CN216971588U - Novel hand-clamping-preventing safety pulley device - Google Patents

Novel hand-clamping-preventing safety pulley device Download PDF

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Publication number
CN216971588U
CN216971588U CN202220785022.3U CN202220785022U CN216971588U CN 216971588 U CN216971588 U CN 216971588U CN 202220785022 U CN202220785022 U CN 202220785022U CN 216971588 U CN216971588 U CN 216971588U
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CN
China
Prior art keywords
pulley
pinch
pulley device
novel anti
fixing frame
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Application number
CN202220785022.3U
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Chinese (zh)
Inventor
韩娟娟
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Xi'an Jiahe Ruicheng Industrial Co ltd
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Xi'an Jiahe Ruicheng Industrial Co ltd
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Priority to CN202220785022.3U priority Critical patent/CN216971588U/en
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Abstract

The utility model discloses a novel anti-pinch safety pulley device which comprises a pulley and a fixing frame, wherein the pulley is connected with the fixing frame through a central shaft, two ends of the central shaft are rotatably connected with two anti-pinch mechanisms, two inner walls at one end of the fixing frame are respectively provided with a pulley guard ring stop block, and the pulley guard ring stop blocks are positioned between the side wall of the fixing frame and the pulley. The pulley device solves the problem that the existing pulley is easy to have hand clamping and cable groove jumping.

