CN214527945U - Accurate measuring device for lifting height of forklift gantry - Google Patents

Abstract

The utility model discloses a precise measuring device for the lifting height of a forklift gantry, which belongs to the technical field of gantry lifting height measurement, and comprises a gantry, wherein a supporting rod is arranged on the inner wall of the gantry, a lifting guide wheel is sleeved outside the supporting rod, a first supporting plate is connected with a connecting piece, the first supporting plate and a second supporting plate are fixedly connected with the supporting rod, a measuring device is arranged between the first supporting plate and the second supporting plate, one side of the lifting guide wheel is provided with an induction plate, and six groups of induction through holes are arranged on the induction plate; the transmitter sends a signal, the signal passes through the induction through hole and is received by the receiver, the measuring device records the frequency of the received signal, the rotating number of turns of the lifting guide wheel and the rotating angle of the last turn are detected, the lifting height of the portal frame is further converted, and the problem that the lifting height of the portal frame is not accurate enough in measurement is solved.

Description

Accurate measuring device for lifting height of forklift gantry

Technical Field

The utility model belongs to the technical field of the portal lifting height measures, specifically speaking relates to a fork truck portal lifting height accurate measuring device.

Background

Fork truck is industry haulage vehicle, it loads and unloads to indicate to become tray goods, various wheeled haulage vehicle of stack and short distance transportation operation, the fork truck portal is the main bearing structure of fork truck load handling device, and fork truck portal support fixed mounting is in the bottom of fork truck portal, play the effect of supplementary fork truck portal bearing and increase fork truck portal intensity, to some fork trucks that do not need to jack up, current portal hoisting system structure is complicated, use the pneumatic cylinder to drive, not only further increase the complexity of structure, and the polluted environment, need measure the portal hoisting height in the actual operation process, still there is the problem that portal hoisting height measures not accurate enough.

SUMMERY OF THE UTILITY MODEL

Aiming at the problem that the existing forklift gantry lifting height measurement is not accurate enough, the invention provides the accurate measurement device for the forklift gantry lifting height, and the problems in the background art are effectively solved through the matched use of the gantry, the measurement device, the induction plate, the lifting guide wheel, the supporting plate and other components.

In order to solve the above problem, the utility model adopts the following technical scheme: including the portal, the inner wall of portal on be provided with the bracing piece, the bracing piece outside cup jointed and played the leading wheel, the both sides of playing to rise the leading wheel be provided with the backup pad, the backup pad include first backup pad, second backup pad, first backup pad be connected with the connecting piece, first backup pad, second backup pad all with bracing piece fixed connection, first backup pad and second backup pad between be provided with measuring device, one side of playing to rise the leading wheel be provided with the tablet, the tablet on seted up six groups response through-holes.

Preferably, the upper surface of workstation seted up flutedly, the quantity of connecting piece have two sets ofly, and be axisymmetric about the perpendicular centerline of backup pad, first backup pad pass through the connecting piece and be connected with the second backup pad, measuring device include receiver and transmitter, the transmitter set up in one side of first backup pad, the receiver set up in one side of second backup pad.

Preferably, six groups of response through-holes be annular equidistance and arrange at the response board surface, first backup pad side surface be provided with proximity switch, the outside that rises to rise the leading wheel cup jointed the chain, backup pad upper end be provided with the locating part.

Preferably, a lifting baffle is arranged on one side of the portal frame, a fork frame is welded on one side of the lifting baffle, the inner side of the upper end of the portal frame is connected with two groups of cross beams, and the two groups of fork frames are axially symmetrical about the vertical center line of the lifting baffle.

Preferably, the chain is connected with a gear, one side of the gear is connected with a rotating shaft, and one end of the rotating shaft is connected with a lifting motor.

Preferably, the lifting motor is rotationally connected with the gear through a rotating shaft; the gear is meshed with the chain and is connected with the chain, the chain is provided with a connecting assembly, and the connecting assembly is fixedly connected with the lifting baffle.

