CN215515337U - Machine head device for mining scraper elevating conveyor - Google Patents

Abstract

The utility model discloses a machine head device of a scraper blade elevating conveyor for mines, which comprises a machine head frame and a speed reducer, wherein the speed reducer is arranged on one side of the machine head frame, a rotating shaft is embedded and arranged at one end of the inner side of the machine head frame, and annular chain wheels are sleeved at two end parts of the rotating shaft respectively, a chain passes through two rotating rings on the same side and is in rotating contact with the two rotating rings on the same side, the chain is limited by a limiting ring, the chain can still normally rotate under the condition without a chain pressing device through the support and the limiting of the rotating rings, the chain is not easy to shift, the friction can be reduced through the rotating contact, the abrasion of the rotating rings is reduced, the direction is changed through the integral inclination of the machine head frame, a transition casting, a transition groove and a middle groove, the friction to the chain is decomposed and weakened, the annular chain wheels can be quickly removed and replaced when the rotating shaft is taken out, and the damage to the annular chain wheels is reduced, the occurrence of accidents is reduced.

Description

Machine head device for mining scraper elevating conveyor

Technical Field

The utility model relates to the technical field of mining equipment, in particular to a machine head device of a mining scraper elevating conveyor.

Background

The elevating conveyor is a bridge type scraper conveyor arranged in a section transportation roadway at a lower outlet of a mine working face, one end of the bridge type scraper conveyor is overlapped with the conveyor at the working face, and the other end of the bridge type scraper conveyor is connected with the tail of a belt conveyor when the bridge type scraper conveyor works;

however, in the prior mining scraper elevating conveyor, two chain wheels at the head are connected into a whole through two half shafts, an accident can occur after a bolt is loosened, and a chain pressing device is arranged on the inner side of a side plate of a headstock, so that the scraper elevating conveyor needs to be replaced frequently after being worn.

SUMMERY OF THE UTILITY MODEL

The utility model provides a machine head device for a mining scraper elevating conveyor, which can effectively solve the problems that two chain wheels at the machine head position are connected into a whole through two half shafts, an accident occurs after a bolt is loosened, a chain pressing device is arranged on the inner side of a side plate of a machine head frame, and the machine head device needs to be replaced frequently after being worn.

In order to achieve the purpose, the utility model provides the following technical scheme: a machine head device for a mining scraper elevating conveyor comprises a machine head frame and a speed reducer, wherein the speed reducer is installed on one side of the machine head frame, a rotating shaft is embedded into one end of the inner side of the machine head frame, annular chain wheels are sleeved on two end portions of the rotating shaft, a transition casting for connecting a middle groove is installed on one end portion of the machine head frame, chains are sleeved on the outer portions of the two annular chain wheels, and a long connecting rod is installed between the two chains;

the bottom of headstock corresponds chain position department and installs the dwang, the connecting plate is installed to the one end of dwang, the installation pole is all installed at the both ends of connecting plate, installation pole both ends all rotate and have cup jointed the rotating ring, the spacing ring is installed to a tip of rotating ring.

Preferably, the chain is formed by mutual clamping of a plurality of rings, the outside of annular sprocket is provided with the gear, chain meshing connects in the outside of annular sprocket.

Preferably, the bottom of the headstock is provided with a mounting round hole, and the rotating rod is rotatably mounted inside the mounting round hole;

the outer diameter of the limiting ring is 1.3 times of the outer diameter of the rotating ring.

Preferably, the middle part of the rotating ring is provided with a rotating bearing, and the rotating ring is arranged at the end part of the mounting rod through the rotating bearing;

the chain passes through the middle of the two rotating rings on the same side.

Preferably, the turning block is installed to the one end of dwang, a tip slip joint of turning block has the joint pole, the bottom of headstock corresponds joint pole position department and offers a plurality of joint holes with the joint pole joint.

Preferably, a plurality of the clamping holes are arranged at the outer side of the bottom of the headstock corresponding to the rotating rod at equal angles, and the end part of the clamping rod corresponding to the clamping holes is spliced with the anti-skid sleeve.

