide groove.

Detailed ways

The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present utility model.

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", The directions indicated by "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" etc. Or the positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operation, therefore it cannot be construed as a limitation of the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "plurality" means two or more, unless otherwise clearly and specifically limited. In addition, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can It is directly connected, or it can be indirectly connected through an intermediary, or it can be an internal connection between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figures 1, 2, and 3, the utility model provides a vernier ruler used for dimensional measurement of escalators and elevators, which includes: a wedge-shaped ruler body 4, and a feeler scale scale is provided on the top surface of the wedge-shaped ruler body 4 2. The top of the wedge-shaped ruler body 4 is equipped with a vernier slider 1 that can slide relative to it. The tip of the wedge-shaped ruler body 4 can extend into the gap between the comb teeth of the comb plate and the tooth groove of the pedal surface. The vernier slider 1 slides The reached position is used to indicate the measured gap size on the surface of the feeler gauge scale 2. The tail of the wedge-shaped ruler body 4 is provided with a ruler body 8 extending from it. One side of the ruler body 8 and the wedge-shaped ruler body 4 The side surfaces are coplanar and are provided with ruler scales 7 whose scale mark values are connected. The ruler body 8 can expand and contract relative to the wedge-shaped ruler body 4 .

Specifically, a chute 9 is provided on the top side of the wedge-shaped ruler body 4 . The axis of the chute 9 is parallel to the top surface of the wedge-shaped ruler body 4 . Both sides of the bottom of the vernier slider 1 can slide relative to each other along the chute 9 . In this embodiment, the bottom of the vernier slider 1 is provided with a U-shaped opening groove, the top of the wedge-shaped ruler body 4 is clamped inside the U-shaped opening groove, and the side walls of the U-shaped opening groove are provided with mounting screw holes. The number of bead screws 3 is two. The bead screws 3 are connected to the installation screw holes through threads, and the head of the bead screws 3 is slidably installed in the chute. By tightening the bead screws 3, the vernier slider 1 can be The position is fixed, and the vernier slider 1 is disassembled by unscrewing the ball screw 3.

In this embodiment, the top of the vernier slider 1 is provided with a boss protruding relative thereto. During use, the boss can be conveniently held or pinched to push and pull, thereby measuring the gap size. The scale position of the measured gap is determined by sliding the cursor slider 1. The scale display value of the feeler gauge scale 2 indicated by the cursor slider 1 is the size of the gap of the measured object. Its measurable range is 0-14mm. The minimum scale is 0.5mm.

In this embodiment, the measurable range of the ruler scale 7 is 0-80mm, and the minimum scale is 1mm. It can be used as a ruler. When in use, the bottom end of the ruler body 8 can be inserted into the gap between the teeth of the comb plate. And flush with its lower end surface, then the scale of the ruler scale 7 at the aligned position of the upper end surface of the comb teeth is the meshing depth, and the length of any object can be directly measured through the ruler scale 7.

In this embodiment, the end of the ruler body 8 is provided with a baffle 6 perpendicular to it, and the wedge-shaped ruler body 1 is provided with a strip-shaped receiving groove that matches the outer contour of the ruler body 8. The ruler The end of the body 8 away from the baffle 6 is located in the accommodating groove, and the length of the ruler body 8 extending into the accommodating groove is adjustable. When it is necessary to use the ruler body 8 for length measurement, pull it out completely. When it is not needed, When the wedge-shaped ruler body 4 is needed to measure the gap, the ruler body 8 extends into the receiving groove to avoid interference with the components of the escalator or elevator during measurement. It can be used in narrow measurement environments and is easy to carry. The side of the ruler body 8 opposite to the ruler scale 7 is provided with an auxiliary scale mark 5. The auxiliary scale mark 5 is located between the baffle 6 and the wedge-shaped ruler body 4. Its measurable range is 0-25mm, and the minimum scale is 1mm. When measuring, the baffle 6 can be inserted into the lower end surface of the tooth groove gap on the comb plate surface, and then pulled upward until it is aligned with the upper end surface of the comb teeth. At this time, the scale value of the aligned auxiliary scale line 5 is the meshing depth. .

In this embodiment, the slope of the wedge-shaped ruler body 4 is 15° to 30°. The wedge-shaped ruler body 4 has a light and thin structure, and its thickness is no more than 5mm, which can ensure that it can extend into the tooth grooves of the comb teeth of the comb plate and the pedal surface. Measure within the gap.

