CN114455481A

CN114455481A - Clamping mechanism for swing arm lifter installed at top of cement silo

Info

Publication number: CN114455481A
Application number: CN202111621032.XA
Authority: CN
Inventors: 李真华; 徐晨晨; 鲍怡斌
Original assignee: Huaibei Mining Co Ltd
Current assignee: Huaibei Mining Co Ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2022-05-10

Abstract

The invention discloses a clamping mechanism for a swing arm lifter installed on the top of a cement silo, relates to the technical field of clamping mechanisms, and solves the problems that goods cannot be clamped and lifted during working, and the lifted goods cannot be guided. The following scheme is now proposed: including lifting machine body and lifting rope, the lower extreme fixedly connected with rectangle section of thick bamboo of lifting rope, the lower extreme of a rectangle section of thick bamboo is provided with fixture, the inside of a rectangle section of thick bamboo be provided with the drive mechanism that the fixture cooperation was used, drive mechanism sets up in the inside screw rod of a rectangle section of thick bamboo including rotating, the outside cover of screw rod is equipped with the elevator, the equal fixedly connected with connecting block in both ends around the elevator. The invention can not only clamp goods during operation, but also has the guiding function during lifting, thereby improving the safety of operation.

Description

Clamping mechanism for swing arm lifter installed at top of cement silo

Technical Field

The invention relates to the technical field of clamping mechanisms, in particular to a clamping mechanism for a swing arm lifter installed on the top of a cement silo.

Background

Swing arm lifting machine is the mechanical equipment that transports through changing potential energy, drag flexible member wire rope and the goods that transports through power machinery and move about finishing the transportation process, wire rope is the indispensable important part of hoisting machinery, the swing arm lifting machine can be installed at the top in cement bin, current swing arm lifting machine only catches on the goods through the couple when using and then goes up and down to transport, still there is very big danger like this in the transportation, and current swing arm lifting machine can not lead to the goods that promote when promoting, the goods is floating in the air and is leading to its in disorder rocking very easily in the weather of strong wind, it is dangerous relatively.

Therefore, the swing arm lifter has a clamping function when working, and can guide the lifted goods when lifting, which is a technical problem to be solved by technical personnel in the field at present.

Disclosure of Invention

Objects of the invention

In view of this, the invention aims to provide a clamping mechanism for a swing arm lifter installed on a cement silo top, so that goods can be clamped during operation, and the clamping mechanism is guided during lifting, thereby effectively preventing the goods from randomly shaking in the air and improving the safety of operation.

(II) technical scheme

In order to achieve the technical purpose, the invention provides a clamping mechanism for a swing arm lifter installed on the top of a cement silo, which comprises a lifter body and a lifting rope, wherein the lower end of the lifting rope is fixedly connected with a rectangular cylinder, the lower end of the rectangular cylinder is provided with the clamping mechanism, a transmission mechanism matched with the clamping mechanism is arranged in the rectangular cylinder, the transmission mechanism comprises a screw rod rotatably arranged in the rectangular cylinder, a lifting block is sleeved on the outer side of the screw rod, the front end and the rear end of the lifting block are fixedly connected with connecting blocks, the clamping mechanism comprises a fixing plate fixedly connected to the bottom end of the rectangular cylinder, the upper end of the transmission plate is connected with two clamping rods in a penetrating and sliding mode, and a transmission plate is rotatably connected between the two clamping rods and the two connecting blocks.

Preferably, the rectangular cylinder is rotatably connected with a transmission rod positioned above the screw rod, a gear is fixedly sleeved on the outer circumferential surface of the transmission rod, the lower end of the rectangular cylinder is connected with two lifting rods in a penetrating and sliding mode, and the upper end of each lifting rod on the rear side is fixedly connected with a rack in meshing transmission with the gear.

Preferably, the outer circumferential surface of the transmission rod is fixedly sleeved with a driving bevel gear, and the top end of the screw rod is fixedly sleeved with a driven bevel gear in meshing transmission with the driving bevel gear.