Compared with the prior art, the utility model has the beneficial effects that: the utility model has scientific and reasonable structure and safe and convenient use:

1. through setting up the dwang, the connecting plate, the installation pole, swivel ring and spacing ring, the chain passes between two swivel rings of homonymy, and rotate the contact with two swivel rings of homonymy, the spacing ring carries on spacingly to the chain, support and spacing through the swivel ring, make the chain still can normally rotate under the condition that does not press the chain ware, be difficult for causing the chain to shift, and rotate the contact and can reduce friction, reduce swivel ring wearing and tearing, and through the whole slope of headstock, the transition foundry goods, cross aqueduct and middle part groove and come the redirecting, decompose and weaken the friction to the chain, the change can be removed fast when taking out the axis of rotation to annular sprocket, reduce annular sprocket and damage, reduce the emergence of accident.

2. Through setting up turning block, joint pole and joint hole, when adjusting the elasticity of chain, only need rotate the turning block, drive the dwang, the connecting plate rotates to drive two change rings of homonymy, a downstream of rebound, and then to two annular sprocket, the elasticity degree of chain between adjusts, after the adjustment is accomplished, joint pole joint in the downthehole portion of joint that corresponds again, thereby it is more stable to make the chain rotate, and the use of aircraft nose device is more convenient.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view showing the construction of a rotating shaft according to the present invention;

FIG. 3 is a schematic view of the construction of the rotating ring of the present invention;

FIG. 4 is a schematic structural view of the snap rod of the present invention;

reference numbers in the figures: 1. a headstock; 2. a rotating shaft; 3. an endless sprocket; 4. transition casting; 5. a speed reducer; 6. a chain; 7. a long connecting rod; 8. rotating the rod; 9. rotating the block; 10. a clamping and connecting rod; 11. a clamping hole; 12. a connecting plate; 13. mounting a rod; 14. a rotating ring; 15. a limit ring.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.

Example (b): as shown in fig. 1-4, the utility model provides a technical scheme, a machine head device for a mining scraper blade elevating conveyor, which comprises a machine head frame 1 and a speed reducer 5, wherein the speed reducer 5 is installed on one side of the machine head frame 1, a rotating shaft 2 is embedded into one end of the inner side of the machine head frame 1, annular chain wheels 3 are respectively sleeved on two end parts of the rotating shaft 2, a transition casting 4 for connecting a middle groove is installed on one end part of the machine head frame 1, chains 6 are respectively sleeved on the outer parts of the two annular chain wheels 3, each chain 6 is formed by mutually clamping and connecting a plurality of circular rings, gears are arranged on the outer parts of the annular chain wheels 3, the chains 6 are meshed and connected with the outer parts of the annular chain wheels 3, so that the chains 6 can rotate conveniently, and a long connecting rod 7 is installed between the two chains 6;

the dwang 8 is installed to the corresponding chain 6 position department in bottom of headstock 1, the installation round hole has been seted up to headstock 1's bottom, dwang 8 rotates and installs inside the installation round hole, make things convenient for the rotation installation of dwang 8, connecting plate 12 is installed to dwang 8's one end, installation pole 13 is all installed at the both ends of connecting plate 12, installation pole 13 both ends are all rotated and have been cup jointed swivel ring 14, spacing ring 15 is installed to a tip of swivel ring 14, the external diameter of spacing ring 15 is 1.3 times of swivel ring 14 external diameter, conveniently carry on spacingly to chain 6, the mid-mounting of swivel ring 14 has rolling bearing, swivel ring 14 passes through rolling bearing and installs the tip in installation pole 13, make things convenient for the rotation installation of swivel ring 14, chain 6 passes from the centre of two swivel rings 14 of homonymy, the convenience is supported chain 6.

The turning block 9 is installed to the one end of dwang 8, and a tip slip joint of turning block 9 has joint pole 10, and the bottom of headstock 1 corresponds joint pole 10 position department and sets up a plurality of joint holes 11 with the joint of joint pole 10 joint, and angles such as a plurality of joint holes 11 are seted up in headstock 1 bottom and are corresponded 8 outside positions department of dwang, and the tip of joint pole 10 corresponds joint hole 11 position department and has spliced the antiskid cover, conveniently fixes a position turning block 9.

