CN212340096U

CN212340096U - Measuring device for elevator truss deflection

Info

Publication number: CN212340096U
Application number: CN202020795617.8U
Authority: CN
Inventors: 黄维伟
Original assignee: Guangdong Zhanyang Elevator Parts Co ltd
Current assignee: Guangdong Zhanyang Elevator Parts Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2021-01-12
Anticipated expiration: 2030-05-14

Abstract

The utility model discloses a measuring device of elevator truss degree of interference, including the table body and measuring staff, the fixed lifter and fastening screw that is provided with in surface upper end of the table body, the fixed central siphon that is provided with in surface lower extreme of the table body, the lower extreme embedding of central siphon is provided with the measuring staff, the end fixing of measuring staff is provided with the gauge head, the surface slip cover of central siphon is equipped with first sleeve, the surface slip cover of first sleeve is equipped with the second sleeve, the upper end of second sleeve is fixed to be set up at the lower surface of the table body, and the one end that first sleeve imbeds inside the second sleeve is fixed and is provided with the sliding ring, and the surface cover of central siphon is equipped with first reset spring; through designing the locating lever, the lower extreme and the gauge head of locating lever are all on the coplanar, and the locating lever is fixed to be provided with a plurality ofly for the lower extreme of percentage table becomes the plane contact that the multiple point formed by single point contact, avoids the gauge head slope to appear, improves and measures the precision, and then improves the calculation precision of elevator truss disturbance degree.

Description

Measuring device for elevator truss deflection

Technical Field

The utility model belongs to the technical field of the production of elevator truss, concretely relates to measuring device of elevator truss disturbance degree.

Background

The elevator truss is a metal framework of the escalator and plays a role in supporting the elevator, all parts of a ladder way system are arranged in the truss, a handrail system is basically fixed on the truss, manufacturers for producing the escalator in China generally use an artificial welding mode to complete production of the truss, and in order to ensure that the deflection of the truss meets the design requirement, the deflection of the truss needs to be measured and calculated, and is generally measured by a dial indicator or a displacement meter.

The existing dial indicator for measuring the elevator truss deflection has the problems that a measuring rod of the dial indicator needs to be perpendicular to a surface to be measured in the using process, absolute perpendicularity is difficult to achieve by manually holding the dial indicator, a certain inclination angle exists between the measuring rod and the surface to be measured, measured data generates certain errors, and the deflection calculation result is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a measuring device of elevator truss degree of interference to solve the current elevator truss degree of interference that provides among the above-mentioned background art and measure and use the percentage table, there is the percentage table in the use, its measuring staff needs the perpendicular to face of awaiting measuring, and manual gripping percentage table is difficult to accomplish absolutely perpendicular, has certain angle of inclination between measuring staff and the face of being surveyed, leads to measured data to produce certain error, influences the problem of degree of interference calculation result.

In order to achieve the above object, the utility model provides a following technical scheme: a measuring device for the truss deflection of an elevator comprises a meter body and a measuring rod, wherein the upper end of the outer surface of the meter body is fixedly provided with a lifting rod and a fastening screw, the lower end of the outer surface of the watch body is fixedly provided with a shaft tube, the lower end of the shaft tube is embedded with a measuring rod, the end part of the measuring rod is fixedly provided with a measuring head, the outer surface of the shaft tube is slidably sleeved with a first sleeve, the outer surface of the first sleeve is sleeved with a second sleeve in a sliding way, the upper end of the second sleeve is fixedly arranged on the lower surface of the watch body, a slip ring is fixedly arranged at one end of the first sleeve, which is embedded into the second sleeve, a first return spring is sleeved on the outer surface of the shaft tube, the slip ring is tightly pressed with the first return spring, one end of the first sleeve, which extends out of the second sleeve, is surrounded and fixedly provided with positioning rods which are uniformly distributed, and the lower surfaces of the positioning rods and the lower surfaces of the measuring heads are on the same plane.

Preferably, the upper end of the measuring head is provided with an internal thread hole, the lower end of the measuring rod is fixedly provided with an external thread column, and the internal thread hole is matched with the external thread column.

Preferably, the lower end surface of the positioning rod is a spherical surface.

Preferably, the fixed ring lid that is provided with of back surface of the table body, the embedded handle that is provided with of ring lid, the ring groove has been seted up to the internal surface lower extreme of ring lid, it is provided with the ring board to slide in the ring groove, and the fixed spacing traveller that is provided with of ring inslot, the slip of spacing traveller runs through the ring board, and the pot head is equipped with second reset spring under the surface of spacing traveller, along seting up the second spout that runs through the ring groove in the upper surface of ring lid, the first spout that is parallel to each other with the second spout is seted up to the interior top surface of ring groove, the surface of handle encircles and has set firmly the slider.

