CN108892024A - Automatic staircase comb plate safety protection switch trigger force measuring device and measuring method - Google Patents

Abstract

The invention provides a trigger force measuring device and a measuring method for a safety protection switch of an escalator comb plate. A fixed structure, a tension-pressure transmission structure and a tension-pressure measurement structure are assembled on the main structure, and the measuring device is fixed at an appropriate position through the fixing structure. The thread transmission mechanism controls the expansion and contraction of the detection head, simulates the scene of the escalator comb plate in the real scene, triggers the safety switch, measures the trigger force of the comb plate safety switch, adjusts the safety switch trigger mechanism, and makes the comb plate safety switch The trigger force is within the set safe trigger force range to ensure the normal and safe operation of the escalator; the structure of the device is simple and reasonable, the measurement is fast and accurate, and only one person can complete the operation adjustment, which greatly improves the safety and reliability of the escalator operation , At the same time, it saves the detection labor cost and improves the detection efficiency, which is of great significance to the safe operation of the escalator.

Description

Measuring device and method for triggering force of escalator comb safety protection switch

technical field

The invention belongs to the technical field of special electromechanical equipment, and in particular relates to a trigger force measuring device and a measuring method for a safety protection switch of an escalator comb plate.

Background technique

The escalator is used more and more frequently in daily life, and has even become an indispensable infrastructure every day. During the operation of the escalator, it is inevitable that some foreign objects will be stuck into the comb plate of the escalator At this time, if the elevator continues to run, it will inevitably cause safety accidents. Therefore, the escalator comb safety protection device is generally installed at the safety comb plate at the exit and entry ends of the escalator; during the operation of the escalator Generally, the safety protection device is arranged under the floor plate, that is, at the entrance and exit of the escalator or moving walk, under the metal plate connected with the comb plate, and the safety protection device is connected with a safety protection switch, which is used to trigger the safety protection device , when a foreign object is caught between the comb plate and the step pedal, an interaction force is generated to drive the floor plate connected to the comb plate to move, so that the safety switch connected to the bottom of the floor plate is triggered, thereby making the escalator stop running. In order to protect the safety of personnel; however, in the actual operation process, the escalator may not be closed according to the actual situation because the safety protection switch is set too small or too large; therefore, the trigger force required for the safety protection switch Measuring and then adjusting to set an accurate trigger force is the prerequisite to ensure that the safety protection device can work normally; however, the current detection of the safety protection switch of the escalator comb plate is only to use simple tools to push or pull the comb plate , to detect whether it can trigger the safety switch, and there is no accurate measurement of the force required for triggering. This detection method can only detect whether the safety switch trigger is invalid, and has no substantial help for the adjustment of the safety trigger force, and requires the cooperation of two people. Complete the test.

Therefore, it is necessary to provide an improved technical solution for the above-mentioned deficiencies in the prior art.

Contents of the invention

The purpose of the present invention is to overcome the detection scheme of the escalator comb safety protection switch in the prior art that cannot measure the size of the trigger force, can only detect whether the safety switch can be triggered, and cannot accurately adjust the trigger force of the safety protection switch according to the measurement. The number of testing personnel is required to be large, etc.

In order to achieve the above object, the present invention provides the following technical solutions:

The invention provides a trigger force measuring device for a safety protection switch of an escalator comb plate. The measuring device includes: a main body structure, a fixing structure, a tension-pressure transmission structure, and a tension-pressure measurement structure;

A main structure, the main structure is provided with a guide rail and a bearing seat for assembling a fixed structure, a tension-pressure transmission structure and a tension-pressure measurement structure;

a fixing structure, the fixing structure is assembled on the main structure, and is used to fix the measuring device so as to measure tension and pressure;

A tension and pressure transmission structure, the tension and pressure transmission structure is located in the main structure, and is used to operate the expansion and contraction of the tension and compression rods, thereby triggering a safety switch, which is convenient for the tension and pressure measurement structure to measure the tension and pressure;

A tension and pressure measurement structure, the tension and pressure measurement structure includes a tension and pressure sensor and a tension and pressure display; the tension and pressure sensor is located in the tension and pressure transmission structure, and measures the tension and tension of the tension and compression rod during the process of completing the action transmission .

