CN212374839U - Chain type dragging machine driven by oil cylinder - Google Patents
Chain type dragging machine driven by oil cylinder Download PDFInfo
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- CN212374839U CN212374839U CN202021561832.8U CN202021561832U CN212374839U CN 212374839 U CN212374839 U CN 212374839U CN 202021561832 U CN202021561832 U CN 202021561832U CN 212374839 U CN212374839 U CN 212374839U
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- chain
- wedge
- piston rod
- cylinder
- lock
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Abstract
The utility model belongs to the technical field of dragging machines, in particular to a chain type dragging machine driven by a horizontal oil cylinder, which comprises a chain and a telescopic mechanism; the center of a piston rod of the telescopic mechanism is a hollow cavity, the end part of the piston rod is connected with a tensioning lock head, a chain passes through the hollow cavity of the piston rod and the tensioning lock head, and the tensioning lock head locks or releases the chain, so that the chain moves along with the movement of the piston rod. The utility model discloses a chain formula drags machine is small, drawing power is strong, can realize remote dragging, simple structure, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of pull the machine, concretely relates to oil cylinder drive's of horizontal direction chain formula pulls machine.
Background
The dragging mechanism in the existing mechanical equipment mostly adopts electric power as a power source of the whole dragging mechanism to drag the equipment to perform linear movement in the horizontal direction, and the dragging mechanism has a large structure and is inconvenient to assemble and not suitable for special working places such as ships or underground. In addition to electric power, a hydraulic cylinder is also used as a power source of the dragging mechanism, the hydraulic cylinder can move back and forth, and the back and forth movement of the hydraulic cylinder can drag a heavy object or perform other functions related to the back and forth movement of the oil cylinder, but the existing oil cylinder on the market is limited in length, so that the long-distance dragging movement cannot be realized, and the dragging mechanism is limited in use.
Disclosure of Invention
According to the defect that above-mentioned prior art exists, the utility model aims at providing a simple structure, the horizontal direction's of being convenient for operation chain formula drags the machine, can realize remote the motion of pulling.
In order to achieve the above object, the utility model adopts the following technical scheme: a chain type dragging machine driven by an oil cylinder comprises a chain and a telescopic mechanism; the center of a piston rod of the telescopic mechanism is a hollow cavity, the end part of the piston rod is in threaded connection with a tensioning lock, a chain passes through the hollow cavity of the piston rod and the tensioning lock, and the tensioning lock locks or releases the chain, so that the chain moves along with the movement of the piston rod.
Furthermore, the tensioning lock head comprises a lock sleeve and a wedge-shaped lock cylinder arranged on the inner wall of the lock sleeve, the lock sleeve is connected with the end of the piston rod, the inner diameter of the lock sleeve is connected with the outer diameter of the wedge-shaped lock cylinder in a sliding mode along a wedge-shaped surface, the inner diameter of the wedge-shaped lock cylinder is communicated with the hollow cavity of the piston rod, and the chain penetrates through the hollow cavity of the piston rod and the inner diameter of the wedge-shaped lock.
Preferably, the lock sleeve is threadedly connected to the end of the piston rod.
Furthermore, the one end that the piston rod was kept away from to the tight tapered end that rises sets up the baffle, the lock sleeve internal diameter is provided with C type groove, sets up the jump ring in the C type groove, and the baffle passes through the jump ring to be connected at the lock sleeve internal diameter, and the jump ring is spacing and fixed for the baffle, sets up the spring between the terminal surface of baffle and wedge lock core, and the chain passes the baffle and extends to outside the baffle.
Based on above-mentioned technical scheme, under the initial condition, the spring is the micro-compression state, provides the pretightning force for lock sleeve and wedge lock core. The baffle is provided with a cross empty slot which is matched with the chain, so that the chain can conveniently pass through the baffle.