Preferably, the width of the sliding block is equal to the width of the opening of the second sliding chute, the opening sizes of the first sliding chute and the second sliding chute are the same, and an arc chamfer is arranged at the opening end of one side surface of the first sliding chute, which is close to the second sliding chute.

Preferably, the inner bottom surface of the circular ring cover is provided with a nut accommodating groove, and the inner bottom surface of the nut accommodating groove is provided with a mounting hole.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) through designing the locating lever, the lower extreme and the gauge head of locating lever are all on the coplanar, and the locating lever is fixed to be provided with a plurality ofly for the lower extreme of percentage table becomes the plane contact that the multiple point formed by single point contact, avoids the gauge head slope to appear, improves and measures the precision, and then improves the calculation precision of elevator truss disturbance degree.

(2) Have the gauge head in internal thread hole through the design, be convenient for in time change the gauge head of wearing and tearing, guarantee percentage table measurement precision sets up ring lid and handle, presses down and rotates the dismouting that the handle can accomplish the handle, makes things convenient for gripping of percentage table to use and dismantlement to accomodate, sets up the nut that has the mounting hole and accomodates the groove, the ring lid of being convenient for is fixed.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of a second sleeve of the present invention;

FIG. 3 is a rear view of the watch body of the present invention;

FIG. 4 is a side view of the ring cover and the handle of the present invention;

FIG. 5 is a perspective view of the ring cover and the handle of the present invention;

in the figure: 1. lifting a rod; 2. a watch body; 3. a second sleeve; 4. a first sleeve; 5. an axle tube; 6. a measuring rod; 7. a measuring head; 8. positioning a rod; 9. fastening screws; 10. a slip ring; 11. a first return spring; 12. a ring cover; 13. a handle; 14. a slider; 15. a circular groove; 16. a circular ring plate; 17. a limiting sliding column; 18. a second return spring; 19. a nut receiving groove; 20. chamfering with an arc; 21. a first chute; 22. a second runner.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

Referring to fig. 1-5, the present invention provides a technical solution: a measuring device for the interference degree of an elevator truss comprises a meter body 2 and a measuring rod 6, a lifting rod 1 and a fastening screw 9 are fixedly arranged at the upper end of the outer surface of the meter body 2, a shaft tube 5 is fixedly arranged at the lower end of the outer surface of the meter body 2, the measuring rod 6 is embedded into the lower end of the shaft tube 5, a measuring head 7 is fixedly arranged at the end part of the measuring rod 6, a first sleeve 4 is sleeved on the outer surface of the shaft tube 5 in a sliding manner, a second sleeve 3 is sleeved on the outer surface of the first sleeve 4 in a sliding manner, the upper end of the second sleeve 3 is fixedly arranged on the lower surface of the meter body 2, a sliding ring 10 is fixedly welded at one end of the first sleeve 4, which is embedded into the second sleeve 3, a first return spring 11 is sleeved on the outer surface of the shaft tube 5, the sliding ring 10 is tightly pressed with the first return spring 11, one end of the first sleeve 4, which extends out of, and the lower terminal surface of locating lever 8 sets up to the sphere, reduces its contact surface, improves contact surface smoothness, reduces wearing and tearing.

In this embodiment, an internal thread hole has been seted up to the upper end of gauge head 7, and the lower extreme welded fastening of measuring staff 6 has the external screw thread post, and the internal thread hole cooperatees with the external screw thread post, sets up gauge head 7 that has the internal thread hole, the change of gauge head 7 of being convenient for.

In this embodiment, the fixed ring lid 12 that is provided with of rear surface of the table body 2, the embedding is provided with handle 13 in the ring lid 12, ring groove 15 has been seted up to the internal surface lower extreme of ring lid 12, it is provided with ring board 16 to slide in the ring groove 15, and ring groove 15 internal fixation is provided with spacing traveller 17, spacing traveller 17 slides and runs through ring board 16, the pot head is equipped with second reset spring 18 under the surface of spacing traveller 17, along seting up the second spout 22 that runs through ring groove 15 in the upper surface of ring lid 12, first spout 21 that is parallel to each other with second spout 22 is seted up to the interior top surface of ring groove 15, the surface of handle 13 is encircleed and is set firmly three slider 14, set up handle 13, be convenient for grip the control percentage table, set up ring lid 12, be convenient for the dismouting of handle 13.

In this embodiment, the width of the slider 14 is equal to the opening width of the second chute 22, the opening sizes of the first chute 21 and the second chute 22 are the same, the opening end of one side of the first chute 21 close to the second chute 22 is provided with the arc chamfer 20, and the arc chamfer 20 is arranged, so that the slider 14 can be rapidly and accurately embedded into the first chute 21.

