CN210005017U

CN210005017U - Stroke detection device

Info

Publication number: CN210005017U
Application number: CN201921221176.4U
Authority: CN
Inventors: 欧阳周全
Original assignee: Guangdong Remac Equipment Information Technology Co Ltd
Current assignee: Guangdong Ruizhu residential technology Co.,Ltd.
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-01-31
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses an stroke detection device, including the support, compress tightly the subassembly, detect wheel and detection sensor, compress tightly subassembly and support sliding connection, detect the wheel setting on compressing tightly the subassembly, compress tightly the slip of subassembly relative support, drive and detect the wheel and press to being used for supplying and detect wheel pivoted contact surface, detect the sensor and be connected with the detection wheel, the utility model discloses technical scheme is through setting up on the support with support sliding connection's the subassembly that compresses tightly, the detection wheel setting is on compressing tightly the subassembly for compress tightly the subassembly and can slide relative support and drive the detection wheel and press to being used for supplying this detection wheel pivoted contact surface, thereby make stroke detection device at the operation in-process, can guarantee all the time that the detection wheel has the pressure of size at definite range to the contact surface, then avoided the condition that the detection wheel skidded or does not change, detect the rotation angle of detection wheel through the detection sensor simultaneously, obtain the mileage that the detection wheel walked, improved the accuracy that detects.

Description

Stroke detection device

Technical Field

The utility model relates to a stroke detection technical field, in particular to kinds of stroke detection device.

Background

The mileage detection device of the concrete delivery truck is generally installed on the traveling wheels, and the mileage of the concrete delivery truck in the period of time can be obtained by detecting the total rotation angle of the traveling wheels in periods of time.

The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main objective provides kinds of stroke detection device, aims at improving the accuracy that the stroke detected.

In order to achieve the above object, the present invention provides a stroke detection device, which comprises a support, a pressing assembly, a detection wheel and a detection sensor; the pressing assembly is connected with the bracket in a sliding manner; the detection wheel is arranged on the pressing component, and the pressing component slides relative to the bracket to drive the detection wheel to press to a contact surface for the rotation and walking of the detection wheel; the detection sensor is connected with the detection wheel and used for detecting the rotation angle of the detection wheel.

The utility model discloses embodiment, be equipped with the slide rail on the support, it includes the slide to compress tightly the subassembly, it sets up to detect the wheel on the slide, the slide is followed the slide rail slides, drives it presses to detect the wheel the contact surface.

In the utility model discloses embodiment, the subassembly that compresses tightly still includes the elastic component, end of elastic component with leg joint, end in addition with the slide is connected, the elastic component drive the slide is followed the slide rail removes.

In the embodiment of the utility model discloses , the elastic component is the spring, be equipped with two guide arm supports of relative setting on the slide, press from both sides between two guide arm supports and be equipped with the guide arm, the spring housing is established on the guide arm, be equipped with the spring baffle on the support, the spring baffle is located between two guide arm supports, and the guide arm is worn to establish the spring baffle, spring end with the spring baffle butt, end with 's among them the guide arm support butt.

The utility model discloses embodiment, be equipped with spacing driving lever on the slide, be equipped with spacing backstop on the support, spacing backstop is used for the restriction the range of movement of spacing driving lever.

The utility model discloses embodiment, spacing backstop be with support fixed connection's U type draw-in groove, spacing driving lever is located between two groove wallboards of U type draw-in groove.

The utility model discloses embodiment, the stroke detection device still includes drive assembly, the detection sensor pass through drive assembly with detect the wheel and be connected, detection sensor fixed mounting is in on the slide.

The utility model discloses embodiment, the drive assembly includes two synchronous pulleys and cover and establishes two the hold-in range on the synchronous pulley, two among the synchronous pulley with detect wheel coaxial coupling, wherein another with detect the sensor and connect.

In the embodiment of the present invention, the detection sensor is an encoder.

The utility model discloses embodiment, stroke detection device still includes the mount pad, support fixed mounting in on the mount pad.