According to the above-mentioned device for measuring the triggering force of the escalator comb safety protection switch, preferably, the fixing structure includes:

There are two clamping block structures, and the clamping block structure is connected with the main body structure through a guide rail, which is convenient for adjusting the span of the clamping block according to the width of the comb groove on the tread surface at the measurement position; each of the clamping block structures The clamping block structure includes a locking structure and a guide rail mating surface;

Preferably, the connecting guide rail between the clamping block and the measuring device of the clamping block structure adopts a dovetail groove-rectangular guide rail in the form of a sliding guide rail;

Still preferably, each of the clamping block structures includes two identical locking structures.

According to the above-mentioned device for measuring the triggering force of the escalator comb safety protection switch, preferably, the locking structure includes:

A locking lever, the locking lever is connected to the eccentric wheel through a rotating shaft, and the coaxial eccentric wheel is driven to rotate by rotating the locking lever;

An eccentric wheel, the eccentric wheel is assembled in the installation hole provided at the bottom of the clamping block, the rotating shaft is installed in the through hole above the eccentric wheel installation hole, through the rotation of the eccentric wheel, it cooperates with the clamping piece to realize clamping tighten and loosen;

Clamping piece, the clamping piece is two parallel sheet structures protruding from the side of the eccentric wheel at the bottom of the clamping block, the clamping piece adjacent to the eccentric wheel is a movable clamping piece, parallel to the movable clamping piece The one is the fixed clamping piece, and the two sides and one end of the movable clamping piece are processed with holes through the upper and lower sides of the clamping block, so that only one end of the movable clamping piece is connected with the clamping block, which is convenient for the rotation of the eccentric wheel to control the movement of the movable clamping piece. Squeeze the displacement to make the gap between the two clamping pieces change, so as to realize clamping and loosening.

According to the above-mentioned device for measuring the triggering force of the escalator comb safety protection switch, preferably, the tension and pressure transmission structure includes:

Rotate the driving rod, the rotating driving rod is assembled on the input transmission shaft of the gear transmission mechanism, which is convenient to drive the gear transmission and the operation of the structure by rotating the driving rod;

A gear transmission mechanism, the gear transmission mechanism includes a pair of bevel gears meshing with each other, which are respectively an input gear and an output gear, and the rotating lever converts the rotation in the vertical direction into the rotation in the horizontal direction through the bevel gear mechanism;

The transmission sleeve, the main structure is respectively provided with bearing seats at the corresponding positions at both ends of the transmission sleeve, the transmission sleeve and the main structure are connected through bearings; the output gear is located at one end of the transmission sleeve and is connected to the transmission The sleeve is coaxially connected; the transmission sleeve is provided with threads;

A threaded push rod, the threaded push rod is located in the transmission sleeve, and is threadedly connected with the transmission sleeve to form a threaded motion pair; one end of the threaded push rod is a flat head shaft structure, and the flat head shaft structure Assembled in the guide groove on the main structure of the measuring device, and defined by the threaded motion pair and the guide groove, the rotation of the transmission sleeve is converted into the linear motion of the threaded push rod;

A tension pressure sensor, one end of the tension pressure sensor is connected to the other end of the threaded push rod for transmitting the movement of the threaded push rod;

A ball tie, the ball tie is located in the spherical groove provided at one end of the tension and pressure rod, and is connected with the other end of the tension pressure sensor, for transmitting the movement of the tension pressure sensor;

The tension and compression rods are located at the end of the tension and pressure transmission structure, and are used to contact the surface to be detected to transmit the tension and pressure. The tension and compression rods are assembled on the main structure and pass through the main structure Rectangular sliding guide rail connection, so as to realize the reciprocating motion along the same straight line with the threaded push rod, tension pressure sensor and ball winch.

In the trigger force measuring device for the safety protection switch of the escalator comb plate as described above, preferably, the bevel gear includes a large gear and a pinion, and the pinion is assembled on the input drive shaft to realize a gear deceleration mechanism.

In the above-mentioned device for measuring the triggering force of the safety protection switch of the escalator comb plate, preferably, the head of the tension and compression rod is provided with a barb, which is convenient for detecting the safety protection switch triggered by the up and down movement.

In the trigger force measuring device for the safety protection switch of the escalator comb plate as described above, preferably, the fixing structure further includes a bracket, and the bracket is provided with a lug groove, and the main structure is fixed on the bracket through the lug groove, It is convenient to measure the triggering force of the vertical movement triggering the safety switch.

As described in any one of the escalator comb plate safety protection switch trigger force measurement device, preferably, the measurement method includes the following steps:

S1, measuring the trigger force of the safety switch triggered by horizontal movement;

S2, measuring the triggering force of the vertical movement triggering the safety switch.

