CN210376427U - Mining belt speed protection test device - Google Patents

Abstract

The utility model belongs to the technical field of mining maintenance apparatus and specifically relates to a mining belt speed protection test device, including a fixed beam that is located the belt both sides, be equipped with the crossbeam that a level set up in the top of belt, be equipped with a speed sensor above the belt of the front side of crossbeam, the inside and outside both sides of the gyro wheel part in contact rotation speed sensor symmetry respectively are equipped with a connecting rod piece, two the front end of connecting rod piece be used for with the rotation connection is realized to the both sides of gyro wheel among the contact rotation speed sensor, and the rear end of two connecting rod pieces is connected on the crossbeam, through tie-beam fixed connection between two movable rods, be equipped with an inspection regulating part at contact rotation speed sensor's front end. Use this device back need not just can realize quick inspection with the help of extra instrument, has reduced the potential safety hazard that exists in the belt moves fast among the traditional inspection mode, ensures personnel's experimental operation safety, has improved daily work efficiency.

Description

Mining belt speed protection test device

Technical Field

The utility model belongs to the technical field of mining maintenance apparatus and specifically relates to a mining belt speed protection test device.

Background

According to the provisions of the 374 th item of coal mine safety regulations, various protections of the belt conveyor must be sensitive and reliable in order to ensure the safe operation of the belt. Most of the existing mining speed protection sensors are formed by directly fixing the sensors on a belt frame and drawing the sensors; when daily maintenance personnel check the test sensor, the speed sensor is required to be separated from the running belt surface by means of other tools, the operation mode enables the belt operation personnel to have high test danger during operation, and potential safety hazards brought to the maintenance test personnel are high.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the technical scheme that one of above-mentioned technical problem adopted and be: a mining belt speed protection test device comprises fixed beams positioned on two sides of a belt, a horizontally arranged cross beam is arranged above the belt, two ends of the cross beam are fixed on the tops of the two fixed beams through bolts and nuts respectively, a speed sensor is arranged above the belt on the front side of the cross beam and is a contact type rotation speed sensor, a connecting rod piece is symmetrically arranged on each of the inner side and the outer side of a roller part in the contact type rotation speed sensor, the front ends of the two connecting rod pieces are used for being in rotary connection with two sides of a roller in the contact type rotation speed sensor, the rear ends of the two connecting rod pieces are connected to the cross beam, the two movable rods are fixedly connected through a connecting beam, the sensor of the contact type rotation speed sensor is connected with an external controller through a signal line, and an inspection adjusting piece is arranged at the front end of the contact type rotation speed sensor, the checking and adjusting piece is used for separating the contact type rotating speed sensor from the belt surface of the belt.

Preferably, the inspection adjusting part comprises two vertical plates which are respectively fixed on the side walls of the fixed beams at the front sides of the two speed sensors, the upper parts of the two vertical plates are respectively provided with a coaxially arranged rotating hole, a horizontal rotating shaft is arranged between the two vertical plates, the inner end and the outer end of the horizontal rotating shaft respectively penetrate through the rotating holes in the corresponding vertical plates in a movable manner and extend out of the vertical plates, the outer side wall of the horizontal rotating shaft in one rotating hole of the vertical plates is provided with an insertion hole, the rear side wall of the vertical plate is provided with a horizontal pin hole, the inner end of the horizontal pin hole is communicated with the rotating hole of the vertical plate, a fixed pin is inserted in the horizontal pin hole, the inner end of the fixed pin is used for being inserted in the insertion hole to limit the horizontal rotating shaft, and the rear side of the middle part of the horizontal.

Preferably, the supporting member comprises an active pull rod fixedly welded on the rear side of the middle section of the horizontal rotating shaft, a passive pull rod is movably hinged at the lower end of the active pull rod, a flat beam arranged in parallel on the front side of the roller is fixedly welded at the bottom of the passive pull rod, two supporting rods are fixedly connected on the rear sides of the inner end and the outer end of the flat beam respectively, and the rear ends of the two supporting rods are movably sleeved on the outer side walls of the short shafts at the two ends of the roller through rotating holes.

Preferably, the connecting rod piece includes a fixed rod and a movable rod, a plurality of through holes are respectively arranged on each fixed rod and each movable rod at intervals along the length direction of the fixed rod and each movable rod, the rear end of the fixed rod is fixed on the cross beam, the front end of the fixed rod is movably hinged with the rear end of the movable rod at the corresponding position, the front ends of the two movable rods are respectively provided with a supporting rotating hole used for being matched with a short shaft fixedly connected with the two end faces of the roller, and the short shafts fixedly connected with the two end faces of the roller are movably inserted into the supporting rotating holes at the corresponding position.

Preferably, the roller is an anti-skid rubber roller with anti-skid stripes arranged on the surface. The surface of the roller is made of rubber materials with large friction coefficient, so that the slip can be effectively reduced.

