阅读说明：本技术 中部槽连接装置 (Middle groove connecting device ) 是由 王鹏 梅伏萍 唐树峰 张平 朱永年 邢海龙 高武孝 田振国 沈丰 侯斌 于 2021-08-09 设计创作，主要内容包括：一种中部槽连接装置,属于矿用输送设备技术领域,中部槽上设置有卡接哑铃销的卡接部,包括主体哑铃销及紧固件,主体哑铃销卡接在中部槽的卡接部处,紧固件安装在主体哑铃销一端端部,且同时卡接在中部槽的卡接部处,用于紧固主体哑铃销,防止主体哑铃销在中部槽的卡接部处转动；紧固件包括卡块及弹簧销,卡块卡接在中部槽的卡接部,且与主体哑铃销连接,弹簧销设置在卡块上,且同时与主体哑铃销连接,防止卡块从主体哑铃销上脱落；卡块上设置有第一凸起、第二凸起及第三凸起,第一凸起、第二凸起及第三凸起共同围合用于将弹簧销环绕在中央,防止物料与弹簧销相互碰撞挤压。解决了中部槽与中部槽之间连接失效的问题。(A middle groove connecting device belongs to the technical field of mining conveying equipment, and is characterized in that a clamping part for clamping a dumbbell pin is arranged on a middle groove and comprises a main dumbbell pin and a fastener, the main dumbbell pin is clamped at the clamping part of the middle groove, the fastener is installed at one end of the main dumbbell pin and is clamped at the clamping part of the middle groove at the same time to fasten the main dumbbell pin and prevent the main dumbbell pin from rotating at the clamping part of the middle groove; the fastener comprises a fixture block and a spring pin, the fixture block is clamped in the clamping part of the middle groove and is connected with the main dumbbell pin, and the spring pin is arranged on the fixture block and is connected with the main dumbbell pin at the same time, so that the fixture block is prevented from falling off the main dumbbell pin; the clamping block is provided with a first bulge, a second bulge and a third bulge, and the first bulge, the second bulge and the third bulge are used for surrounding the spring pin at the center to prevent materials from colliding and extruding with the spring pin. The problem of be connected between middle part groove and the middle part groove and become invalid is solved.)

1. A middle groove connecting device is characterized by comprising a main body dumbbell pin and a fastener, wherein the main body dumbbell pin is clamped at the clamping part of a middle groove;

the fastener comprises a fixture block and a spring pin, the fixture block is clamped in a clamping part of the middle groove and is connected with the main dumbbell pin, and the spring pin is arranged on the fixture block and is simultaneously connected with the main dumbbell pin, so that the fixture block is prevented from falling off from the main dumbbell pin;

the fixture block is provided with a first bulge, a second bulge and a third bulge, and the first bulge, the second bulge and the third bulge are used for surrounding the spring pin at the center to prevent materials from colliding and extruding with the spring pin.

2. The mid-slot connection device of claim 1, wherein the body dumbbell pin comprises a first dumbbell pin and a second dumbbell pin, the first dumbbell pin is snapped onto the second dumbbell pin, and the first dumbbell pin and the second dumbbell pin are capable of swinging left and right with respect to each other; the connecting piece is installed at one end part of the second dumbbell pin.

3. The middle groove connecting device as claimed in claim 2, wherein the first dumbbell pin comprises a first cylinder and a protrusion, the protrusion is arranged at one end of the first cylinder, a clamping groove is arranged at one end of the second dumbbell pin, and the protrusion is clamped in the clamping groove.

4. The mid-slot connection apparatus of claim 3, wherein the first dumbbell pin and the second dumbbell pin are capable of rocking side-to-side with each other by an amount ranging from 0 ° to 10 °.

5. The middle groove connecting device as claimed in claim 4, wherein the raised head comprises a clamping column and a clamping ball, the clamping column is connected with one end of the first column body, and the clamping ball is arranged at the end of the clamping column.

6. The mid-slot connection device recited in claim 5, wherein the second dumbbell pin comprises a first semi-split dumbbell pin and a second semi-split dumbbell pin, the first semi-split dumbbell pin and the second semi-split dumbbell pin being detachable from one another.

7. The middle groove connecting device as claimed in claim 6, wherein the clamping groove comprises a cylinder groove and a sphere groove, the cylinder groove is used for clamping the clamping column, the cylinder groove and the clamping column are in clearance fit, the length of the clamping column is greater than that of the cylinder groove, the sphere groove is used for clamping the clamping ball, and the diameter of the sphere groove is greater than that of the clamping ball.