In this embodiment, the nut accommodating groove 19 has been seted up to the interior bottom surface of ring lid 12, and the mounting hole has been seted up to the interior bottom surface of nut accommodating groove 19, sets up the nut accommodating groove 19 that has the mounting hole, and the ring lid 12 of being convenient for passes through the screw installation fixed.

The utility model discloses a theory of operation and use flow: by arranging the positioning rod 8, when the dial indicator is used for measurement, the position to be measured is aligned and pressed forcibly, the positioning rod 8 and the measuring head 7 both bear pressure, the measuring head 7 slides and contracts towards the shaft tube 5 along with the measuring rod 6, the positioning rod 8 slides and contracts towards the second sleeve 3 along with the first sleeve 4, the lower end of the dial indicator is changed into plane contact formed by multiple points from single point contact at the moment, all the positioning rods 8 synchronously move, the problem that the measuring head 7 cannot incline is solved, the measurement accuracy is improved, and further the calculation accuracy of the truss interference of the elevator is improved;

through the arrangement of the measuring head 7 with the internal thread hole, the measuring head 7 is convenient to replace in time after the spherical surface at the end part of the measuring head 7 is worn, the measuring accuracy of the dial indicator is guaranteed, the ring cover 12 and the handle 13 are arranged, the sliding block 14 is aligned to the second sliding groove 22, the handle 13 is embedded into the ring cover 12, then the handle 13 is pushed inwards to extrude the ring plate 16, then the ring plate rotates along the ring groove 15 until the sliding block 14 is embedded into the first sliding groove 21 in a sliding manner, at the moment, the extrusion on the ring plate 16 is loosened, the sliding block 14 is extruded by the ring plate 16 under the action of the second reset spring 18, the clamping and fastening of the ring cover 12 and the handle 13 are ensured, the measurement of the dial indicator is conveniently controlled through the handle 13, meanwhile, the quick disassembly and assembly of the handle 13 are convenient, the carrying of equipment is convenient, the nut accommodating groove 19 with the mounting hole is arranged, the ring cover 12 is convenient to install and, the disassembly and assembly of the ring cover 12 and the handle 13 are not affected.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a measuring device of elevator truss degree of interference, includes table body (2) and measuring staff (6), the fixed shadoof (1) and fastening screw (9) of being provided with in the surface upper end of table body (2), the fixed central siphon (5) that is provided with of surface lower extreme of table body (2), the lower extreme embedding of central siphon (5) is provided with measuring staff (6), the end fixing of measuring staff (6) is provided with gauge head (7), its characterized in that: the surface of central siphon (5) slides and overlaps and is equipped with first sleeve (4), the surface of first sleeve (4) slides and overlaps and is equipped with second sleeve (3), the fixed lower surface that sets up at table body (2) in upper end of second sleeve (3), the fixed sliding ring (10) that is provided with of one end that first sleeve (4) embedding second sleeve (3) inside, the surface cover of central siphon (5) is equipped with first reset spring (11), sliding ring (10) sticiss with first reset spring (11) mutually, the one end that first sleeve (4) stretches out second sleeve (3) encircles and sets firmly evenly distributed's locating lever (8), the lower surface of locating lever (8) and the lower surface of gauge head (7) are on the coplanar.

2. The elevator truss deflection measuring device of claim 1, wherein: an internal thread hole is formed in the upper end of the measuring head (7), an external thread column is fixedly arranged at the lower end of the measuring rod (6), and the internal thread hole is matched with the external thread column.

3. The elevator truss deflection measuring device of claim 1, wherein: the lower end face of the positioning rod (8) is a spherical surface.

4. The elevator truss deflection measuring device of claim 1, wherein: the fixed ring lid (12) that is provided with of rear surface of the table body (2), embedded handle (13) that is provided with in ring lid (12), ring groove (15) have been seted up to the internal surface lower extreme of ring lid (12), it is provided with ring board (16) to slide in ring groove (15), and ring groove (15) internal fixation is provided with spacing traveller (17), spacing traveller (17) slide and run through ring board (16), and the pot head is equipped with second reset spring (18) under the surface of spacing traveller (17), along offering second spout (22) that run through ring groove (15) in the upper surface of ring lid (12), first spout (21) that are parallel to each other with second spout (22) are seted up to the interior top surface of ring groove (15), the surface of handle (13) is encircleed and is set firmly slider (14).

5. The elevator truss deflection measuring device of claim 4, wherein: the width of the sliding block (14) is equal to the opening width of the second sliding groove (22), the opening sizes of the first sliding groove (21) and the second sliding groove (22) are the same, and an arc chamfer (20) is arranged at the opening end of one side face, close to the second sliding groove (22), of the first sliding groove (21).

6. The elevator truss deflection measuring device of claim 4, wherein: the inner bottom surface of the ring cover (12) is provided with a nut accommodating groove (19), and the inner bottom surface of the nut accommodating groove (19) is provided with a mounting hole.