According to the method for measuring the trigger force measuring device of the comb-tooth plate safety protection switch of an escalator as described above, preferably, step S1 includes the following steps:

S11, turn the rotary lever above the pinion to drive the tension and compression rod to contract, place the test device on the step tread at the front end of the comb plate, and make the front end of the tension and compression rod contact with the comb plate;

S12, lock the test device on the step tread by rotating the locking puller;

S13, the rotating pulling rod above the rotating pinion drives the pulling and pressing rod to extend, thereby pushing the comb plate to move, and immediately stops rotating the gear when the safety switch is triggered;

S14, read the maximum thrust generated during the pushing process through the pull pressure display, and record the thrust as the triggering force of the safety switch triggered by the horizontal movement of the comb plate.

As described above, a method for measuring the triggering force measuring device of the comb-tooth plate safety protection switch of an escalator, preferably, step S2 includes the following steps:

S21, turn the rotary lever above the pinion to drive the tension and compression rod to extend out, connect the test device with the lug groove on the vertical plate of the bracket, adjust the position of the bracket and the measuring device, and make the front end of the tension and compression rod barb contact with the comb plate;

S22, the tester steps on the horizontal plate of the support with both feet, keeping the support in a stable state during the test;

S23, the rotating pulling rod above the rotating pinion drives the pulling and pressing rod to shrink, thereby pulling the comb plate to move, and stopping the rotating gear immediately when the safety switch is triggered;

S24, read the maximum thrust generated during the pushing process through the pull-pressure display, and record the thrust as the trigger force of the safety switch triggered by the horizontal movement of the comb plate.

Compared with the closest prior art, the technical solution provided by the present invention has the following excellent effects:

The invention provides an escalator comb plate safety protection switch trigger force measurement device and measurement method, which controls the expansion and contraction of the detection head through a threaded transmission mechanism, and simulates the scene in which the escalator comb plate is forced to trigger the safety switch in a real scene, triggering For the safety switch in the horizontal direction and the safety switch in the vertical direction, measure the force required for the comb-tooth plate to trigger the safety switch during the process of being stressed until the safety switch is triggered. According to the measured force, combined with the actual operation process to ensure safety. To set a reasonable trigger force under the circumstances, adjust the trigger mechanism of the safety switch so that the trigger force of the comb plate safety switch is within the set range to ensure the normal and safe operation of the escalator. The structure of the device is simple, the measurement is accurate, and only one person is required to complete the operation and adjustment, which greatly improves the safety and reliability of the escalator operation, saves the cost of detection labor and improves the detection efficiency. It is of great significance to the safe operation of escalators.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of a measuring device in an embodiment of the present invention;

Fig. 2 is the front view of the overall structure of the measuring device in the embodiment of the present invention;

Fig. 3 is a left view of the overall structure of the measuring device in the embodiment of the present invention;

Fig. 4 is a top view of the overall structure of the measuring device in the embodiment of the present invention;

Fig. 5 is the A-A cross-sectional schematic view of the locking structure of the measuring device in Fig. 4;

Fig. 6 is the overall structure B-B sectional schematic diagram of measuring device among Fig. 4;

Fig. 7 is a schematic diagram of the measurement of the horizontal trigger force of the safety switch in the embodiment of the present invention;

Fig. 8 is a schematic diagram of the measurement of the vertical trigger force of the safety switch in the embodiment of the present invention;

Fig. 9 is the flowchart of the measurement method in the embodiment of the present invention;

FIG. 10 is a specific flowchart of step S1 in FIG. 9;

FIG. 11 is a specific flowchart of step S2 in FIG. 9 .

In the figure: 11. Clamping block A; 12. Clamping block B; 13. Locking lever; 14. Eccentric wheel; 15. Clamping piece; 16. Bracket; 2. Main structure; 21. Hanging ear; 31 , rotating lever; 32, pinion; 33, transmission sleeve; 34, threaded push rod; 35, tension sensor; 36, spherical hinge; 37, tension lever; 4, tension display; 5, steps; 6 . Measuring device; 7. Comb plate; 81. Horizontal trigger safety switch; 82. Vertical trigger safety switch.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below, obviously, the described embodiments are only some of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by persons of ordinary skill in the art based on the embodiments of the present invention belong to the protection scope of the present invention.