Advantageous effects

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

the utility model discloses in, drive through the chain and play to rise the leading wheel and rotate, play to rise the leading wheel and take the dynamic response board to rotate, the transmitter signals in the first backup pad, the signal of sending passes the response through-hole on the response board and is received by the receiver, measuring device note received signal's number of times, detect out and play to rise the leading wheel pivoted number of turns and last round pivoted angle, further can calculate the lifting height of portal, solved the problem that portal lifting height measurement is accurate inadequately.

In the utility model, the lifting motor drives the gear to rotate when working; the gear drives the chain to rotate, the lifting baffle and the fork frame are driven to lift through the chain, power is provided for the lifting baffle and the lifting of the fork frame through the gear chain transmission system, the structure of the fork frame lifting device is simplified, an original lifting hydraulic oil cylinder is omitted, the arrangement of high-pressure pipelines on a reduced fork frame is omitted, and the problem that the normal operation cannot be realized due to the fault of the high-pressure pipelines is solved.

Drawings

Fig. 1 is a schematic perspective view of a precise measurement device for the lifting height of a forklift gantry in embodiment 1;

FIG. 2 is a schematic view of a connection structure of internal components of the precise measuring device for the lifting height of the forklift mast in the embodiment 1;

fig. 3 is a schematic perspective view of a guide wheel in the precise measuring device for the lifting height of the forklift gantry in the embodiment 1;

fig. 4 is a schematic view of a connection structure of a motor and a gear in the accurate measuring device for the lifting height of the forklift mast in the embodiment 1.

The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:

10. a gantry; 11. a lifting baffle plate; 12. a cross beam; 13. a fork carriage;

20. a support bar; 21. lifting a guide wheel; 22. a support plate; 221. a first support plate;

222. a second support plate; 23. a measuring device; 231. an induction plate; 232. sensing the through hole;

233. a proximity switch; 24. a limiting member; 25. a connecting member;

30. a hoisting motor; 31. a rotating shaft; 32. a gear; 33. and a chain.

Detailed Description

The invention will be further described below in connection with specific embodiments.

Example 1

As shown in fig. 1 to 4, which are schematic three-dimensional structural diagrams of a precise measurement device for a forklift mast lifting height according to a preferred embodiment of the present invention, the precise measurement device for a forklift mast lifting height according to the present embodiment includes a mast 10, a lifting baffle 11 is disposed on one side of the mast 10, a fork frame 13 is welded on one side of the lifting baffle 11, a cross beam 12 is connected to an inner side of an upper end of the mast 10, the fork frames 13 are two in number, and are axisymmetric with respect to a vertical center line of the lifting baffle 11;

the inner wall of the gantry 10 is provided with a support rod 20, the outer side of the support rod 20 is sleeved with a lifting guide wheel 21, two sides of the lifting guide wheel 21 are provided with support plates 22, each support plate 22 comprises a first support plate 221 and a second support plate 222, the first support plate 221 is connected with connecting pieces 25, the number of the connecting pieces 25 is two, the two connecting pieces are axisymmetric with respect to the vertical center line of the support plate 22, the first support plate 221 is connected with the second support plate 222 through the connecting pieces 25, the first support plate 221 and the second support plate 222 are fixedly connected with the support rod 20, a measuring device 23 is arranged between the first support plate 221 and the second support plate 222, the measuring device 23 comprises a receiver and a transmitter, the transmitter is arranged on one side of the first support plate 221, the receiver is arranged on one side of the second support plate 222, an induction plate 231 is arranged on one side of the lifting guide wheel 21, six groups of induction through holes 232 are formed in the induction plate 231, the six groups of induction through holes 232 are annularly and equidistantly distributed on the surface of the induction plate 231, a proximity switch 233 is arranged on the surface of one side of the first supporting plate 221, a chain 33 is sleeved on the outer side of the lifting guide wheel 21, a limiting part 24 is arranged at the upper end of the supporting plate 22, and the limiting part 24 limits the chain 33;

in this embodiment, the chain 33 rotates to drive the lifting guide wheel 21 to rotate, the lifting guide wheel 21 drives the induction plate 231 to rotate, the transmitter on the first supporting plate 221 sends a signal, the sent signal passes through the induction through hole 232 on the induction plate 231 and is received by the receiver, the measuring device 23 records the frequency of receiving the signal, detects the number of rotating turns of the lifting guide wheel 21 and the rotating angle of the last turn, further converts the lifting height of the gantry 10, and solves the problem that the lifting height of the gantry 10 is not accurate enough in measurement.