The beneficial effects of the utility model are embodied in: the problem of the relatively loaded down with trivial details operation of inspection sensor in the daily maintenance process is solved, need not just can realize quick inspection with the help of extra instrument after using this device, reduced the potential safety hazard that exists in the belt fast run among the traditional inspection mode, ensure personnel's experimental operation safety, improved daily work efficiency.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or components are generally identified by like reference numerals. In the drawings, elements or components are not necessarily drawn to scale.

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic sectional view of fig. 1.

Fig. 3 is a partial sectional structural view of the portion B in fig. 1.

Fig. 4 is a schematic perspective view of the present invention.

In the figure, 1, a belt; 2. A fixed beam; 3. a cross beam; 4. A speed sensor; 5. A roller; 6. a link member; 7. a connecting beam; 8. checking the adjusting piece; 51. a minor axis; 61. fixing the rod; 62. a movable rod; 63. a through hole; 80. a flat beam; 81. a vertical plate; 82. a horizontal rotation axis; 83. inserting holes; 84. a horizontal pin hole; 85. a fixing pin; 86. an operating handle; 87. an active pull rod; 88. a passive tie rod; 89. a supporting rod.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and therefore are only examples, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1-4, a mining belt speed protection testing device comprises a fixed beam 2 located at two sides of a belt 1, a horizontally arranged beam 3 is arranged above the belt 1, two ends of the beam 3 are respectively fixed at the tops of the two fixed beams 2 through bolts and nuts, a speed sensor 4 is arranged above the belt 1 at the front side of the beam 3, the speed sensor 4 is a contact type rotation speed sensor 4, a connecting rod piece 6 is respectively and symmetrically arranged at the inner side and the outer side of a roller 5 part in the contact type rotation speed sensor 4, the front ends of the two connecting rod pieces 6 are used for realizing rotary connection with two sides of the roller 5 in the contact type rotation speed sensor 4, the rear ends of the two connecting rod pieces 6 are connected to the beam 3, the two movable rods 62 are fixedly connected through a connecting beam 7, the sensor of the contact type rotation speed sensor 4 is connected with an external controller through a signal line, a checking and adjusting part 8 is arranged at the front end of the contact type rotating speed sensor 4, and the checking and adjusting part 8 is used for separating the contact type rotating speed sensor 4 from the belt surface of the belt 1.

Need break away from 1 face of belt with fast rotary's speedtransmitter 4 when maintenance inspection personnel carry out speed protection test, this device can realize supporting it fast and fix through the inspection regulating part 8 that sets up, can be convenient for follow-up inspection operation, safe and reliable in the operation process.

Preferably, the checking and adjusting part 8 comprises two vertical plates 81 respectively fixed on the side walls of the fixed beams 2 at the front sides of the two speed sensors 4, the upper parts of the two vertical plates 81 are respectively provided with a coaxially arranged rotating hole, a horizontal rotating shaft 82 is arranged between the two vertical plates 81, the inner end and the outer end of the horizontal rotating shaft 82 respectively penetrate through the rotating holes on the corresponding vertical plates 81 and extend out of the vertical plates 81, an inserting hole 83 is arranged on the outer side wall of the horizontal rotating shaft 82 in the rotating hole of one vertical plate 81, a horizontal pin hole 84 is arranged on the rear side wall of the vertical plate 81, the inner end of the horizontal pin hole 84 is communicated with the rotating hole of the vertical plate 81, a fixing pin 85 is inserted into the horizontal pin hole 84, the inner end of the fixing pin 85 is inserted into the insertion hole 83 to limit the horizontal rotating shaft 82, a supporting piece for supporting the roller 5 of the speed sensor 4 is fixedly connected to the rear side of the middle part of the horizontal rotating shaft 82. An operating handle 86 is provided at the outer end of the horizontal rotary shaft 82.

Preferably, the supporting member includes an active pull rod 87 fixedly welded to the rear side of the middle section of the horizontal rotating shaft 82, a passive pull rod 88 is movably hinged to the lower end of the active pull rod 87, a flat beam 80 arranged in parallel to the front side of the roller 5 is fixedly welded to the bottom of the passive pull rod 88, supporting rods 89 are fixedly connected to the rear sides of the inner and outer ends of the flat beam 80, and the rear ends of the two supporting rods 89 are movably sleeved on the outer side walls of the short shafts 51 at the two ends of the roller 5 through rotary holes.

Because the rear ends of the two movable rods 62 connected with the roller 5 are in a movable hinged state, and in addition, the passive pull rod 88 and the active pull rod 87 for supporting the roller 5 are also in a hinged state, the flexibility is high in the process of operating, the fluency when the roller 5 is lifted can be ensured, and the motion resistance is reduced.