8. The middle slot connecting device according to claim 7, wherein the second dumbbell pin is provided with a pin key slot, the pin key slot is uniformly distributed on the first and second semi-cut dumbbell pins, and when the first and second semi-cut dumbbell pins are combined, the pin key can be clamped in the pin key slot.

9. The mid-slot connecting device as claimed in claim 8, wherein the connector includes a latch and a spring pin, the latch is mounted on an end of the second dumbbell pin for latching and joining the first and second semi-split dumbbell pins together, and the spring pin is provided on an end of the second dumbbell pin for fixing the latch to the second dumbbell pin.

Technical Field

The invention belongs to the technical field of mining conveying equipment, and particularly relates to a middle groove connecting device.

Background

The scraper conveyor is one of the key equipment of mechanized coal face in the pit of colliery, the middle part groove is the main spare part that the scraper conveyor is used for the material to bear, it connects to extensively use the dumbbell round pin between middle part groove and the middle part groove, and dumbbell pin junction compares with bolted connection, there is great clearance between screw rod and the through-hole among the bolted connection, the easy dislocation when middle part groove is connected with the middle part groove, the dumbbell round pin is one of round pin axle, belong to standardized fastener, both can static fixed connection, also do relative motion with the fastener, the reliable operation, it is convenient to dismantle.

However, traditional dumbbell round pin is at the working face coal mining in-process, when the material scatters outside the middle part groove, pile up in middle part groove both sides, can bury the fastener of the dumbbell round pin of connecting two sections middle part grooves and dumbbell round pin, when the elevating conveyor stretches out towards the mine and moves, can drive the middle part groove and remove, when the middle part groove removes, middle part groove and dumbbell round pin can collide the extrusion each other with the material, lead to dumbbell round pin and fastener can loosen and even drop from the connecting portion department in middle part groove, lead to both ends middle part groove disconnect, need the staff to pull two sections middle part grooves and align, reuse the dumbbell round pin and connect two sections middle part grooves.

Disclosure of Invention

In view of this, to above not enough, the application provides a middle part groove connecting device, has prevented that middle part groove connecting device from droing from the middle part groove, has solved the problem of being connected the inefficacy between middle part groove and the middle part groove.

A middle groove connecting device is characterized in that a clamping part for clamping a dumbbell pin is arranged on a middle groove and comprises a main dumbbell pin and a fastener, the main dumbbell pin is clamped at the clamping part of the middle groove, the fastener is installed at one end of the main dumbbell pin and is clamped at the clamping part of the middle groove at the same time to fasten the main dumbbell pin and prevent the main dumbbell pin from rotating at the clamping part of the middle groove;

the fastener comprises a fixture block and a spring pin, the fixture block is clamped in a clamping part of the middle groove and is connected with the main dumbbell pin, and the spring pin is arranged on the fixture block and is simultaneously connected with the main dumbbell pin, so that the fixture block is prevented from falling off from the main dumbbell pin;

the fixture block is provided with a first bulge, a second bulge and a third bulge, and the first bulge, the second bulge and the third bulge are used for surrounding the spring pin at the center to prevent materials from colliding and extruding with the spring pin.

Preferably, the main body dumbbell pin comprises a first dumbbell pin and a second dumbbell pin, the first dumbbell pin is clamped on the second dumbbell pin, and the first dumbbell pin and the second dumbbell pin can swing left and right; the fastener is installed at one end part of the second dumbbell pin.

Preferably, the first dumbbell pin comprises a first column and a raised head, the raised head is arranged at one end of the first column, a clamping groove is formed in one end of the second dumbbell pin, and the raised head is clamped in the clamping groove.

Preferably, the first dumbbell pin and the second dumbbell pin can swing left and right with each other in a range of 0 ° to 10 °.

Preferably, the raised head comprises a clamping column and a clamping ball, the clamping column is connected with one end of the first column body, and the clamping ball is arranged at the end of the clamping column.

Preferably, the second dumbbell pin comprises a first semi-section dumbbell pin and a second semi-section dumbbell pin, and the first semi-section dumbbell pin and the second semi-section dumbbell pin can be detached and separated.

Preferably, the draw-in groove includes cylinder groove and spheroid groove, the cylinder groove is used for the joint post, the cylinder groove with be clearance fit between the joint post, just the length of joint post is greater than the length in cylinder groove, the spheroid groove is used for the joint ball, the diameter in spheroid groove is greater than the diameter of joint ball.