Preferably, two the common fixedly connected with circle piece of lower extreme of lifter, the bottom fixedly connected with couple of circle piece, two the outer periphery of lifter all fixed the cup joints there is the spacing collar, two the outside of lifter all overlaps and is equipped with the spring that is located the spacing collar lower extreme.

Preferably, one side fixedly connected with guide bar of lifting machine body, the outside slip cover of guide bar is equipped with the lantern ring, be connected with the direction rope between lantern ring and the fixed plate.

Preferably, the upper surface of the fixing plate is provided with two guide grooves for the two clamping rods to slide respectively.

Preferably, two through grooves are formed in the front surface and the rear surface of the rectangular cylinder, and the connecting blocks are connected in the through grooves in a sliding mode respectively.

Preferably, a transverse supporting plate is arranged in the rectangular cylinder, the upper end of the screw penetrates through the supporting plate, and a through hole for the rack to move up and down is formed in the rear end of the supporting plate.

According to the technical scheme, the method has the following beneficial effects:

(1): the transmission mechanism operates under the action of gravity of the lifted goods, and the operation of the transmission mechanism drives the clamping mechanism to clamp the lifted goods, so that the goods are more stable and cannot fall off during lifting and transportation;

(2): when the goods rise, the lantern ring moves upwards along the guide rod, so that the goods are guided, and potential safety hazards caused by random shaking of the goods during lifting are effectively prevented;

(3): the invention can clamp goods during operation, has the guiding function during lifting, improves the safety of operation and is worthy of popularization.

Drawings

FIG. 1 is a schematic structural view of a clamping mechanism for a cement silo top mounted swing arm lifter according to an embodiment of the invention;

FIG. 2 is a front cross-sectional view of a rectangular cylinder in a clamping mechanism for a cement silo top mounted swing arm lifter according to an embodiment of the invention;

fig. 3 is a right side sectional view of a rectangular cylinder in the clamping mechanism for a swing arm lifter installed on the top of a cement silo according to an embodiment of the invention.

Description of the drawings: 1. a hoist body; 2. a lifting rope; 3. a guide bar; 4. a clamping mechanism; 41. connecting blocks; 42. a drive plate; 43. a fixing plate; 44. a clamping rod; 5. a rectangular cylinder; 6. a collar; 7. a guide rope; 8. hooking; 9. a transmission mechanism; 91. a rack; 93. a round block; 94. a transmission rod; 95. a screw; 96. a lifting block; 97. a lifting rod; 10. and a support plate.

Detailed Description

The following description is merely exemplary in nature and is not intended to limit the present disclosure, application, or uses. It should be understood that throughout the drawings, identical or similar reference numerals indicate identical or similar parts and features. The drawings are only schematic representations of the concepts and principles of the embodiments of the disclosure, and do not necessarily show specific dimensions or proportions of the various embodiments of the disclosure. Certain features that are part of a particular figure may be exaggerated in order to illustrate relevant details or structures of embodiments of the present disclosure.

As shown in figure 1, the clamping mechanism for the swing arm lifter installed on the top of the cement silo comprises a lifter body 1 and a lifting rope 2, wherein the lower end of the lifting rope 2 is fixedly connected with a rectangular cylinder 5, the lower end of the rectangular cylinder 5 is provided with a clamping mechanism 4, a transmission mechanism 9 matched with the clamping mechanism 4 is arranged in the rectangular cylinder 5, the transmission mechanism 9 comprises a screw 95 rotatably arranged in the rectangular cylinder 5, the outer side of the screw 95 is sleeved with a lifting block 96, the front end and the rear end of the lifting block 96 are both fixedly connected with connecting blocks 41, the clamping mechanism 4 comprises a fixing plate 43 fixedly connected to the bottom end of the rectangular cylinder 5, the upper end of the transmission plate 42 is in sliding connection with two clamping rods 44, and a transmission plate 42 is rotatably connected between the two clamping rods 44 and the two connecting blocks 41, the two connecting blocks 41 move to drive the inclination of the two transmission plates 42 to change, and finally, the distance between the two clamping rods 44 is driven to change.

