CN218036343U

CN218036343U - Dynamic bonding strength clamp for conveying belt for coal mine

Info

Publication number: CN218036343U
Application number: CN202221882285.2U
Authority: CN
Inventors: 王洪海
Original assignee: Shandong Huayan Intelligent Equipment Group Co ltd
Current assignee: Shandong Huayan Intelligent Equipment Group Co ltd
Priority date: 2022-07-20
Filing date: 2022-07-20
Publication date: 2022-12-13
Anticipated expiration: 2032-07-20

Abstract

The utility model belongs to the technical field of tensile test machine, a conveyer belt developments bonding strength anchor clamps for coal mine is proposed, including the holder of taking the centre gripping mouth, the connecting rod, embrace claw plate and grip block, the lateral wall of centre gripping mouth is provided with heavy groove, it sets up in heavy groove to embrace the claw plate, it includes arc portion and claw tooth to embrace the claw plate, the top of grip block is provided with a pair of guide, guide and the guide rail groove clearance fit of setting on the holder, the both sides of grip block all are provided with the multichannel centre gripping arch, be provided with a pair of regulation pole that runs through the holder on the grip block, be provided with nut and movable bar on the regulation pole, movable bar and regulation pole radial connection, one side that the holder adjusted the pole dorsad is provided with the foraminiferous hole that distributes from top to bottom two, be provided with the screw that runs through foraminiferous perpendicularly on the holder, be provided with the piece that compresses tightly rather than threaded connection in the screw. The device has the advantages of reasonable design, simple structure and good clamping stability, is favorable for improving the test efficiency and is suitable for large-scale popularization.

Description

Dynamic bonding strength clamp for conveying belt for coal mine

Technical Field

The utility model belongs to the technical field of tensile test machine, a conveyer belt developments bonding strength anchor clamps for coal mine are related to.

Background

The coal mine uses the steel cord conveyor belt as the working belt of the conveyor, and the steel cord conveyor belt is a conveyor belt made of steel cord liner covered rubber and used as a traction and carrying member of a belt conveyor. The steel cord conveyor belt is composed of core rubber, steel cords, covering layers and edge rubber, and is characterized by high tensile strength, good impact resistance, long service life, small service elongation, good grooving performance, good bending resistance and the like, and is suitable for conveying materials at long distance, long distance and high speed. The steel wire rope core conveying belt needs to be subjected to a tensile test before leaving a factory, the dynamic bonding strength of the conveying belt can be detected through the tensile test, and the tensile test machine is main test equipment.

The existing tensile testing machine mainly adopts a vertical longitudinal tensile mode, a product is clamped by an upper clamp and a lower clamp, and the clamps are driven up and down by a cross beam with power input until the product reaches the limit of bonding strength and is broken. However, the clamp of the tensile testing machine has the problem of poor clamping stability, so that the tested product is separated from the clamp under the condition of high tensile strength of the product, so that the test cannot obtain a more accurate numerical value, and the test efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem that foretell tensile test machine exists, provide a reasonable in design, simple structure, the better conveyer belt dynamic bonding strength anchor clamps for coal mine that just are favorable to improving test efficiency of centre gripping stability.

In order to achieve the purpose, the utility model discloses a technical scheme do, the utility model provides a conveyer belt developments bonding strength anchor clamps for coal mine, including the holder, the holder is provided with the centre gripping mouth, the one end that deviates from the centre gripping mouth on the holder is provided with the connecting rod, the lateral wall of centre gripping mouth is provided with heavy groove, be provided with in the heavy groove and embrace the claw board, it includes arc portion to embrace the claw board, the head end and the heavy groove fixed connection of arc portion, the tail end of arc portion just is provided with the claw tooth for the free end, be provided with the grip block in the centre gripping mouth, the top of grip block is provided with a pair of guide, guide and the guide rail groove clearance fit of setting on the holder, the both sides of grip block all are provided with the multichannel centre gripping arch, be provided with a pair of regulation pole on the grip block, adjust the pole and run through one side of holder, be provided with nut and the movable bar that distribute in the centre gripping mouth inboard and the outside on the regulation pole, movable bar and regulation pole radial connection, one side of adjusting pole is provided with two perforation holes that distribute from top to bottom, be provided with the holder on the hole, be provided with the screw clamp with the perpendicular through and run through the hole that runs through the holder, be provided with its threaded connection in the screw pressing tightly.

Preferably, the mouth end of the clamping opening is provided with a rib extending towards the middle direction of the clamping opening.

Preferably, the guide piece comprises a guide shaft, the guide shaft is provided with a shaft shoulder, a guide wheel is arranged at the shaft shoulder, one side of the guide wheel, which is back to the shaft shoulder, is provided with a locking disc in threaded connection with the guide shaft, and the guide wheel and the locking disc are both matched with the guide rail groove.

Preferably, the locking disc is provided with a pair of polygonal columns, and the polygonal columns are used for being matched with a polygonal wrench.

Preferably, the two perforation holes are both in a strip-shaped structure, and the calibers of the two perforation holes are different.

