CN219223997U

CN219223997U - Special dynamometer for elevator inspection

Info

Publication number: CN219223997U
Application number: CN202223419908.5U
Authority: CN
Inventors: 徐志民
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-06-20
Anticipated expiration: 2032-12-20

Abstract

The utility model belongs to the technical field of force measuring instruments, and discloses a special force measuring instrument for elevator inspection, which comprises a box body, wherein square grooves are formed in the left side and the right side of the box body, sliding blocks are connected to the inner walls of the two square grooves in a sliding mode, a contact claw and a push rod are fixedly connected to the left side and the right side of the two sliding blocks respectively, an installation box is arranged in the box body, and a pressure sensor is installed on the inner wall of the installation box. According to the utility model, in the detection process, along with the closing of the elevator door, the detected numerical value is larger until the sliding block slides out from the inner wall of the square groove, the sliding block loses the acting force of the square groove, the contact claw and the mounting box are in a suspended state at the moment, the friction force generated by the box body on the detection is effectively reduced, the influence of the friction force on the detection of the impact force generated when the elevator door is closed is further effectively overcome, and the impact force detection effect of the device on the elevator door is improved.

Description

Special dynamometer for elevator inspection

Technical Field

The utility model relates to the technical field of force measuring instruments, in particular to a special force measuring instrument for elevator inspection.

Background

An elevator refers to a permanent transport device serving a number of specific floors within a building with its car running in at least two columns of rigid rails running perpendicular to the horizontal or inclined at an angle of less than 15 ° to the plumb line. The elevator needs to detect the impact force when the elevator door is closed before use or after failure, and the current method for measuring the impact force of the elevator door is to feel the impact force when the elevator is closed by hand by manpower.

In order to solve the problems, the utility model with the authorization bulletin number of CN211452695U discloses a dynamometer for elevator inspection, which comprises a support plate, a support piece, a pressure sensor and an adjusting piece, wherein two groups of anti-slip pads are fixed at the bottom end of the support plate, the support piece, the adjusting piece and two groups of baffles are fixed at the top end of the support plate, two groups of baffles are positioned between the support piece and the adjusting piece, the pressure sensor is connected with one end of a guide rod, one end of the guide rod, far away from the pressure sensor, penetrates through the support piece and is connected with a clamping piece, the support piece comprises a flange, a support block and a rubber plug, the support block is U-shaped, through grooves for the guide rod to penetrate through are formed in two groups of vertical sections of the support block, one end, far away from the baffle, of the adjusting piece is rotationally connected with the other group of clamping piece, a lead of the pressure sensor is connected with a display screen, and the display screen is positioned between the two groups of baffles. This dynamometer for elevator inspection has improved the degree of accuracy that detects, has avoided workman's injury.

Although the above application can not feel the impact force when the elevator door is closed by hand, the friction force between the guide rod and the support rod in the application affects the detection accuracy, so that the detected data is not strict, and therefore, a special force measuring instrument for elevator inspection is needed.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide a special force measuring instrument for elevator inspection, which solves the problems that the friction force between a guide rod and a support rod in the prior art can influence the detection accuracy, so that the measured data is not strict.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides a special dynamometer of elevator inspection, includes the box, square groove has all been seted up to the left and right sides of box, two equal sliding connection of inner wall in square groove has the slider, two the left and right sides of slider is fixedly connected with contact claw and push rod respectively, the inside of box is provided with the mounting box, pressure sensor is installed to the inner wall of mounting box, two the relative one end of push rod all alternates on the mounting box and rather than sliding connection, two the equal fixedly connected with spring of relative one end of mounting box, two the equal fixedly connected with clamp plate of the other end of spring, two the outside of clamp plate all with the inner wall sliding connection of mounting box, the front of box is provided with fixed knot constructs.

As a further description of the above technical solution:

the fixing structure comprises two fixing plates, the back surfaces of the two fixing plates are fixedly connected with the box body, a screw rod is rotatably connected between the two fixing plates, the right end of the screw rod penetrates through and extends to the right side of the right fixing plate, two clamping plates in threaded connection with the screw rod are sleeved on the screw rod, and one sides of the two clamping plates penetrate through the two fixing plates respectively and extend to the left side and the right side of the box body.

As a further description of the above technical solution:

one side of the contact claw is fixedly connected with an anti-slip pad, and one side of the anti-slip pad is provided with anti-slip patterns.

As a further description of the above technical solution:

the top fixedly connected with locating piece of installation box, the top of box alternates to have rather than threaded connection's screw rod, the bottom rotation of screw rod is connected with the locating cover, the front and the back of locating cover all contact with the box, loudspeaker groove has been seted up to the bottom of locating cover.

As a further description of the above technical solution:

the inner wall fixedly connected with two direction covers of box, two the shape of direction cover is the horn shape setting.

As a further description of the above technical solution:

the front sides of the two contact claws are fixedly connected with fixing rods, and a controller is installed at the top of the box body.