This utility model vernier plug ruler is compatible with the functions of vernier feeler ruler, gap ruler, steel ruler and some tape measures. It is a comprehensive measuring tool. Its working principle is as follows: Usage occasion 1: As shown in Figure 1, The tip of the wedge-shaped ruler body 4 extends into the gap to be measured. By pushing the vernier slider 1 on the top of the wedge-shaped ruler body 4 to slide back and forth, it can be fixed with the ball screw 3, and then record the corresponding position on the left side of the vernier slider 1 The data of feeler gauge scale 2, its scale display value is the gap size of the measured object; Usage occasion 2: As shown in Figure 1, hold the wedge-shaped ruler body 4, fully extend the ruler body 8, and insert the baffle 6 Insert the lower end surface of the tooth groove gap on the comb plate surface, and then pull it upward until it is aligned with the upper end surface of the comb teeth. At this time, the auxiliary scale line 5 at the aligned position is the meshing depth. After use, extend the ruler body 8 into Inside the wedge-shaped ruler body 4, it is easy to carry, as shown in Figure 3; usage occasion three: as shown in Figure 2, fully extend the ruler body 8, and hold the wedge-shaped ruler body 4 to use the ruler scale 7 on its side to adjust any The length of an object is measured directly.

In summary, this utility model can measure the gap and meshing depth between the comb teeth of the comb plate and the pedal surface, and is compatible with the functions of vernier feeler gauges, gap feeler gauges, steel rulers, and tape measures. Compared with existing tools, the utility model has a simple structure, is easy to install and manufacture, is easy to carry, and is easy to use in a narrow environment. It can reduce measurement errors, improve the accuracy of inspection project data, and reduce the daily routine of inspection and testing personnel. The number of work tools carried improves the quality of inspection.

Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it. Although the present utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that : It is still possible to modify the technical solutions recorded in the foregoing embodiments, or to equivalently replace some or all of the technical features; and these modifications or substitutions do not deviate from the essence of the corresponding technical solutions from the embodiments of the present invention. Scope of technical solutions.

Claims (10)

1. A retractable vernier ruler used for dimensional measurement of escalators and elevators, which is characterized in that it includes: a wedge-shaped ruler body, a feeler scale scale is provided on the top surface of the wedge-shaped ruler body, and the wedge-shaped ruler body The top of the scale is equipped with a vernier slider that can slide relative to it. The tip of the wedge-shaped ruler body can extend into the gap. The vernier slider is used to indicate the measured gap size on the scale surface of the feeler gauge. The tail of the wedge-shaped ruler body is provided with a ruler body extending from it. The side surfaces of the ruler body and the side surfaces of the wedge-shaped ruler body are provided with connected ruler scales. The ruler body can be relative to the ruler body. The wedge-shaped ruler body expands and contracts. 2. The retractable vernier plug ruler for dimensional measurement of escalators and elevators according to claim 1, characterized in that a chute is provided on the top side of the wedge-shaped ruler body, and a chute is provided on both sides of the bottom of the vernier slider. can slide relatively along the slide groove. 3. The retractable vernier plug ruler for dimensional measurement of escalators and elevators according to claim 2, characterized in that the bottom of the vernier slider is provided with a U-shaped opening groove, and the top of the wedge-shaped ruler body is clamped A mounting screw hole is provided on the inside of the U-shaped opening slot and on the side wall of the U-shaped opening slot. The wave ball screw is connected to the mounting screw hole through a threaded fit, and the head of the ball ball screw Slidingly installed in the chute. 4. The retractable vernier plug ruler for dimensional measurement of escalators and elevators according to claim 3, characterized in that the axis of the chute is parallel to the top surface of the wedge-shaped ruler body, and the wave bead screw The quantity is two. 5. The retractable vernier stopper ruler for dimensional measurement of escalators and elevators according to claim 1, characterized in that the top of the vernier slider is provided with a boss for pushing and pulling. 6. The retractable vernier stopper ruler for dimensional measurement of escalators and elevators according to claim 1, characterized in that the end of the ruler body is provided with a baffle perpendicular thereto. 7. The retractable vernier plug ruler for dimensional measurement of escalators and elevators according to claim 6, characterized in that a receiving groove adapted to the ruler body is provided in the wedge-shaped ruler body, and the The end of the ruler body away from the baffle is located in the accommodation groove, and the length of the ruler body extending into the accommodation groove is adjustable. 8. The retractable vernier stopper ruler for dimensional measurement of escalators and elevators according to claim 6, characterized in that an auxiliary scale line is provided on the side of the ruler body opposite to the ruler scale, The auxiliary scale line is located between the baffle and the wedge-shaped scale body. 9. The retractable vernier stopper ruler for dimensional measurement of escalators and elevators according to claim 1, characterized in that the slope of the wedge-shaped ruler body is 15°-30°. 10. The retractable vernier stopper ruler used for dimensional measurement of escalators and elevators according to claim 1, characterized in that the thickness of the wedge-shaped ruler body is not greater than 5 mm.