The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

In the description of the present invention, the indicated orientation or 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 does not require that the present invention must be constructed and operated in a specific orientation, so it cannot be understood as Limitations on the Invention. The terms "connected" and "connected" used in the present invention should be understood in a broad sense, for example, it can be fixedly connected or detachably connected; it can be directly connected or indirectly connected through intermediate parts, for ordinary A skilled person can understand the specific meanings of the above terms according to specific situations.

As shown in Figure 1, it is a schematic diagram of the overall structure of the measuring device in the embodiment of the present invention. The present invention provides a trigger force measuring device for the safety protection switch of the escalator comb plate. The measuring device 6 includes: a main structure 2, a fixed structure, a tension force Transmission structure and tension and pressure measurement structure;

The main structure 2 is provided with a guide rail and a bearing seat for assembling a load-bearing fixing structure, a tension-pressure transmission structure and a tension-pressure measurement structure.

The fixed structure is assembled on the main structure 2, and is used to fix the measuring device 6, so as to measure the tension and pressure; the fixed structure includes two clamping block structures, respectively, the clamping block A11 and the clamping block B12, and the clamping block A11 and the clamping block The block B12 is respectively connected with the main structure 2 of the measuring device 6 through a sliding guide rail in the form of a dovetail groove-rectangular guide rail, which is convenient to adjust the span of the clamping block according to the width of the comb groove on the tread surface of the measuring position so that the two are compatible; the clamping block A11 and the clamping block B12 respectively include two locking structures and guide rail mating surfaces; as shown in Figure 1 and Figure 5, the locking structure includes a locking lever 13, an eccentric wheel 14 and a clamping piece 15, during use , put the clamping piece 15 into the groove of the tread comb, rotate the locking lever 13 to drive the eccentric wheel 14 to rotate, and then squeeze the clamping piece 15, so that the clamping piece 15 clamps the tread comb, so as to achieve a fixed Purpose.

In the embodiment of the present invention, the fixing structure also includes a bracket 16, and the bracket is provided with a lug groove, and the main structure is fixed on the bracket through the lug groove, which is convenient for measuring the trigger force of the vertical movement triggering the safety switch.

As shown in Figure 6, the tension and pressure transmission structure is located in the main structure 2 of the measuring device 6, and is used to operate the expansion and contraction of the tension and compression rod 37, thereby triggering the safety switch, which is convenient for the tension and pressure measurement structure to measure the tension and pressure; the tension and pressure transmission structure includes Rotate driving lever 31, gear transmission mechanism, transmission sleeve 33, threaded push rod 34, pull pressure sensor 35, ball twist 36 and pull pressure bar 37.

The gear transmission mechanism adopts a pair of bevel gears. In order to reduce the force required to push and rotate the driving rod 31, and simultaneously make the movement of the tension and pressure rod 37 slow and controllable, the bevel gears include a deceleration gear consisting of a large gear and a small gear 32. mechanism, the rotating shaft of the rotating lever 31 is coaxially connected with the pinion gear 32, and the pinion gear 32 meshes with the large gear, and the rotating lever 31 converts the vertical axial rotation into the horizontal axial rotation through the bevel gear mechanism, and the large gear Located at one end of the transmission sleeve 33 and coaxially connected with the transmission sleeve 33; the inner cavity of the main structure 2 of the measuring device 6 is provided with two bearing seats, and the two ends of the transmission sleeve 33 correspond to the two bearing seats respectively, and the transmission sleeve 33 is connected with the main structure 2 of the measuring device 6 through bearings; the transmission sleeve 33 is provided with threads, and the threaded push rod 34 is located in the transmission sleeve 33, and is connected with the transmission sleeve 33 to form a threaded motion pair; the threaded push rod 34 One end is a flat head shaft structure, and a rectangular guide groove is provided at the corresponding position between the main structure 2 of the measuring device 6 and the flat head shaft. To limit the rotation of the threaded push rod 34, the rotation of the transmission sleeve 33 is converted into the linear motion of the threaded push rod 34 through the setting of the threaded motion pair and the guide groove; Connection, the other end of the tension and pressure sensor 35 is connected with the tension and compression rod 37 through a ball twist 36; Hook the lower edge of the comb tooth plate 7 during the safety protection switch of motion trigger.