The utility model discloses technical scheme is through setting up the subassembly that compresses tightly with support sliding connection on the support, the setting of detection wheel is on compressing tightly the subassembly, make to compress tightly the subassembly and can relative support slip drive detection wheel press to be used for supplying this detection wheel to rotate and walk the contact surface of line, thereby make stroke detection device at the operation in-process, can guarantee all the time that the detection wheel has the pressure of size at definite range to the contact surface, then avoided the condition that the detection wheel skidded or does not change, detect the rotation angle of detection wheel through detecting sensor simultaneously, obtain the mileage that the detection wheel walked, the accuracy that the stroke detected has been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of a stroke detection device of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a side view of fig. 1.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				100	Support frame	110	Sliding rail
120	Limit stop	121	Trough wall plate
				200	Hold down subassembly	210	Sliding seat
220	Elastic piece	230	Guide rod support
				240	Guide rod	250	Spring baffle
260	Limiting deflector rod	300	Detection wheel
				400	Detection sensor	500	Transmission assembly
510	Synchronous belt wheel	520	Synchronous belt

The objects, features and advantages of the present invention will be described in connection with the embodiments illustrated in the accompanying drawings, in which reference should be made to the accompanying drawings for a further .

Detailed Description

The technical solution 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, but not all embodiments.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. under a certain posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are changed accordingly.

Furthermore, if there is a description in an embodiment of the present invention referring to "", "second", etc., then this description of "", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicitly indicating the number of technical features indicated.A feature defined as "", "second", etc. may thus explicitly or implicitly include at least of this feature.

The utility model provides an kinds of stroke detection device.

In the embodiment of the present invention, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the stroke detection device includes a bracket 100, a pressing assembly 200, a detection wheel 300 and a detection sensor 400; the pressing assembly 200 is connected with the support 100 in a sliding manner, the detection wheel 300 is arranged on the pressing assembly 200, and the pressing assembly 200 slides relative to the support 100 to drive the detection wheel 300 to press to a contact surface for the rotation and walking of the detection wheel 300; the detection sensor 400 is connected to the detection wheel 300 and serves to detect the rotation angle of the detection wheel 300.

The stroke detection device is mainly used for detecting the mileage of a running transport vehicle, the transport vehicle runs on a track, so the stroke detection device is preferably arranged on the transport vehicle, then the detection wheel 300 is directly contacted with the surface on the track, the surface which is directly contacted with the detection wheel 300 is the contact surface in the embodiment of the utility model, so that the detection wheel 300 can roll with the surface on the track in the running process of the transport vehicle on the track, the bracket 100 is fixedly arranged on the transport vehicle, the compression assembly 200 drives the detection wheel 300 to press towards the contact surface on the track when the transport vehicle runs, so as to ensure that in the running process, the detection wheel 300 always has the pressure of constant range on the contact surface, thereby when the distance between the track and the transport vehicle has constant change or track unevenness, the detection wheel 300 still can roll with the contact surface, meanwhile, the rotation angle of the detection wheel 300 is detected through the detection sensor 400, thereby the rotation number of the detection wheel 300 can be obtained, the stroke of the detection wheel 300 can be calculated by multiplying the number of turns, and the circumference of the detection wheel 300 can be avoided slipping or the condition of the stroke distortion.

It is understood that the support 100 is fixed to the transportation vehicle, the detection wheel 300 is disposed on the pressing assembly 200, and in order to ensure that the detection wheel 300 can always contact with the contact surface, the pressing assembly 200 is slidably connected to the support 300, and the sliding direction of the pressing assembly 200 is consistent with the direction toward or away from the contact surface, in practical application, the pressing assembly 200 may adopt a component with plasticity, or a magnetic adsorption member, etc., as long as it is ensured that the detection wheel 300 can be pressed against the contact surface.

In practical applications, the detecting sensor 400 may be an encoder, and the rotation angle of the detecting wheel 300 is measured by using the connection between the central shaft of the encoder and the detecting wheel 300.