Preferably, the second dumbbell pin is provided with a pin key groove, the pin key grooves are uniformly distributed on the first semi-split dumbbell pin and the second semi-split dumbbell pin, and when the first semi-split dumbbell pin and the second semi-split dumbbell pin are combined, the pin key can be clamped in the pin key groove.

Preferably, the fastener comprises a clamping block and a spring pin, the clamping block is mounted at one end of the second dumbbell pin and used for clamping and combining the first semi-split dumbbell pin and the second semi-split dumbbell pin, and the spring pin is arranged at one end of the second dumbbell pin and used for fixing the clamping block on the second dumbbell pin.

According to the technical scheme, the middle groove connecting device is provided with the clamping portion for clamping the dumbbell pin, and comprises the main dumbbell pin and the fastener, the main dumbbell pin is clamped at the clamping portion of the middle groove, the fastener is installed at one end of the main dumbbell pin and clamped at the clamping portion of the middle groove, and the fastener is used for fastening the main dumbbell pin and preventing the main dumbbell pin from rotating at the clamping portion of the middle groove; the fastener comprises a fixture block and a spring pin, the fixture block is clamped in a clamping part of the middle groove and is connected with the main dumbbell pin, and the spring pin is arranged on the fixture block and is simultaneously connected with the main dumbbell pin, so that the fixture block is prevented from falling off from the main dumbbell pin; the fixture block is provided with a first bulge, a second bulge and a third bulge, and the first bulge, the second bulge and the third bulge are used for surrounding the spring pin at the center to prevent materials from colliding and extruding with the spring pin. When the material scatters in middle part groove both sides, avoided at the middle part groove removal in-process, material and dumbbell round pin and fastener extrusion collision each other lead to dumbbell round pin and fastener can take off from the joint portion pine in middle part groove and even drop, have solved the problem of being connected the inefficacy between middle part groove and the middle part groove.

Drawings

FIG. 1 is a schematic view of a middle slot and dumbbell pin.

Figure 2 is an isometric view of a mid-tank connection.

Fig. 3 is a top view of the latch.

Fig. 4 is a rear view of the cartridge.

Fig. 5 is a side view of the latch.

Fig. 6 is a perspective view of a spring pin.

FIG. 7 is a side view of the pin of the main dumbbell body.

FIG. 8 is a front view of the body dumbbell pin.

FIG. 9 is a top view of the body dumbbell pin.

FIG. 10 is a cross-sectional view of a body dumbbell pin.

FIG. 11 is a cross-sectional view of the first dumbbell pin.

FIG. 12 is a cross-sectional view of a second dumbbell pin.

FIG. 13 is an isolated view of the second dumbbell pin.

In the figure, a main body dumbbell pin 100, a first dumbbell pin 110, a first cylinder 111, a nose 112, a clamping column 1121, a clamping ball 1122, a second dumbbell pin 120, a clamping groove 121, a cylinder groove 1211, a ball groove 1212, a first half-section dumbbell pin 122, a second half-section dumbbell pin 123, a pin key groove 124, a positioning boss 125, a fastener 200, a fixture block 210, a first protrusion 211, a second protrusion 212, a third protrusion 213, a boss groove 214, a spring pin 220, a pin ring 221, and a clamping portion 300.

Detailed Description

The technical solution and the technical effects of the present application will be further elaborated below with reference to the drawings of the present application.

Referring to fig. 1 to 3, according to the above technical solution, the application provides a middle slot connecting device, a middle slot is provided with a clamping portion 300 for clamping a dumbbell pin, and the middle slot comprises a main dumbbell pin 100 and a fastener 200, the main dumbbell pin 100 is clamped at the clamping portion 300 of the middle slot, the fastener 200 is installed at one end of the main dumbbell pin 100 and is clamped at the clamping portion 300 of the middle slot at the same time for fastening the main dumbbell pin 100 and preventing the main dumbbell pin 100 from rotating at the clamping portion 300 of the middle slot; the fastener 200 comprises a fixture block 210 and a spring pin 220, the fixture block 210 is clamped in a clamping part 300 of the middle groove and connected with the main body dumbbell pin 100, and the spring pin 220 is arranged on the fixture block 210 and connected with the main body dumbbell pin 100 at the same time, so that the fixture block 210 is prevented from falling off from the main body dumbbell pin 100; the fixture block 210 is provided with a first protrusion 211, a second protrusion 212 and a third protrusion 213, and the first protrusion 211, the second protrusion 212 and the third protrusion 213 surround the spring pin 220 at the center to prevent the material from colliding and extruding with the spring pin 220. When the material scatters in middle part groove both sides, avoided at the middle part groove removal in-process, the material extrudees the collision each other with main part dumbbell round pin 100 and fastener 200, leads to main part dumbbell round pin 100 and fastener 200 to take off or even drop from the joint portion 300 department pine in middle part groove, has solved the problem of being connected failure between middle part groove and the middle part groove.