The tension-pressure measurement structure includes a tension-pressure sensor 35 and a tension-pressure display 4; the tension-pressure sensor 35 is located in the tension-pressure transmission structure, and measures the tension pressure on the tension-compression rod 37 during the process of completing the action transmission. The pull-pressure display 4 is connected with the upper plane of the pull-pressure bar 37, and the pull-pressure display 4 is connected with the pull-pressure sensor 35 by a data line, and is used to accept the force measured by the pull-pressure sensor 35, which is processed and displayed on the display screen in real time , which is easy for testers to read.

In the present embodiment, the pull-pressure display 4 has a memory function, an alarm function, and a bluetooth function; the pull-pressure display 4 has a memory function, and can record 20 recent measured data, and the latest 20 measurements can be checked by the button next to the display screen Data; pull pressure display 4 also has an alarm function, which can be used when adjusting the trigger force of the safety switch. According to the maximum pull pressure in the set reasonable pull pressure range, the early warning pull force and early warning pressure are set in advance. Or during pre-alarm pressure, the pull pressure display 4 directly emits a buzzing sound, indicating that the trigger force of the safety switch of the comb plate 7 is too large, and the escalator cannot stop in time when a foreign object is stuck during operation, threatening the safety of passengers, and the measurement can be stopped at this time , adjust the safety switch until the trigger force is within the set reasonable range; the alarm function can prevent the measuring device 6 from being damaged due to excessive force; the pull pressure display 4 also has a Bluetooth function, which can transmit the measured pull pressure data to Mobile clients such as mobile phones and tablet computers can store multiple pieces of measurement data, which is convenient for later statistics of the entire measurement situation to obtain the pass rate of the escalator safety switch.

When measuring the trigger force of the safety switch, adjust the measuring device 6 and the tension and compression rod 37 to an appropriate position, fix the entire measuring device 6 on the step 5 or the bracket 16, and turn the rotating lever 31 by hand to drive the coaxial The pinion 32 rotates, and the pinion 32 transmits the rotation to the large gear meshed with it. The large gear drives the coaxially connected transmission sleeve 33 to rotate together, and the threaded push rod 34 converts the rotation of the transmission sleeve 33 into linear expansion and contraction. The push rod 34 drives the tension and pressure sensor 35 connected to it to expand and contract, and the tension and pressure sensor 35 transmits the motion of the threaded push rod 34 to the tension and compression rod 37 through the ball twist 36, driving the tension and compression rod 37 to expand and contract. At the same time, the tension and pressure sensor 35 passes The ball twist 36 measures the force transmitted by the tension and compression rod 37, and transmits the measured data to the tension and pressure display 4 through the data line, and the tension and pressure display 4 displays the measured power in real time through the display screen after data processing.

As shown in Figures 9 to 11, the present invention also provides a method for measuring the trigger force measuring device 6 of the comb safety switch of an escalator, including the following steps:

S1, measure the trigger force of the safety switch triggered by horizontal movement, the specific operation steps are as follows:

S11, as shown in Figure 7, turn the rotating lever 31 on the top of the pinion 32, so that the tension and compression rod 37 is in a contracted state; the test device 6 is placed on the step 5 tread at the front end of the comb plate 7, and the position of the test device 6 is adjusted. position, so that the front end of the pulling and pressing rod 37 is in contact with the comb tooth plate 7.

S12, adjust the span of the clamping block A11 and the clamping block B12, make the clamping piece 15 snap into the comb groove of the tread, and turn the locking puller to lock the testing device 6 on the tread of the step 5.

S13, open the pull-pressure display 4, rotate the pull-out rod above the pinion 32 at a constant speed to drive the pull-push rod 37 to stretch out, thereby pushing the comb plate 7 to move, and stop rotating the gear immediately when the horizontal trigger safety switch 81 is triggered.

S14, read the maximum thrust force generated during the pushing process through the pull pressure indicator 4 arranged on the pull and push rod 37, and record the push force as the trigger force of the comb-tooth plate horizontally moving to trigger the safety switch 81.

S2, measure the trigger force of the safety switch triggered by vertical movement, the specific operation steps are as follows:

S21, as shown in Figure 8, turn the rotating lever 31 on the top of the pinion 32, so that the tension and compression rod 37 is in an extended state, and connect the hanging lug 21 on the testing device 6 with the hanging lug groove of the bracket 16 with a pin shaft, Adjust the positions of the bracket 16 and the measuring device 6 so that the barb at the front end of the tension and compression rod 37 is in contact with the comb plate 7 .

S22, the tester steps on the horizontal plate of the support 16 with both feet to ensure that the support 16 is in a stable state during the test.