Compared with the prior art, the utility model has the advantages that:

this scheme is in the in-process of detecting, along with the closing of lift-cabin door, the numerical value that detects is bigger, until the slider is followed square groove inner wall roll-off, and the effort of square groove can be lost to the slider this moment, and contact claw and mounting box are in unsettled state this moment, and the effectual frictional force that reduces the box to detecting production, and then the effectual impact that overcomes frictional force and produce when closing the lift-cabin door detects, the effect that the impact detected when improving the device to the lift-cabin door is closed.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a subjective view of the present utility model;

FIG. 3 is a top view of the present utility model;

fig. 4 is a cross-sectional view of the present utility model.

The reference numerals in the figures illustrate:

1. a case; 2. a square groove; 3. a slide block; 4. a contact claw; 5. a push rod; 6. a mounting box; 7. a pressure sensor; 8. a spring; 9. a pressing plate; 10. a fixed structure; 101. a fixing plate; 102. a screw rod; 103. a clamping plate; 11. an anti-slip pad; 12. a positioning block; 13. a screw; 14. a positioning cover; 15. a horn slot; 16. a guide cover; 17. a fixed rod; 18. and a controller.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;

referring to fig. 1 to 4, in the present utility model: the utility model provides a special dynamometer of elevator inspection, including box 1, square groove 2 has all been seted up to the left and right sides of box 1, the equal sliding connection of inner wall of two square grooves 2 has slider 3, the left and right sides of two sliders 3 is fixedly connected with contact claw 4 and push rod 5 respectively, the inside of box 1 is provided with mounting box 6, pressure sensor 7 is installed to the inner wall of mounting box 6, the relative one end of two push rods 5 all alternates on mounting box 6 and rather than sliding connection, the equal fixedly connected with spring 8 of relative one end of two mounting boxes 6, the equal fixedly connected with clamp plate 9 of the other end of two springs 8, the outside of two clamp plates 9 all with the inner wall sliding connection of mounting box 6, the front of box 1 is provided with fixed knot constructs 10.

When the elevator door is closed, the two contact claws 4 drive the sliding blocks 3 to slide in the square groove 2, the push rod 5 extrudes the pressure sensor 7 through the spring 8 and the pressing plate 9, data measured by the pressure sensor 7 are impact force when the elevator door is closed, in the detection process, the larger the detected numerical value is, until the sliding blocks 3 slide out of the inner wall of the square groove 2, the acting force of the square groove 2 is lost by the sliding blocks 3, the contact claws 4 and the mounting box 6 are in a suspended state, the friction force generated by the detection of the box body 1 on the detection is effectively reduced, and further the influence of the friction force on the detection of the elevator door on the impact force is effectively overcome when the elevator door is closed.

Please refer to fig. 1-3, wherein: the fixing structure 10 comprises two fixing plates 101, the back surfaces of the two fixing plates 101 are fixedly connected with the box body 1, a screw rod 102 is rotatably connected between the two fixing plates 101, the right end of the screw rod 102 penetrates through and extends to the right side of the right fixing plate 101, two clamping plates 103 in threaded connection with the screw rod 102 are sleeved on the screw rod 102, and one sides of the two clamping plates 103 penetrate through the two fixing plates 101 respectively and extend to the left side and the right side of the box body 1.

In the utility model, when in use, the screw rod 102 is rotated, and the screw rod 102 is in double-thread arrangement and is respectively in threaded connection with the two clamping plates 103, so that the two clamping plates 103 are driven to be mutually far away after the screw rod 102 rotates, and the two clamping plates 103 are mutually far away and are close to the elevator door opening until the two clamping plates 103 are closely attached to the elevator door opening, and the position of the box body 1 can be fixed.

Please refer to fig. 1-4, wherein: one side of the contact claw 4 is fixedly connected with an anti-slip pad 11, and one side of the anti-slip pad 11 is provided with anti-slip patterns.

According to the utility model, the friction force between the contact claw 4 and the elevator door can be effectively improved through the anti-slip pad 11 fixedly connected with one side of the contact claw 4, so that the contact claw 4 can be prevented from sliding on the elevator door in the detection process.

Please refer to fig. 4, wherein: the top fixedly connected with locating piece 12 of mounting box 6, the top of box 1 alternates to have rather than threaded connection's screw rod 13, and the bottom rotation of screw rod 13 is connected with location cover 14, and the front and the back of location cover 14 all contact with box 1, and loudspeaker groove 15 has been seted up to the bottom of location cover 14.

In the utility model, in the use process, a user can adjust the distance between the two contact claws 4 and the elevator door by rotating the screw 13, after the screw 13 rotates, as the screw 13 is in threaded connection with the box body 1, all screws 13 can drive the positioning cover 14 to descend along the box body 1, the horn slot 15 formed at the bottom of the positioning cover 14 descends to be in contact with the positioning block 12, the positioning block 12 can slide onto the inner top wall of the horn slot 15 along the horn slot 15, the shape of the inner top wall of the horn slot 15 is matched with the positioning block 12, the positioning block 12 is centered, the mounting box 6 can be centered by the positioning block 12, the distance between the two contact claws 4 and the elevator door can be driven to be the same after the mounting box 6 is centered, after the contact claws 4 are positioned, the impact force of the elevator door can be detected by reversely rotating the screw 13, and the two elevator doors can be simultaneously contacted with the two contact claws 4 in the detection process, so that the contact stability of the device is improved.