Preferably, the clamping plate is provided with a pair of guide rods, and the guide rods penetrate through the clamping device.

Preferably, the end of the adjusting rod is provided with a rotary joint, and the rotary joint is arranged on the clamping plate.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

1. the utility model provides a conveyer belt developments bonding strength anchor clamps for coal mine, utilize the guide can improve the grip block and the stability of being connected of holder and the smoothness nature of grip block in the removal, adjust the position of grip block in the centre gripping mouth by adjusting the pole, and by taking the high-efficient centre gripping of the bellied grip block of centre gripping to be tested the conveyer belt, and the one end of being tested the conveyer belt penetrates and compresses tightly by compressing tightly the piece again after the perforation hole, the order is tested the conveyer belt and this device obtains higher stability of being connected, and be favorable to improving test efficiency, and this device reasonable in design, moreover, the steam generator is simple in structure, and is suitable for large-scale popularization.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is an isometric view of a dynamic bond strength clamp for a conveyor belt for a coal mine according to an embodiment;

FIG. 2 is a front view of a dynamic bonding strength clamp for a conveyor belt for a coal mine according to an embodiment;

FIG. 3 is a side view of a dynamic bond strength clamp for a conveyor belt for a coal mine according to an embodiment;

in the above figures, 1, a clamper; 1a, a clamping opening; 1b, sinking a groove; 1c, a guide rail groove; 1d, perforating a hole; 1e, ribs; 2. a connecting rod; 3. a claw holding plate; 31. an arc-shaped portion; 32. claw teeth; 4. a clamping plate; 41. a clamping protrusion; 5. a guide member; 51. a guide shaft; 52. a guide wheel; 53. a locking disc; 54. a polygonal column; 6. adjusting a rod; 7. a nut; 8. a movable bar; 9. a pressing member; 10. a guide rod; 11. a rotary joint.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the directions of the drawings, and do not limit the structure.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment, as shown in fig. 1, fig. 2 and fig. 3, the utility model provides a conveyer belt dynamic bonding strength anchor clamps for coal mine, including holder 1, holder 1 is provided with centre gripping mouth 1a, the one end that deviates from centre gripping mouth 1a on holder 1 is provided with connecting rod 2. Wherein, connecting rod 2 can be connected with tensile testing machine's crossbeam. Furthermore, the side wall of the clamping opening 1a is provided with a sinking groove 1b, a claw holding plate 3 is arranged in the sinking groove 1b, the claw holding plate 3 comprises an arc-shaped portion 31, the head end of the arc-shaped portion 31 is fixedly connected with the sinking groove 1b, the tail end of the arc-shaped portion 31 is a free end and is provided with claw teeth 32, a clamping plate 4 is arranged in the clamping opening 1a, the top of the clamping plate 4 is provided with a pair of guiding members 5, the guiding members 5 are movably matched with guiding rail grooves 1c arranged on the clamping device 1, two sides of the clamping plate 4 are provided with a plurality of clamping protrusions 41, the clamping plate 4 is provided with a pair of adjusting rods 6, the adjusting rods 6 penetrate through one side of the clamping device 1 and are in threaded connection with the side wall of the clamping device 1, nuts and moving rods which are distributed on the inner side and the outer side of the clamping opening 1a are arranged on the adjusting rod 6 in a movable rod radial mode, one side of the clamping device 1 back to the adjusting rod 6 is provided with two penetrating holes 1d which are distributed up and down, a screw hole 1 which penetrates through the penetrating through the hole 1d vertically, and a pressing member 9 which is connected with the screw thread is arranged in the screw hole.

Specifically, the arcing part of the holding claw plate 3 faces the clamping opening 1a, the position of the clamping plate 4 in the clamping opening 1a is adjusted by the adjusting rod 6, the clamping plate 4 with the clamping protrusion 41 clamps the tested conveyer belt, meanwhile, the arc part 31 of the holding claw plate 3 is extruded to enable the claw teeth 32 to clamp the tested conveyer belt, and one end of the tested conveyer belt penetrates through the hole penetrating 1d and then is pressed by the pressing piece 9, so that the whole tested conveyer belt can obtain higher connection reliability with the device, the situation that the end part of the tested conveyer belt is unclamped can be effectively avoided, and higher test efficiency can be obtained. Further, the guide 5 is used as a connecting piece between the clamping plate 4 and the clamping device 1, so that on one hand, the clamping plate 4 is prevented from being separated from the clamping opening 1a, and on the other hand, the smoothness of the clamping plate 4 when being moved and adjusted can be ensured, and the practicability of the device is improved. The movable lever adopts the design of a movable lever, can be inserted on the adjusting rod 6 back and forth according to the change of the rotating direction, plays the role of a handle, and can directly adjust the positions of the adjusting rod 6 and the clamping plate 4.

In order to improve this device to the centre gripping stability by the test conveyer belt, the utility model discloses be provided with towards bead 1d that its middle direction of orientation extends at the mouth end of centre gripping mouth 1a, carry out the joint to being tested the conveyer belt by bead 1d and embracing claw plate 3 together.