S23, open the pull-pressure display 4, rotate the pull-out rod above the pinion 32 at a constant speed to drive the pull-push rod 37 to contract, thereby pulling the comb plate 7 to move, and stop rotating the gear immediately when the vertical trigger safety switch 82 is triggered.

S24, read the maximum pulling force generated during the pulling process through the pulling pressure indicator 4 arranged on the pulling and pressing rod 37, and record the pulling force as the trigger force of the safety switch triggered by the vertical movement of the comb plate.

The above steps S1 and S2 are just one embodiment of the present invention, and there is no sequence between them.

In summary, the trigger force measurement device and method for the safety protection switch of the comb plate of an escalator provided by the present invention controls the expansion and contraction of the tension and compression rod through the threaded transmission mechanism, and simulates the safety switch triggered by the force of the comb plate of the escalator in the real scene. According to the scene, trigger the safety switch in the horizontal direction and the safety switch in the vertical direction, measure the force required for the comb plate to trigger the safety switch, and set a reasonable Adjust the triggering force of the safety switch so that the triggering force of the comb safety switch is within the set range to ensure the normal and safe operation of the escalator; the structure of the device is simple and reasonable, the measurement is fast and accurate, and only one person can complete the operation adjustment , which greatly improves the safety and reliability of the escalator operation, and at the same time saves the cost of detection labor and improves the detection efficiency. It is of great significance to the safe operation of escalators.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention are within the scope of the pending rights of the present invention. within the scope of protection.

Claims (10)