Specifically, the spring pin 220 is provided with a pin ring 221, and when the pin ring 221 is mounted on the spring pin 220, the pin ring 221 is located at the center of the first protrusion 211, the second protrusion 212 and the third protrusion 213, and can be clamped with the pin ring 221, the pin ring 221 is connected with the spring pin 220, and can prevent the spring pin 220 from falling off the second dumbbell pin, meanwhile, the first protrusion 211, the second protrusion 212 and the third protrusion 213 have the function of protecting the spring pin 220, when there is material on both sides of the middle slot, the movement of the middle slot will cause the material to hit the spring pin 220, when the first protrusion 211, the second protrusion 212 and the third protrusion 213 are arranged, the middle groove moves, so that the material collides with the first protrusion 211, the second protrusion 212 and the third protrusion 213, the material is prevented from colliding with the spring pin 220, and the spring pin 220 is prevented from falling off from the second dumbbell pin.

The main body dumbbell pin 100 comprises a first dumbbell pin 110 and a second dumbbell pin 120, the first dumbbell pin 110 is clamped on the second dumbbell pin 120, and the first dumbbell pin 110 and the second dumbbell pin 120 can swing left and right; the fastener 200 is installed at one end of the second dumbbell pin 120. When the hydraulic support pushes the middle groove to slide, the middle groove is bent, when the dumbbell pin is extruded, the first dumbbell pin 110 and the second dumbbell pin 120 are also bent, when the first dumbbell pin 110 and the second dumbbell pin 120 are also bent, the fastener 200 can prevent the first dumbbell pin 110 and the second dumbbell pin 120 from rotating in the middle groove, the middle groove connecting device prevents the dumbbell pin from being unbalanced, the dumbbell pin and the middle groove clamping portion 300 are prevented from being extruded mutually, the dumbbell pin is caused to fall off from the clamping portion 300 of the middle groove, and even the clamping portion 300 is caused to have an opening.

Preferably, referring to fig. 4, the first dumbbell pin 110 includes a first column 111 and a protrusion 112, the protrusion 112 is disposed at an end of the first column 111, a slot 121 is disposed at an end of the second dumbbell pin 120, and the protrusion 112 is clamped in the slot 121. When the clamping groove 121 is clamped with the raised head 112 at one end of the first column 111, the first dumbbell pin 110 and the second dumbbell pin 120 can swing left and right, because when two sections of middle grooves are connected, the two sections of middle grooves are bent, the bending radian is between 0 and 10 degrees, the left and right swing amplitude of the first dumbbell pin 110 and the second dumbbell pin 120 is between 0 and 10 degrees, if the bending radian of the two sections of middle grooves is greater than the left and right swing amplitude of the first dumbbell pin 110 and the second dumbbell pin 120, when the two sections of middle grooves are still in a bent state, the first dumbbell pin 110 and the second dumbbell pin 120 stop swinging left and right, if the two sections of middle grooves are bent for a long time, the raised head 112 and the groove can rub against each other, and if the grooves rub for a long time, the raised head 112 and the groove can wear, meanwhile, the first dumbbell pin 110 and the second dumbbell pin 120 are mutually extruded with the middle groove clamping part 300, so that the dumbbell pin falls off from the middle groove clamping part 300; if the left-right swing amplitude of the first dumbbell pin 110 and the second dumbbell pin 120 is greater than the bending radian of the two middle grooves, the connection state of the dumbbell pins is loose, and the two middle grooves cannot be well connected.

Preferably, referring to fig. 4 and 5, the raised head 112 includes a clamping column 1121 and a clamping ball 1122, the clamping column 1121 is connected to one end of the first column 111, and the clamping ball 1122 is disposed at one end of the clamping column 1121. The clamping column 1121 is connected to the clamping ball 1122, and clamped by the clamping groove 121, so that the raised head 112 is not easy to fall off from the clamping groove 121.

Preferably, the second dumbbell pin 120 includes a first half dumbbell pin 122 and a second half dumbbell pin 123, as shown in fig. 7, the first half dumbbell pin 122 and the second half dumbbell pin 123 can be detached from each other; when the first half-cut dumbbell pin 122 is separated from the second half-cut dumbbell pin 123, the projection 112 can be taken out of the groove of the second dumbbell pin 120, and when the first half-cut dumbbell pin 122 is combined with the second half-cut dumbbell pin 123, the groove of the second dumbbell pin 120 can be clamped with the projection 112.