Preferably, the link member 6 includes a fixed rod 61 and a movable rod 62, a plurality of through holes 63 are respectively formed in each fixed rod 61 and each movable rod 62 at intervals along the length direction thereof, the rear end of the fixed rod 61 is fixed to the cross beam 3, the front end of the fixed rod 61 is movably hinged to the rear end of the movable rod 62 at the corresponding position, the front ends of the two movable rods 62 are respectively provided with supporting rotation holes for matching with the short shafts 51 fixedly connected to the two end faces of the roller 5, and the short shafts 51 fixedly connected to the two end faces of the roller 5 are movably inserted into the supporting rotation holes at the corresponding position.

Preferably, the roller 5 is an anti-skid rubber roller 5 with anti-skid stripes on the surface. The surface of the roller 5 is made of rubber materials with large friction coefficient, so that the slip can be effectively reduced.

When the device is used, the horizontal rotating shaft 82 can be driven to rotate by holding the tail end of the operating handle 86, so that the bearing part is driven to move upwards, the roller 5 is stressed and the rear ends of the two movable rods 62 connected with the roller 5 are in a movable hinged state, so that the roller 5 can move upwards and is separated from the belt surface of the belt 1, when the horizontal rotating shaft 82 rotates to a position, the fixing pin 85 is directly inserted into the horizontal pin hole 84 and the inserting hole 83 to fix the horizontal rotating shaft 82, and finally, the roller is erected and positioned, and a maintenance worker can perform subsequent maintenance operation conveniently.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification; to those skilled in the art, any alternative improvements or changes made to the embodiments of the present invention are all within the scope of the present invention.

The parts of the present invention not described in detail are the known techniques of those skilled in the art.

Claims (5)

1. The utility model provides a mining belt speed protection test device which characterized in that: including a fixed beam who is located the belt both sides, be equipped with the crossbeam that a level set up in the top of belt, the both ends of crossbeam are fixed two through bolt, nut respectively the top of fixed beam is equipped with a speedtransmitter in the belt top of the front side of crossbeam, speedtransmitter is contact rotation rate sensor, and the inside and outside both sides of the gyro wheel part in contact rotation rate sensor symmetry respectively are equipped with a connecting rod piece, two the front end of connecting rod piece be used for with the both sides of the gyro wheel in the contact rotation rate sensor realize rotating the connection, and the rear end of two connecting rod pieces is connected on the crossbeam, through tie-beam fixed connection between two movable rods, be equipped with an inspection regulating part at contact rotation rate sensor's front end, the inspection regulating part is used for realizing the area face that breaks away from the belt with contact rotation rate sensor.

2. The mining belt speed protection test device according to claim 1, characterized in that: the inspection adjusting part comprises two vertical plates which are respectively fixed on the side walls of the fixed beams at the front sides of the two speed sensors, a rotating hole which is coaxially arranged is respectively arranged at the upper parts of the two vertical plates, a horizontal rotating shaft is arranged between the two vertical plates, the inner end and the outer end of the horizontal rotating shaft respectively movably penetrate through the rotating hole on the corresponding vertical plate and extend out of the vertical plate, an inserting hole is arranged on the outer side wall of the horizontal rotating shaft in one vertical plate rotating hole, a horizontal pin hole is arranged on the rear side wall of the vertical plate, the inner end of the horizontal pin hole is communicated with the rotating hole of the vertical plate, a fixed pin is inserted in the horizontal pin hole, the inner end of the fixed pin is used for being inserted in the inserting hole to limit the horizontal rotating shaft, and a bearing part used for supporting a roller of the speed sensor.

3. The mining belt speed protection test device according to claim 2, characterized in that: the supporting piece comprises an active pull rod fixedly welded on the rear side of the middle section of the horizontal rotating shaft, a passive pull rod is movably hinged at the lower end of the active pull rod, a flat beam which is arranged in parallel on the front side of the roller is fixedly welded at the bottom of the passive pull rod, a supporting rod is fixedly connected to the rear sides of the inner end and the outer end of the flat beam respectively, and the rear ends of the supporting rods are movably sleeved on the outer side walls of the short shafts at the two ends of the roller through rotating holes.

4. The mining belt speed protection test device according to claim 3, characterized in that: the connecting rod piece comprises a fixed rod and a movable rod, a plurality of through holes are respectively arranged on each fixed rod and each movable rod at intervals along the length direction of the fixed rod and each movable rod, the rear end of each fixed rod is fixed on the cross beam, the front end of each fixed rod is movably hinged with the rear end of the corresponding movable rod, the front ends of the two movable rods are respectively provided with a supporting rotating hole which is used for being matched with a short shaft fixedly connected with the two end faces of the roller, and the short shafts fixedly connected with the two end faces of the roller are movably inserted into the supporting rotating holes at the corresponding positions.

5. The mining belt speed protection test device according to claim 4, characterized in that: the roller is an anti-skid rubber roller with anti-skid stripes arranged on the surface.

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