In order to improve the practicality of guide 5, the utility model provides a guide 5 includes guiding axle 51, and guiding axle 51 is provided with the shaft shoulder, and shaft shoulder department is provided with leading wheel 52, and one side of leading wheel 52 shoulder dorsad is provided with the locking dish 53 with guiding axle 51 threaded connection, and leading wheel 52 and locking dish 53 all cooperate with guide rail groove 1c, and guide rail groove 1c is stair structure and its different rank parts and cooperates with leading wheel 52 and locking dish 53 respectively. The shoulder and the lock plate 53 limit the guide wheel 52 from both sides thereof, the wheel body of the guide wheel 52 can prevent the guide 5 from being separated from the guide rail groove 1c, and the wheel surface of the guide wheel 52 can roll along the groove side of the guide rail groove 1 c. Therefore, the guide member 5 can prevent the holding plate 4 from coming out of the holding port 1a, and can ensure the fluency of the holding plate 4 when being moved and adjusted.

In order to adjust the locking disc 53 conveniently, the utility model discloses be provided with a pair of polygon prism 54 on locking disc 53, polygon prism 54 is used for cooperating with polygon spanner, utilizes the polygon spanner of trough of belt design to insert just can rotate the regulation to whole locking disc 53 on the polygon prism to reach the mesh of adjusting locking disc 53.

In order to improve the utilization ratio of this device, the utility model provides a two it is different that lacing hole 1d is long bar-type texture and the two bore, designs the lacing hole 1d selectively of different bores and cooperates with the tested conveyer belt of different specifications to the order compresses tightly 9 and can effectively compress tightly tested conveyer belt.

In order to improve the smoothness nature of adjusting grip block 4 position, the utility model discloses be provided with a pair of guide bar 10 on adjusting grip block 4, guide bar 10 through connection holder 1 avoids adjusting pole 6 and holder 1 to produce great friction by guide bar 10, can prolong the actual life who adjusts the screw thread on the pole 6, improves the smoothness nature of adjusting grip block 4 position moreover.

Further, the utility model provides a tip of adjusting pole 6 is provided with rotary joint 11, rotary joint 11 sets up on grip block 4. Although the rotary joint 11 can rotate to a certain degree when the adjusting rod 6 is rotated, the connection reliability of the rotary joint and the clamping plate 4 is not changed, so that the position of the clamping plate 4 can be changed when the adjusting rod 6 is directly rotated, the adjusting efficiency is higher, and the clamping stability of the clamping plate 4 and the clamp 1 to the tested conveyer belt can be fully ensured.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a conveyer belt developments bonding strength anchor clamps for coal mine, includes the holder, the holder is provided with the centre gripping mouth, the one end that deviates from the centre gripping mouth on the holder is provided with the connecting rod, a serial communication port, the lateral wall of centre gripping mouth is provided with heavy groove, be provided with in the heavy groove and embrace the claw board, it includes arc portion to embrace the claw board, the head end and the heavy groove fixed connection of arc portion, the tail end of arc portion just is provided with the claw tooth for the free end, be provided with the grip block in the centre gripping mouth, the top of grip block is provided with a pair of guide, guide and the guide rail groove clearance fit who sets up on the holder, the both sides of grip block all are provided with the multichannel centre gripping arch, be provided with a pair of regulation pole on the grip block, adjust the one side that the pole runs through the holder, be provided with the nut and the movable bar that distribute in the centre gripping mouth inboard and the outside on the centre gripping, movable bar and regulation pole radial connection, one side that the holder adjusted the pole dorsad is provided with two foraminiferous holes that run through perpendicularly, be provided with its threaded connection in the screw hole and compress tightly the piece.

2. The dynamic bond strength jig for a coal mine conveyor belt according to claim 1, wherein the mouth end of the holding mouth is provided with a rib extending toward a middle thereof.

3. The dynamic bonding strength clamp for the conveying belt for the coal mine as claimed in claim 2, wherein the guiding element comprises a guiding shaft, the guiding shaft is provided with a shaft shoulder, a guiding wheel is arranged at the shaft shoulder, a locking disc in threaded connection with the guiding shaft is arranged on one side of the guiding wheel, which is opposite to the shaft shoulder, and the guiding wheel and the locking disc are both matched with the guiding rail groove.

4. The dynamic bonding strength clamp for the coal mine conveyor belt according to claim 3, wherein a pair of polygonal columns are arranged on the locking disc and used for being matched with a polygonal wrench.

5. The dynamic bonding strength clamp for the coal mine conveyor belt according to claim 1, wherein the two perforation holes are both in a strip-shaped structure and have different calibers.

6. The dynamic bonding strength clamp for the coal mine conveyor belt according to claim 1, wherein a pair of guide rods are arranged on the clamping plate, and the guide rods are connected with the clamp in a penetrating manner.

7. The dynamic bonding strength clamp for the coal mine conveyor belt according to claim 1, wherein a rotary joint is arranged at the end of the adjusting rod, and the rotary joint is arranged on the clamping plate.