Preferably, the fastening groove 121 includes a cylinder groove 1211 and a sphere groove 1212, as shown in fig. 6, the cylinder groove 1211 is used for fastening the fastening pillar 1121, a clearance fit is formed between the cylinder groove 1211 and the fastening pillar 1121, so that a certain movement space is reserved between the cylinder groove 1211 and the fastening pillar 1121, the fastening pillar 1121 can swing left and right in the cylinder groove 1211, the length of the fastening pillar 1121 is greater than the length of the cylinder groove 1211, when the length of the fastening pillar 1121 is equal to the length of the cylinder groove 1211, the first dumbbell pin 110 and the second dumbbell pin 120 cannot swing left and right, and meanwhile, a certain clearance is reserved between the first dumbbell pin 110 and the second dumbbell pin 120, when the first dumbbell pin 110 and the second dumbbell pin 120 rotate to bend, the ends of the first dumbbell pin 110 and the second dumbbell pin 120 are prevented from being pressed against each other, the abrasion loss of the dumbbell pin is reduced; the sphere groove 1212 is used for clamping the clamping ball 1122, and the diameter of the sphere groove 1212 is larger than that of the clamping ball 1122, so that the clamping ball 1122 swings left and right in the sphere groove 1212.

Preferably, the second dumbbell pin 120 is provided with pin key slots 124, the pin key slots 124 are uniformly distributed on the first and second semi-cut dumbbell pins 122 and 123, when the first and second semi-cut dumbbell pins 122 and 123 are combined, the pin keys can be engaged with the pin key slots 124, specifically, when the first and second semi-cut dumbbell pins 122 and 123 are combined, any one of the "U" -shaped pin key slots 124, the "Contraband" -shaped pin key slots 124 and the "O" -shaped pin key slots 124 is provided on the surface of the second dumbbell pin 120, and when the first and second semi-cut dumbbell pins 122 and 123 are combined, the pin keys are engaged with the pin key slots 124 to engage with the first and second semi-cut dumbbell pins 122 and 123, thereby preventing the nose 112 from falling off from the engaging slots 121 of the second dumbbell pin 120.

Preferably, referring to fig. 9 to 12, the fastener includes a latch 210 and a spring pin 220, the latch 210 is mounted at one end of the second dumbbell pin for engaging and combining the first and second semi-split dumbbell pins, and the spring pin 220 is disposed at one end of the second dumbbell pin for fixing the latch 210 to the second dumbbell pin. Specifically, the end of the second dumbbell pin is the end far away from the slot of the second dumbbell pin, the end part is provided with a positioning boss 125, the fixture block 210 is provided with a boss groove 214, the positioning boss 125 is clamped in the boss groove 214, used for clamping and combining the first semi-split dumbbell pin and the second semi-split dumbbell pin together, a through hole is also arranged at one end part of the second dumbbell pin, the spring pin 220 is disposed on the second dumbbell pin through the through hole, the shape of the latch 210 is matched with the catching portion 300 of the middle groove, when the latch 210 is latched to the latching portion 300 of the middle groove, the latch 210 cannot rotate in the latching portion 300 of the middle groove, when the latch 210 cannot rotate in the catching portion 300 of the middle groove, the dumbbell pin connected to the latch 210 cannot rotate in the catching portion 300 of the middle groove.

In the using process, the first half-section dumbbell pin 122 and the second half-section dumbbell pin 123 are combined, the raised head 112 of the first dumbbell pin 110 is clamped in the clamping groove 121 of the second dumbbell pin 120, the pin key is clamped in the pin key groove 124 to form an integral dumbbell pin, the dumbbell pin is arranged at the clamping part 300 of the two sections of middle grooves, the clamping part 300 can block the pin key groove 124 of the second dumbbell pin 120 to prevent the pin key in the pin key groove 124 from falling off, the clamping block 210 is clamped at one end part of the dumbbell pin, the first half-section dumbbell pin 122 and the second half-section pin 123 are fastened, the dumbbell pin is fixed at the clamping part 300 of the middle groove to prevent the dumbbell pin from rotating at the clamping part 300 of the middle groove, the spring pin 220 is clamped at the end part of the second dumbbell pin to prevent the clamping block 210 from falling off from the second dumbbell pin, the dumbbell pin is connected with the two middle grooves.

While the invention has been described with reference to specific embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.