Please refer to fig. 4, wherein: the inner wall of the box body 1 is fixedly connected with two guide covers 16, and the shape of the two guide covers 16 is in a horn shape.

According to the elevator door, the two guide covers 16 fixedly connected through the inner wall of the box body 1 can play a role in guiding the sliding block 3 when the elevator door is opened, so that the sliding block 3 can smoothly slide into the square groove 2, and the practicability of the elevator door is improved.

Please refer to fig. 1-3, wherein: the front sides of the two contact claws 4 are fixedly connected with a fixed rod 17, and a controller 18 is arranged at the top of the box body 1.

According to the utility model, when the two clamping plates 103 are close to each other, the clamping plates 103 drive the contact claws 4 to be close to each other until the contact claws are closely attached to the box body 1 through the fixing rods 17 fixedly connected with the front surfaces of the two contact claws 4, the size of the device can be reduced, the device is convenient for a user to carry, and the controller 18 can be convenient for the user to control the pressure sensor 7 and display detected data.

Working principle: when the elevator door is used, firstly, the elevator door is opened, then the box body 1 is placed at the central position of the elevator door opening, the two contact claws 4 are aligned with the elevator door, at this time, the screw rod 102 rotates, the screw rod 102 is in double-thread arrangement and is in threaded connection with the two clamping plates 103 respectively, so that the screw rod 102 can drive the two clamping plates 103 to be far away from each other after rotating, the two clamping plates 103 can approach the elevator door opening after being far away from each other until the two clamping plates 103 are tightly attached to the elevator door opening, the fixing of the position of the box body 1 can be realized, then a user can start to detect the door closing impact force of the elevator door, when the elevator door is closed, the elevator door can be in contact with the contact claws 4, the two contact claws 4 can drive the sliding block 3 to slide in the square groove 2, at this time, the push rod 5 can squeeze the pressure sensor 7 through the spring 8 and the pressing plate 9, the measured data of the pressure sensor 7 are the impact force when the electric door is in the process of detecting, and the detected numerical value is large until the sliding block 3 is out of the inner wall of the square groove 2, the impact force of the square groove 2 is effectively reduced, the impact force of the elevator door is effectively influenced by the detection box body 1 when the contact claw is in the state of the box is lost, the impact force is effectively reduced, and the impact force of the elevator door is detected when the box is in the state is closed, and the box is in the state when the situation is in the state of the situation of the box is closed, and the box is in the condition of the state of the situation that the situation is in the situation of the box is in the state of the situation of the box is closed.

The above is only a preferred embodiment of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims

1. The utility model provides a special dynamometer of elevator inspection, includes box (1), its characterized in that: square groove (2) have all been seted up to the left and right sides of box (1), two the equal sliding connection of inner wall in square groove (2) has slider (3), two the left and right sides of slider (3) is fixedly connected with contact claw (4) and push rod (5) respectively, the inside of box (1) is provided with mounting box (6), pressure sensor (7) are installed to the inner wall of mounting box (6), two the relative one end of push rod (5) all alternates on mounting box (6) and rather than sliding connection, two the equal fixedly connected with spring (8) of relative one end of mounting box (6), two the equal fixedly connected with clamp plate (9) of the other end of spring (8), two the outside of clamp plate (9) all with the inner wall sliding connection of mounting box (6), the front of box (1) is provided with fixed knot constructs (10).

2. The special dynamometer for elevator inspection according to claim 1, wherein: the fixing structure (10) comprises two fixing plates (101), the back surfaces of the two fixing plates (101) are fixedly connected with the box body (1), a screw rod (102) is rotatably connected between the two fixing plates (101), the right end of the screw rod (102) penetrates through and extends to the right side of the right fixing plate (101), two clamping plates (103) in threaded connection with the screw rod are sleeved on the screw rod (102), and one sides of the two clamping plates (103) penetrate through the two fixing plates (101) and extend to the left side and the right side of the box body (1) respectively.

3. The special dynamometer for elevator inspection according to claim 1, wherein: one side of the contact claw (4) is fixedly connected with an anti-slip pad (11), and one side of the anti-slip pad (11) is provided with anti-slip patterns.

4. The special dynamometer for elevator inspection according to claim 1, wherein: the top fixedly connected with locating piece (12) of installation box (6), the top of box (1) alternates have rather than threaded connection's screw rod (13), the bottom rotation of screw rod (13) is connected with location cover (14), the front and the back of location cover (14) all contact with box (1), loudspeaker groove (15) have been seted up to the bottom of location cover (14).

5. The special dynamometer for elevator inspection according to claim 1, wherein: the inner wall of the box body (1) is fixedly connected with two guide covers (16), and the shape of each guide cover (16) is in a horn shape.

6. The special dynamometer for elevator inspection according to claim 1, wherein: the front sides of the two contact claws (4) are fixedly connected with fixing rods (17), and a controller (18) is arranged at the top of the box body (1).