Example 2

As shown in fig. 3 to 4, which are schematic views of a connection structure between a motor and a gear in a precise measurement device for a lifting height of a forklift mast according to another preferred embodiment of the present invention, on the basis of embodiment 1, the connection structure between the motor and the gear in the precise measurement device for the lifting height of a forklift mast according to this embodiment includes the lifting motor 30, the chain 33 is connected to the gear 32, one side of the gear 32 is connected to the rotating shaft 31, the rotating shaft 31 is connected to the lifting motor 30, and the lifting motor 30 is rotatably connected to the gear 32 through the rotating shaft 31; the gear 32 is meshed with the chain 33, a connecting assembly is arranged on the chain 33, and the connecting assembly is fixedly connected with the lifting baffle 11;

in this embodiment, the lifting motor 30 drives the gear 32 to rotate through the rotating shaft 31 when working; the gear 32 drives the chain 33 to rotate, the lifting baffle 11 and the fork frame 13 are driven to lift through the chain 33, power is provided for lifting of the lifting baffle 11 and the fork frame 13 through the gear 32 and the chain 33 transmission system, the structure of a lifting device of the fork frame 13 is simplified, an original lifting hydraulic oil cylinder is omitted, arrangement of high-pressure pipelines on the forklift gantry 10 is reduced, and the problem that normal work cannot be performed due to faults of the high-pressure pipelines is solved.

The above description is for further details of the present invention, and it is not assumed that the embodiments of the present invention are limited to these descriptions, and it is obvious to those skilled in the art that the present invention can be implemented by a plurality of simple deductions or replacements without departing from the concept of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.

Claims (6)

1. A lifting height accurate measuring device for a forklift gantry comprises a gantry (10), wherein a support rod (20) is arranged on the inner wall of the gantry (10), and a lifting guide wheel (21) is sleeved on the outer side of the support rod (20);

the method is characterized in that:

the both sides of rising leading wheel (21) be provided with backup pad (22), backup pad (22) including first backup pad (221), second backup pad (222), first backup pad (221) be connected with connecting piece (25), first backup pad (221), second backup pad (222) all with bracing piece (20) fixed connection, first backup pad (221) and second backup pad (222) between be provided with measuring device (23), one side of rising leading wheel (21) be provided with tablet (231), tablet (231) on seted up six and organized response through-hole (232).

2. The accurate measuring device of claim 1 for the lift height of a forklift mast, characterized in that: the quantity of connecting piece (25) have two sets ofly, and be axisymmetric about the perpendicular center line of backup pad (22), first backup pad (221) pass through connecting piece (25) and be connected with second backup pad (222), measuring device (23) include receiver and transmitter, the transmitter setting in one side of first backup pad (221), the receiver setting in one side of second backup pad (222).

3. The accurate measuring device of claim 1 for the lift height of a forklift mast, characterized in that: six group response through-holes (232) be annular equidistance on tablet (231) surface and arrange, first backup pad (221) a side surface be provided with proximity switch (233), the outside of rising to rise leading wheel (21) cup jointed chain (33), the upper end of backup pad (22) be provided with locating part (24).

4. The accurate measuring device of claim 1 for the lift height of a forklift mast, characterized in that: one side of the portal frame (10) is provided with a lifting baffle (11), one side of the lifting baffle (11) is welded with a fork frame (13), the inner side of the upper end of the portal frame (10) is connected with a cross beam (12), the number of the fork frames (13) is two, and the two fork frames are axisymmetric about the vertical center line of the lifting baffle (11).

5. The accurate measuring device of forklift mast lifting height of claim 3, characterized in that: chain (33) be connected with gear (32), one side of gear (32) be connected with axis of rotation (31), axis of rotation (31) one end be connected with and rise motor (30).

6. The accurate measuring device of claim 5, characterized in that: the lifting motor (30) is rotationally connected with the gear (32) through a rotating shaft (31); gear (32) be connected with chain (33) meshing, chain (33) on be provided with coupling assembling, coupling assembling and lifting baffle (11) fixed connection.

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