The working principle and the using process of the utility model are as follows: when the chain 6 moves, the chain 6 penetrates through the two rotating rings 14 on the same side and is in rotating contact with the two rotating rings 14 on the same side, the limiting ring 15 limits the chain 6, the chain 6 can still normally rotate under the condition that no chain pressing device exists through supporting and limiting of the rotating rings 14, the chain 6 is not easy to shift, friction can be reduced through rotating contact, abrasion of the rotating rings 14 is reduced, the direction is changed through integral inclination of the headstock 1, the transition casting 4, the transition groove and the middle groove, and the friction on the chain 6 is decomposed and weakened;

the annular chain wheel 3 can be quickly removed and replaced when the rotating shaft 2 is taken out, so that the damage of the annular chain wheel 3 is reduced, and the occurrence of accidents is reduced;

when the tightness of the chain 6 needs to be adjusted, only the rotating block 9 needs to be rotated to drive the rotating rod 8 and the connecting plate 12 to rotate, so that two rotating rings 14 at the same side are driven to move upwards and downwards, the tightness of the chain 6 between the two annular chain wheels 3 is adjusted, and after the adjustment is completed, the clamping rod 10 is clamped in the corresponding clamping hole 11, so that the chain 6 rotates more stably, and the use of the machine head device is more convenient;

the middle plate and the middle groove of the chain wheel set are on the same horizontal line, a chain pressing device and a transition groove are omitted, and the goods passing amount is increased;

the chain abrasion is reduced, and the motor load is reduced;

the seven star wheels of the machine head are integrally welded into a chain wheel group, and the chain wheel group is drawn out from the blind shaft side; the chain wheel set does not need to be replaced by a speed reducer, so that the maintenance is convenient and the accidents are few;

a cross beam of a machine head base is eliminated, and a balance plate of the machine head frame welding base is convenient to install and scatter; the speed reducer has an integral shell without oil leakage, the connecting sleeve is fixed with the speed reducer together, and the speed reducer is fixed on a headstock by 6 screws, so that the stability is good, and the accidents are few

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a be used for mining scraper blade elevating conveyor aircraft nose device, includes headstock (1) and speed reducer (5), its characterized in that: a speed reducer (5) is installed on one side of the headstock (1), a rotating shaft (2) is installed at one end of the inner side of the headstock (1) in an embedded mode, annular chain wheels (3) are sleeved at two end portions of the rotating shaft (2), a transition casting (4) used for connecting a middle groove is installed at one end portion of the headstock (1), chains (6) are sleeved on the outer portions of the two annular chain wheels (3), and a long connecting rod (7) is installed between the two chains (6);

the bottom of headstock (1) corresponds chain (6) position department and installs dwang (8), connecting plate (12) are installed to the one end of dwang (8), installation pole (13) are all installed at the both ends of connecting plate (12), installation pole (13) both ends are all rotated and have been cup jointed swivel becket (14), spacing ring (15) are installed to a tip of swivel becket (14).

2. The mining scraper elevating conveyor head device according to claim 1, characterized in that the chain (6) is formed by a plurality of rings which are mutually clamped, the outer part of the ring-shaped chain wheel (3) is provided with a gear, and the chain (6) is connected with the outer part of the ring-shaped chain wheel (3) in a meshing manner.

3. The mining scraper blade elevating conveyor head device according to claim 1, characterized in that a mounting circular hole is opened at the bottom of the machine head frame (1), and the rotating rod (8) is rotatably mounted inside the mounting circular hole;

the outer diameter of the limiting ring (15) is 1.3 times of the outer diameter of the rotating ring (14).

4. The mining scraper elevating conveyor head device according to claim 1, characterized in that the rotating ring (14) is mounted with a rotating bearing in the middle, and the rotating ring (14) is mounted at the end of the mounting rod (13) through the rotating bearing;

the chain (6) passes through the middle of the two rotating rings (14) at the same side.

5. The mining scraper elevating conveyor head device according to claim 1, wherein a rotation block (9) is installed at one end of the rotation rod (8), a clamping rod (10) is slidably clamped at one end of the rotation block (9), and a plurality of clamping holes (11) clamped with the clamping rod (10) are formed in the bottom of the machine head frame (1) corresponding to the position of the clamping rod (10).

6. The mining scraper elevating conveyor head device according to claim 5, characterized in that a plurality of said clamping holes (11) are opened at equal angles at the outer side of the rotating rod (8) corresponding to the bottom of the machine head frame (1), and the end of the clamping rod (10) is glued with an anti-slip cover corresponding to the clamping holes (11).

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