The utility model discloses technical scheme is through setting up the subassembly 200 that compresses tightly with support 100 sliding connection on support 100, it sets up on compressing tightly subassembly 200 to detect wheel 300, make to compress tightly subassembly 200 and can slide relative support 100 and drive detection wheel 300 and press to being used for supplying this detection wheel 300 pivoted contact surface, thereby make stroke detection device in the operation process, can guarantee all the time that detection wheel 300 has the pressure of size at within range certainly to the contact surface, then avoided detection wheel 300 to skid or the condition of not changeing, detect the rotation angle of detection wheel 300 through detecting sensor 400 simultaneously, obtain the mileage that detection wheel 300 walked, the accuracy that the stroke detected has been improved.

referring to fig. 2 and 4, the bracket 100 is provided with a sliding rail 110, the pressing assembly 200 includes a sliding base 210, the detection wheel 300 is disposed on the sliding base 210, the sliding base 210 slides along the sliding rail 110 to drive the detection wheel 300 to press against the contact surface, the sliding rail 110 is disposed on the bracket 100, the sliding base 210 can slide along the sliding rail 110, the sliding stability of the sliding base 210 is improved, the detection wheel 300 is disposed on the sliding base 210, and the stability of the detection wheel 300 moving close to or away from the contact surface is improved.

referring to fig. 1, 2 and 3, the pressing assembly 200 further includes an elastic member 220, wherein an end of the elastic member 220 is connected to the bracket 100, and an end is connected to the sliding seat 210, the elastic member 220 drives the sliding seat 210 to move along the sliding rail 110. when the distance between the transportation vehicle mounted with the stroke detection device and the rail changes, i.e. the contact surface for contacting the detection wheel 300 is uneven, the elastic member 220 drives the sliding seat 210 to move close to or away from the contact surface, and further drives the detection wheel 300 and the contact surface to have a pressure within a certain range of , so as to ensure the rolling motion between the detection wheel 300 and the contact surface, and further improve the accuracy of the stroke detection.

In practical applications, the elastic member 220 may be a spring or a component with plasticity, so long as a pressure is generated on the slider 210 toward the contact surface.

In the embodiment of the present invention , referring to fig. 1, 2 and 3, the elastic member 220 is a spring, the slide 210 is provided with two guide rod holders 230 disposed opposite to each other, the guide rod 240 is sandwiched between the two guide rod holders 230, the spring is sleeved on the guide rod 240, the bracket 100 is provided with a spring baffle 250, the spring baffle 250 is disposed between the two guide rod holders 230, the guide rod 240 penetrates through the spring baffle 250, the end of the spring abuts against the spring baffle 250, the end of the spring abuts against the guide rod holder 230 of the , the two guide rod holders 230 are fixedly disposed on the slide 210, the guide rod 240 is sandwiched between the two guide rod holders 230, the spring is sleeved on the guide rod 240 to perform a guiding function when the spring is deformed, the spring baffle 250 is disposed on the bracket 100, the spring baffle 250 is disposed between the two guide rod holders 230, and the guide rod 240 passes through the guide rod 240, so that the guide rod 240 and the spring can slide relatively between the guide rod holder 230 and the spring baffle 250, thereby enabling the spring to deform the slide 210 and further keeping the pressure of the slide 300 facing the contact surface within a range of the detection wheel .

It can be understood that the spring, the guide rod support 230, the guide rod 240 and the spring stop 250 may be arranged at symmetrical positions on both sides of the carriage 100 and the sliding seat 210, so that the sliding seat 210 is stressed in a balanced manner during the sliding process, and the sliding process is more stable.

In practice, the spring may be disposed on the side of the guide bar holder 230 near the contact surface, with the spring being in a compressed state, which may be a compression spring, and the spring may be disposed on the side of the guide bar holder 230 away from the contact surface, with the spring being in a stretched state, which may be a tension spring.

, referring to fig. 1 and 2, a position-limiting shift lever 260 is disposed on the sliding base 210, a position-limiting stopper 120 is disposed on the bracket 100, and the position-limiting stopper 120 is used to limit the moving range of the position-limiting shift lever 260. the sliding base 210 slides relative to the bracket 100 to drive the position-limiting shift lever 260 to move, and the sliding base 210 is prevented from sliding off the slide rail 110 of the bracket 100 by the limitation of the position-limiting stopper 120 on the position-limiting shift lever 260.