Referring to fig. 2 and 3, in the clamping mechanism for a swing arm lifter installed on the top of a cement silo according to the present invention, a transmission rod 94 located above a screw 95 is rotatably connected in a rectangular cylinder 5, a gear is fixedly sleeved on the outer circumferential surface of the transmission rod 94, two lifting rods 97 are slidably connected to the lower end of the rectangular cylinder 5, a rack 91 engaged with the gear is fixedly connected to the upper end of the rear lifting rod 97, a driving bevel gear is fixedly sleeved on the outer circumferential surface of the transmission rod 94, a driven bevel gear engaged with the driving bevel gear is fixedly sleeved on the top end of the screw 95, the screw 95 is driven to rotate forward or backward by the rotation of the transmission rod 94, and finally, clamping or loosening is achieved.

The lower ends of the two lifting rods 97 are fixedly connected with a round block 93 together, the bottom end of the round block 93 is fixedly connected with a hook 8, the outer circumferential surfaces of the two lifting rods 97 are fixedly sleeved with a limiting ring, springs positioned at the lower ends of the limiting ring are sleeved on the outer sides of the two lifting rods 97, the two lifting rods 97 can move upwards under the elastic force of the two springs when goods are put down, finally, the screw 95 is driven to rotate reversely, one side of the elevator body 1 is fixedly connected with a guide rod 3, a lantern ring 6 is sleeved on the outer side of the guide rod 3 in a sliding mode, and a guide rope 7 is connected between the lantern ring 6 and the fixed plate 43 and can guide the lifted goods so that the lifted goods cannot shake in a mess; the upper surface of the fixing plate 43 is provided with two guide grooves for the two clamping rods 44 to slide.

The front surface and the rear surface of the rectangular cylinder 5 are both provided with two through grooves, the two connecting blocks 41 are respectively connected in the two through grooves in a sliding manner, and the two connecting blocks 41 are respectively guided to only move up and down; a transverse supporting plate 10 is arranged in the rectangular cylinder 5, the upper end of the screw 95 penetrates through the supporting plate 10, and a through hole for the rack 91 to move up and down is formed in the rear end of the supporting plate 10, so that the rack 91 can normally move up and down.

According to the clamping mechanism for the cement silo top mounting swing arm lifter, goods can be clamped and fixed during lifting, and can also be guided. Specifically, when in use, firstly, the goods to be lifted is scraped on the hook 8, the goods is located between the two clamping rods 44, then the goods is slowly lifted, the round block 93 moves downwards for a certain distance under the action of the gravity of the goods, the round block 93 moves downwards to drive the two lifting rods 97 to move downwards, the rear lifting rod 97 moves downwards to drive the rack 91 to move downwards, the rack 91 moves downwards to drive the transmission rod 94 to rotate through meshing transmission of the gear on the outer side of the transmission rod 94, the transmission rod 94 rotates to drive the screw 95 to rotate through meshing transmission of the driving bevel gear and the driven bevel gear, the screw 95 rotates to drive the lifting block 96 to move upwards, the lifting block 96 moves upwards to drive the two connecting blocks 41 to move upwards, the two connecting blocks 41 move upwards to drive the ends of the two transmission plates 42, which are close to each other, so as to drive the two clamping rods 44 to approach each other to clamp the lifted goods, after the goods are lifted and transported and put down, the two lifting rods 97 move upwards under the elastic force of the two springs, and finally the screw 95 is driven to rotate reversely, so that the lifting block 96 moves downwards, the two clamping rods 44 move away from each other to give up clamping, and the lantern ring 6 slides up and down along the guide rod 3 when lifted, so that the goods to be transported are guided.