1. An escalator comb tooth plate safety protection switch trigger force measuring device is characterized in that, the measuring device comprises: a main body structure, a fixed structure, a pulling pressure transmission structure and a pulling pressure measuring structure; A main structure, the main structure is provided with a guide rail and a bearing seat for assembling a fixed structure, a tension-pressure transmission structure and a tension-pressure measurement structure; a fixing structure, the fixing structure is assembled on the main structure, and is used to fix the measuring device so as to measure tension and pressure; A tension and pressure transmission structure, the tension and pressure transmission structure is located in the main structure, and is used to operate the expansion and contraction of the tension and compression rods, thereby triggering a safety switch, which is convenient for the tension and pressure measurement structure to measure the tension and pressure; A tension and pressure measurement structure, the tension and pressure measurement structure includes a tension and pressure sensor and a tension and pressure display; the tension and pressure sensor is located in the tension and pressure transmission structure, and measures the tension and tension of the tension and compression rod during the process of completing the action transmission . 2. A kind of escalator comb plate safety protection switch trigger force measuring device as claimed in claim 1, is characterized in that, described fixing structure comprises: There are two clamping block structures, and the clamping block structure is connected with the main body structure through a guide rail, which is convenient for adjusting the span of the clamping block according to the width of the comb groove on the tread surface at the measurement position; each of the clamping block structures The above-mentioned clamping block structure includes a locking structure and a guide rail mating surface; Preferably, the connecting guide rail between the clamping block and the measuring device of the clamping block structure adopts a dovetail groove-rectangular guide rail in the form of a sliding guide rail; Still preferably, each of the clamping block structures includes two identical locking structures. 3. A kind of escalator comb plate safety protection switch trigger force measurement device as claimed in claim 2, is characterized in that, described locking structure comprises: A locking lever, the locking lever is connected to the eccentric wheel through a rotating shaft, and the coaxial eccentric wheel is driven to rotate by rotating the locking lever; An eccentric wheel, the eccentric wheel is assembled in the installation hole provided at the bottom of the clamping block, the rotating shaft is installed in the through hole above the eccentric wheel installation hole, through the rotation of the eccentric wheel, it cooperates with the clamping piece to realize clamping tighten and loosen; Clamping piece, the clamping piece is two parallel sheet structures protruding from the side of the eccentric wheel at the bottom of the clamping block, the clamping piece adjacent to the eccentric wheel is a movable clamping piece, parallel to the movable clamping piece The one is the fixed clamping piece, and the two sides and one end of the movable clamping piece are processed with holes through the upper and lower sides of the clamping block, so that only one end of the movable clamping piece is connected with the clamping block, which is convenient for the rotation of the eccentric wheel to control the movement of the movable clamping piece. Squeeze the displacement to make the gap between the two clamping pieces change, so as to realize clamping and loosening. 4. A kind of escalator comb tooth plate safety protection switch trigger force measuring device as claimed in claim 1, is characterized in that, described pull-pressure transmission structure comprises: Rotate the driving rod, the rotating driving rod is assembled on the input transmission shaft of the gear transmission mechanism, which is convenient to drive the gear transmission and the operation of the structure by rotating the driving rod; A gear transmission mechanism, the gear transmission mechanism includes a pair of bevel gears meshing with each other, which are respectively an input gear and an output gear, and the rotating lever converts the rotation in the vertical direction into the rotation in the horizontal direction through the bevel gear mechanism; The transmission sleeve, the main structure is respectively provided with bearing seats at the corresponding positions at both ends of the transmission sleeve, the transmission sleeve and the main structure are connected through bearings; the output gear is located at one end of the transmission sleeve and is connected to the transmission The sleeve is coaxially connected; the transmission sleeve is provided with threads; A threaded push rod, the threaded push rod is located in the transmission sleeve, and is threadedly connected with the transmission sleeve to form a threaded motion pair; one end of the threaded push rod is a flat head shaft structure, and the flat head shaft structure Assembled in the guide groove on the main structure, defined by the threaded motion pair and the guide groove, converts the rotation of the transmission sleeve into the linear motion of the threaded push rod; A tension pressure sensor, one end of the tension pressure sensor is connected to the other end of the threaded push rod for transmitting the movement of the threaded push rod; A ball tie, the ball tie is located in a spherical groove provided at one end of the tension and pressure rod, and is connected to the other end of the tension pressure sensor, for transmitting the movement of the tension pressure sensor; The tension and compression rods are located at the end of the tension and pressure transmission structure, and are used to contact the surface to be detected to transmit the tension and pressure. The tension and compression rods are assembled on the main structure and pass through the main structure Rectangular sliding guide rail connection, so as to realize the reciprocating motion along the same straight line with the threaded push rod, tension pressure sensor and ball winch. 5. A kind of escalator comb plate safety protection switch trigger force measuring device as claimed in claim 4, is characterized in that, described bevel gear comprises a bull gear and a pinion, and described pinion is assembled on the described On the input transmission shaft, a gear reduction mechanism is realized. 6. A trigger force measuring device for a safety protection switch of an escalator comb plate as claimed in claim 4, wherein the head of the tension and compression rod is provided with a barb, which is convenient for detecting the safety protection triggered by the up and down movement. switch. 7. A kind of escalator comb plate safety protection switch trigger force measurement device as claimed in claim 2, it is characterized in that, described fixing structure also comprises bracket, and described bracket is provided with lug groove, and main structure passes through lug The slot is fixed on the bracket to facilitate the measurement of the actuation force of the safety switch triggered by the vertical movement. 8. A method of measuring using the escalator comb-tooth plate safety protection switch trigger force measuring device described in any one of claims 1-7, characterized in that, the method of measuring comprises the following steps: S1, measuring the trigger force of the safety switch triggered by horizontal movement; S2, measuring the triggering force of the vertical movement triggering the safety switch. 9. measuring method as claimed in claim 8, is characterized in that, described step S1 comprises the steps: S11, turn the rotary lever above the pinion to drive the tension and compression rod to contract, place the test device on the step tread at the front end of the comb plate, and make the front end of the tension and compression rod contact with the comb plate; S12, lock the test device on the step tread by rotating the locking puller; S13, the rotating pulling rod above the rotating pinion drives the pulling and pressing rod to extend, thereby pushing the comb plate to move, and immediately stops rotating the gear when the safety switch is triggered; S14, read the maximum thrust generated during the pushing process through the pull pressure display, and record the thrust as the triggering force of the safety switch triggered by the horizontal movement of the comb plate. 10. measuring method as claimed in claim 8, is characterized in that, described step S2 comprises the steps: S21, turn the rotary lever above the pinion to drive the tension rod to extend out, connect the test device with the lug groove on the vertical plate of the bracket, adjust the position of the bracket and the measuring device, and make the barb at the front end of the tension rod and the comb teeth plate contact; S22, the tester steps on the horizontal plate of the support with both feet, keeping the support in a stable state during the test; S23, the rotating pulling rod above the rotating pinion drives the pulling and pressing rod to shrink, thereby pulling the comb plate to move, and stopping the rotating gear immediately when the safety switch is triggered; S24, read the maximum pulling force generated during the pulling process through the pulling pressure display, and record the pulling force as the trigger force of the safety switch triggered by the vertical movement of the comb plate.