In the embodiment of the present invention , the limiting stopper 120 is a U-shaped slot fixedly connected to the bracket 100, and the limiting lever 260 is located between two slot walls 121 of the U-shaped slot, so that the sliding seat 210 will not fall off the sliding rail 110 no matter whether it moves closer to the contact surface or away from the contact surface.

referring to FIGS. 1, 2, 3 and 4, the stroke sensing device further includes a transmission assembly 500, the sensor 400 is connected to the wheel 300 via the transmission assembly 500, the sensor 400 is fixed on the sliding base 210, the sensor 400 is indirectly connected to the wheel 300, when the wheel 300 is impacted, the sensor 400 will not be impacted directly, so as to prolong the service life of the sensor 400. in practical applications, the transmission assembly 500 may be a belt transmission structure, a chain transmission structure or a gear transmission structure.

In the embodiment of the present invention , referring to fig. 1 and 2, the transmission assembly 500 includes two synchronous pulleys 510 and a synchronous belt 520 sleeved on the two synchronous pulleys 510, the detection wheel 300 is coaxially connected to of the two synchronous pulleys 510, and the detection sensor 400 is connected to another of the two synchronous pulleys 510, the synchronous belt transmission is an engagement belt transmission, which has the advantages of gear transmission and belt transmission, the synchronous belt 520 and the synchronous pulleys 510 transmit motion and power by engagement, so there is no relative sliding between the synchronous belt 520 and the synchronous pulleys 510, and an accurate transmission ratio can be ensured.

, the stroke detecting device further includes a mounting seat (not shown) on which the bracket 100 is fixedly mounted, the mounting seat is mainly used for mounting the stroke detecting device on a transport vehicle needing stroke detection.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

The stroke detection device of kinds, characterized by, include:

a support;

the pressing assembly is connected with the bracket in a sliding manner;

the detection wheel is arranged on the pressing component, and the pressing component slides relative to the bracket to drive the detection wheel to press to a contact surface for the rotation and walking of the detection wheel; and

and the detection sensor is connected with the detection wheel and is used for detecting the rotation angle of the detection wheel.
2. The stroke sensing device of claim 1, wherein the carriage includes a track, and the compression assembly includes a carriage, the sensing wheel being disposed on the carriage, the carriage sliding along the track to urge the sensing wheel against the contact surface.
3. The stroke sensing device of claim 2, wherein said compression assembly further comprises a resilient member, said resilient member being connected to said carriage at end and to said carriage at end , said resilient member urging said carriage along said track.
4. The stroke detection device of claim 3, wherein the elastic member is a spring, the sliding seat is provided with two opposite guide rod supports, a guide rod is clamped between the two guide rod supports, the spring is sleeved on the guide rod, the bracket is provided with a spring baffle plate, the spring baffle plate is positioned between the two guide rod supports, the guide rod penetrates through the spring baffle plate, the end of the spring abuts against the spring baffle plate, and the end of the spring abuts against the guide rod support .
5. The stroke detecting device of any of claims 2-4, wherein the slide is provided with a limit lever, the bracket is provided with a limit stop, and the limit stop is used for limiting the moving range of the limit lever.
6. The stroke detection device of claim 5, wherein the limiting stop is a U-shaped slot fixedly connected with the bracket, and the limiting deflector rod is positioned between two slot wall plates of the U-shaped slot.
7. The stroke detecting device according to any one of claims 2 to 4 and , further comprising a transmission assembly, wherein the detecting sensor is connected with the detecting wheel through the transmission assembly, and the detecting sensor is fixedly mounted on the sliding base.
8. The stroke sensing device as claimed in claim 7, wherein the transmission assembly comprises two synchronous pulleys and a synchronous belt sleeved on the two synchronous pulleys, wherein of the two synchronous pulleys is coaxially connected with the sensing wheel, and the other of the two synchronous pulleys is connected with the sensing sensor.
9. The stroke detecting device according to claim 8, wherein the detecting sensor is an encoder.
10. The stroke detecting device of any one of claims 1 to 4, , further comprising a mounting block, the bracket being fixedly mounted to the mounting block.