Exemplary embodiments of the proposed solution of the present disclosure have been described in detail above with reference to preferred embodiments, however, it will be understood by those skilled in the art that many variations and modifications may be made to the specific embodiments described above, and that many combinations of the various technical features and structures presented in the present disclosure may be made without departing from the concept of the present disclosure, without departing from the scope of the present disclosure, which is defined by the appended claims.

Claims

1. The clamping mechanism for the swing arm lifter for mounting the top of the cement silo comprises a lifter body (1) and a lifting rope (2) and is characterized in that the lower end of the lifting rope (2) is fixedly connected with a rectangular cylinder (5), the lower end of the rectangular cylinder (5) is provided with a clamping mechanism (4), a transmission mechanism (9) matched with the clamping mechanism (4) for use is arranged in the rectangular cylinder (5), the transmission mechanism (9) comprises a screw rod (95) rotatably arranged in the rectangular cylinder (5), a lifting block (96) is sleeved on the outer side of the screw rod (95), connecting blocks (41) are fixedly connected to the front end and the rear end of the lifting block (96), the clamping mechanism (4) comprises a fixing plate (43) fixedly connected to the bottom end of the rectangular cylinder (5), and two clamping rods (44) are slidably connected to the upper end of the transmission plate (42), a transmission plate (42) is rotatably connected between the two clamped rods (44) and the two connecting blocks (41).

2. The clamping mechanism for the swing arm lifter mounted on the top of the cement silo according to claim 1, wherein a transmission rod (94) positioned above a screw rod (95) is rotatably connected in the rectangular cylinder (5), a gear is fixedly sleeved on the outer circumferential surface of the transmission rod (94), the lower end of the rectangular cylinder (5) is connected with two lifting rods (97) in a penetrating and sliding manner, and the upper end of the lifting rod (97) on the rear side is fixedly connected with a rack (91) in meshing transmission with the gear.

3. The clamping mechanism for the swing arm lifter mounted on the top of the cement silo as claimed in claim 2, wherein a driving bevel gear is fixedly sleeved on the outer circumferential surface of the transmission rod (94), and a driven bevel gear in meshing transmission with the driving bevel gear is fixedly sleeved on the top end of the screw rod (95).

4. The clamping mechanism for the swing arm lifter mounted on the top of the cement silo according to claim 3, wherein the lower ends of the two lifting rods (97) are fixedly connected with a round block (93) together, the bottom end of the round block (93) is fixedly connected with a hook (8), the outer circumferential surfaces of the two lifting rods (97) are fixedly sleeved with a limiting ring, and the outer sides of the two lifting rods (97) are sleeved with springs located at the lower ends of the limiting ring.

5. The clamping mechanism for the swing arm hoister mounted on the top of the cement silo according to claim 1, wherein a guide rod (3) is fixedly connected to one side of the hoister body (1), a lantern ring (6) is slidably sleeved on the outer side of the guide rod (3), and a guide rope (7) is connected between the lantern ring (6) and the fixing plate (43).

6. The clamping mechanism for the swing arm lifter mounted on the top of the cement silo according to claim 1, wherein the upper surface of the fixing plate (43) is provided with two guide grooves for the two clamping rods (44) to slide respectively.

7. The clamping mechanism for the swing arm lifter mounted on the top of the cement silo according to claim 1, wherein the front surface and the rear surface of the rectangular cylinder (5) are respectively provided with two through grooves, and the two connecting blocks (41) are respectively connected in the two through grooves in a sliding manner.

8. The clamping mechanism for the swing arm lifter mounted on the top of the cement silo according to claim 2, wherein a transverse supporting plate (10) is arranged in the rectangular cylinder (5), the upper end of the screw rod (95) penetrates through the supporting plate (10), and a through hole for the rack (91) to move up and down is formed in the rear end of the supporting plate (10).