Description

Novel hand-clamping-preventing safety pulley device
Technical Field
The utility model belongs to the technical field of ground pulleys and relates to a novel anti-pinch safety pulley device.
Background
The oil gas development process involves perforation and well logging, the weight of the cable is born through the crown block and the ground block and the cable is guided, so that the underground tool is connected with a ground system, the cable is unevenly stressed due to uncertainty in the operation process, the phenomena of groove jumping and the like easily occur, the workers are required to perform operations such as fixing by hands, the existing pulleys have no protective measures, the accidents such as hand clamping and the like easily occur, and mud is easily attached to the surface of the cable, so that the construction efficiency is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a novel anti-pinch safety pulley device, which solves the problem that the existing pulley is easy to have pinching and cable jumping.
The technical scheme includes that the novel anti-pinch safety pulley device comprises a pulley and a fixing frame, wherein the pulley is connected with the fixing frame through a central shaft, two ends of the central shaft are rotatably connected with two anti-pinch mechanisms, two inner walls of one end of the fixing frame are respectively provided with a pulley guard ring stop block, and the pulley guard ring stop blocks are located between the side wall of the fixing frame and the pulley.
The present invention is also characterized in that,
every prevents pressing from both sides hand mechanism and includes that two fall the card, and two one ends that fall the card rotate with the center pin respectively and are connected, and two fall to be connected with the movable block between the card, and movable block center department establishes only the through-hole, and through-hole female connection has prevents pressing from both sides the hand wooden plug, and one side of movable block is seted up slottedly, groove and through-hole intercommunication.
The hand clamping prevention wooden plug comprises two identical semi-cylindrical columns, a clamping block is arranged at one end of each column, the inner diameters of the two clamping blocks are identical to those of the two columns, and the outer diameters of the two clamping blocks are larger than those of the columns.
A connecting shaft is connected between one ends of the two falling clamps far away from the pulley.
The pulley guard ring dog includes the cuboid section of being connected with the mount lateral wall, and the one end that the center pin was kept away from to the cuboid section is connected with a right-angle side of right angled triangle section, and another right-angle side of right angled triangle section is connected with the lateral wall of mount, and the length on the right-angle side of right angled triangle section is greater than the length of side rather than the cuboid section of being connected.
The one end inner wall that pulley protective shroud dog was kept away from to the mount is connected with the mud scraper, and the mud scraper corresponds with the position of pulley.
The lateral surface of pulley is provided with prevents pressing from both sides the hand backplate, prevents being provided with a plurality of ventilation holes on the hand backplate.
The outer wall of one end of the fixing frame, which is far away from the pulley guard ring stop block, is connected with a hanging ring.
Both ends of the central shaft are connected with supports.
The beneficial effect of the utility model is that,
(1) the novel anti-pinch safety pulley device is provided with the anti-pinch mechanism, can play a role in guiding a cable, and can be used for fixing a pulley by a worker by holding the anti-pinch mechanism when being influenced by uncertain factors, so that the anti-pinch function is achieved;
(2) the novel anti-pinch safety pulley device is provided with the pulley guard ring stop block, so that a cable can be prevented from jumping out of a groove;
(3) the novel anti-pinch safety pulley device is provided with the mud scraping plate, and mud on a cable can be scraped to ensure normal operation of the cable.
Drawings
FIG. 1 is a schematic structural view of a novel anti-pinch safety pulley device according to the present invention;
FIG. 2 is a cross-sectional view of a novel anti-pinch safety pulley apparatus of the present invention;
FIG. 3 is a side view of a pinch-proof cork in the novel pinch-proof safety pulley device of the present invention;
FIG. 4 is a top view of a hand pinching prevention wooden plug in the novel hand pinching prevention safety pulley device of the present invention;
FIG. 5 is a schematic view of a pulley retainer block of the novel anti-pinch safety pulley device according to the present invention;
fig. 6 is a schematic structural view of a movable block in the novel anti-pinch safety pulley device.
In the figure, 1, a pulley, 2, a fixed frame, 3, a falling clamp, 4, a hand clamping prevention wooden plug, 5, a central shaft, 6, a support, 7, a hand clamping prevention guard plate, 8, a hanging ring, 9, a connecting shaft, 10, a groove, 11, a movable block, 12, a mud scraper, 13, a pulley guard ring stop block, 14, a vent hole and 15 are through holes;
4-1, a cylinder, 4-2, a fixture block;
13-1 parts of a cuboid section and 13-2 parts of a right-angled triangle section.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
The utility model provides a novel anti-pinch safety pulley device, which is structurally shown in figure 1 and comprises a pulley 1 and a fixed frame 2, wherein the pulley 1 is connected with the fixed frame 2 through a central shaft 5, an anti-pinch protective plate 7 is arranged on the outer side surface of the pulley 1, a plurality of ventilation holes 14 are formed in the anti-pinch protective plate 7, the stability of the pulley can be improved, and shaking caused by the influence of wind power can be avoided, two anti-pinch mechanisms are rotatably connected with two ends of the central shaft 5, pulley guard ring stop blocks 13 are arranged on two inner walls of one end of the fixed frame 2, the pulley guard ring stop blocks 13 are positioned between the side wall of the fixed frame 2 and the pulley 1, a mud scraper 12 is connected with the inner wall of one end of the fixed frame 2, which is far away from the pulley guard ring stop blocks 13, the mud scraper 12 corresponds to the positions of the pulley 1, a hanging ring 8 is connected with the outer wall of one end of the fixed frame 2, two ends of the central shaft 5 are both connected with supporting seats 6, support 6 is located prevents that tong mechanism outside, and support 6 is used for the support to pulley 1.
As shown in fig. 2, every anti-pinch mechanism includes that two fall the card 3, two fall the one end of card 3 and rotate with center pin 5 respectively and be connected, two fall and be connected with connecting axle 9 between the one end that card 3 kept away from pulley 1, connecting axle 9 can be used for holding, two fall to rotate between the card 3 and be connected with movable block 11, movable block 11 can rotate in a flexible way, in order to adapt to various angles, avoid the cable to take place phenomenons such as the card pause, as shown in fig. 6, 11 center departments of movable block are equipped with only through-hole 15, 15 female connections of through-hole have anti-pinch wooden plug 4, slotted 10 is seted up to one side of movable block 11, groove 10 and 15 intercommunication, the opening width in groove 10 is greater than the cable diameter, in order to guarantee that the cable can penetrate movable block 11 through groove 10.
As shown in fig. 3 and 4, the hand-clamping prevention wooden plug 4 comprises two identical semi-cylindrical columns 4-1, one end of each column 4-1 is provided with a clamping block 4-2, the inner diameters of the two clamping blocks 4-2 are identical to the inner diameters of the two columns 4-1, the outer diameters of the two clamping blocks 4-2 are larger than the outer diameters of the two columns 4-1, and the hand-clamping prevention wooden plug 4 is used for guiding a cable, resisting abrasion and not causing abrasion to the cable.
As shown in fig. 5, the pulley retainer block 13 includes a rectangular parallelepiped section 13-1 connected to the side wall of the fixing frame 2, one end of the rectangular parallelepiped section 13-1 far from the central shaft 5 is connected to one square of the right-angled triangle section 13-2, the other square of the right-angled triangle section 13-2 is connected to the side wall of the fixing frame 2, the length of the square of the right-angled triangle section 13-2 is greater than the length of the side of the rectangular parallelepiped section 13-1 connected thereto, and when a cable jumps out of the pulley 1, the cable is blocked by the hypotenuse of the right-angled triangle section 13-2, thereby preventing the occurrence of groove jumping.
The working principle of the novel anti-pinch safety pulley device is as follows: during operation such as well logging, perforation and the like, the hand-clamping-preventing wooden plug 4 is clamped on a cable, the belt cable penetrates through the movable block 11 through the groove 10, then the hand-clamping-preventing wooden plug 4 penetrates into the through hole 15 and is screwed tightly for fixing, the position of the hand-clamping-preventing mechanism is adjusted, the cable is placed on the pulley 1 for retracting, the movable block 11 can rotate, the angle of the cable on the pulley 1 can be flexibly adapted, clamping does not occur, and if the pulley device is unstable due to external force, a worker can stabilize the pulley device by holding the connecting shaft 9 or the falling clamp 3 and the like, so that the hand is placed into the pulley and injured; and the cable is apt to have the phenomenon of jumping the trough in receiving, putting, can prevent the cable from jumping the trough through the guard ring dog 13 of the pulley, block the cable of the trough jump, the cable is apt to have the mud while working at the same time, scrape the mud on the cable through the mud scraper 12, in order to guarantee the normal use of the cable; the hanging ring 8 of the pulley device can be used for fixing the pulley device through tools such as ropes, and the end of the fixing frame far away from the hanging ring 8 is connected with a wellhead device through a buckle for operation.

Claims (9)

1. Novel prevent tong safety pulley device, including pulley (1), mount (2), pulley (1) is connected through center pin (5) with mount (2), its characterized in that, the both ends of center pin (5) are rotated and are connected with two and prevent tong mechanism, all be provided with pulley protective shroud dog (13) on two inner walls of the one end of mount (2), pulley protective shroud dog (13) are located between lateral wall and pulley (1) of mount (2).
2. The novel anti-pinch safety pulley device according to claim 1, characterized in that each anti-pinch mechanism comprises two falling clamps (3), two falling clamps (3) with one ends respectively rotatably connected with a central shaft (5), two falling clamps (3) with a movable block (11) connected therebetween, a through hole (15) is formed in the center of the movable block (11), an anti-pinch wooden plug (4) is connected to the through hole (15) through internal threads, a groove (10) is formed in one side of the movable block (11), and the groove (10) is communicated with the through hole.
3. The novel anti-pinch safety pulley device according to claim 2, characterized in that the anti-pinch wooden plug (4) comprises two identical semi-cylindrical columns (4-1), one end of each column (4-1) is provided with a clamping block (4-2), the inner diameters of the two clamping blocks (4-2) are identical to the inner diameters of the two columns (4-1), and the outer diameters of the two clamping blocks (4-2) are larger than the outer diameters of the two columns (4-1).
4. The novel anti-pinch safety pulley device according to claim 2, characterized in that a connecting shaft (9) is connected between one ends of the two falling clamps (3) far away from the pulley (1).
5. The novel anti-pinch safety pulley device according to claim 1, wherein the pulley retainer block (13) comprises a cuboid section (13-1) connected with the side wall of the fixing frame (2), one end of the cuboid section (13-1) far away from the central shaft (5) is connected with one right-angled side of a right-angled triangle section (13-2), the other right-angled side of the right-angled triangle section (13-2) is connected with the side wall of the fixing frame (2), and the length of the right-angled side of the right-angled triangle section (13-2) is greater than the length of the side of the cuboid section (13-1) connected with the right-angled triangle section.
6. The novel anti-pinch safety pulley device according to claim 1, wherein a mud scraper (12) is connected to an inner wall of one end, away from the pulley guard ring stop block (13), of the fixing frame (2), and the mud scraper (12) corresponds to the pulley (1).
7. The novel anti-pinch safety pulley device according to claim 1, characterized in that an anti-pinch protective plate (7) is arranged on the outer side surface of the pulley (1), and a plurality of ventilation holes (14) are formed in the anti-pinch protective plate (7).
8. The novel anti-pinch safety pulley device as claimed in claim 1, wherein a hanging ring (8) is connected to the outer wall of one end of the fixing frame (2) far away from the pulley guard ring stop block (13).
9. The novel anti-pinch safety pulley device according to claim 1, characterized in that two ends of the central shaft (5) are connected with supports (6).
CN202220785022.3U 2022-03-31 2022-03-31 Novel hand-clamping-preventing safety pulley device Active CN216971588U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220785022.3U CN216971588U (en) 2022-03-31 2022-03-31 Novel hand-clamping-preventing safety pulley device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220785022.3U CN216971588U (en) 2022-03-31 2022-03-31 Novel hand-clamping-preventing safety pulley device

Publications (1)

Publication Number Publication Date
CN216971588U true CN216971588U (en) 2022-07-15

Family

ID=82341418

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202220785022.3U Active CN216971588U (en) 2022-03-31 2022-03-31 Novel hand-clamping-preventing safety pulley device

Country Status (1)

Country Link
CN (1) CN216971588U (en)

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