Furthermore, the wedge-shaped lock cylinder is formed by four parts in a surrounding mode, the included angle of each part of wedge-shaped lock cylinder is 90 degrees, and a gap is formed between each part of wedge-shaped lock cylinder; the outer diameter of the wedge-shaped lock cylinder comprises a wedge-shaped part and an annular part, the size of the wedge-shaped part is gradually increased from one end close to the piston rod to one end far away from the piston rod, and the large outer diameter end of the wedge-shaped part is transited into the annular part; the inner diameter of the wedge-shaped lock core is matched with the chain.
Preferably, a sealing ring is arranged between the annular part of the wedge-shaped lock cylinder and the lock sleeve.
Furthermore, a sliding groove is formed in the lock sleeve, the connecting bolt is arranged in the sliding groove and is in sliding connection with the sliding groove, the connecting bolt penetrates through the sliding groove to be connected to the wedge-shaped lock cylinder, the limiting thread is arranged on the outer wall of the lock sleeve, the limiting ring is connected with the outer wall of the lock sleeve through the limiting thread, when the limiting ring rotates to the limit position close to the sliding groove, the limiting ring is in contact with the connecting bolt, the lock sleeve and the wedge-shaped lock cylinder synchronously move, and the tensioning lock head loosens the chain.
Furthermore, the chain is a round-link chain, and the inner diameter of the wedge-shaped lock cylinder is a cross-shaped cavity matched with the round-link chain.
Furthermore, the telescopic mechanism is a hydraulic oil cylinder, the piston rod is connected with the inner wall of a cylinder barrel of the hydraulic oil cylinder in a sliding mode, a center penetrating pipe used for penetrating through the chain is arranged inside the cylinder barrel, and the outer wall of the center penetrating pipe is connected with the inner wall of the hollow cavity of the piston rod in a sliding mode.
Furthermore, the dragging machine is provided with a clamping chain plate, the clamping chain plate is arranged below the piston rod, a clamping chain opening is formed in the end portion of the clamping chain plate, the position of the clamping chain opening is matched with the extending limit position of the piston rod, and the chain is clamped in the clamping chain opening to prevent the chain from moving along with the contraction of the piston rod.
Furthermore, the telescopic mechanism is fixed on the base, and the base is connected with the shell of the telescopic mechanism through a fixed hinge shaft.
A method of using a chain type towing machine, the towing machine comprising a chain and a telescopic mechanism; the center of a piston rod of the telescopic mechanism is provided with a hollow cavity, the end part of the piston rod is connected with a lock sleeve, a wedge-shaped lock cylinder is connected in the lock sleeve in a sliding manner, and a chain penetrates through the hollow cavity of the piston rod and the inner diameter of the wedge-shaped lock cylinder;
starting the telescopic mechanism, extending the piston rod to drive the lock sleeve to move, enabling the lock sleeve and the wedge-shaped lock cylinder to oppositely slide along the wedge-shaped surface, and contracting the wedge-shaped lock cylinder towards the center and clamping the chain to enable the chain to move along with the extension of the piston rod;
after the telescopic mechanism extends out to the extreme position, the piston rod contracts and drives the lock sleeve to move, the lock sleeve and the wedge-shaped lock cylinder slide oppositely along the wedge-shaped surface, the wedge-shaped lock cylinder loosens and loosens the chain along the center to the periphery, the piston rod drives the lock sleeve and the wedge-shaped lock cylinder to contract, and the chain keeps still.
The utility model has the advantages that: the utility model discloses a chain formula drags machine is small, drawing power is strong, can realize remote dragging, simple structure, convenient to use.
Drawings
FIG. 1 is a schematic view of a towing engine configuration;
FIG. 2 is a perspective view of a hydraulic cylinder;
FIG. 3 is a cross-sectional view of a hydraulic cylinder;
FIG. 4 is a perspective view of the tension lock;
FIG. 5 is a cross-sectional view of the tension lock;
in the figure: 1. the device comprises a round-link chain, a cylinder barrel rear plug, a cylinder liquid inlet, a cylinder barrel rear plug, a hydraulic cylinder barrel, a central penetrating pipe, a fixed hinge shaft, a cylinder end cover, a piston rod, a lock sleeve, a wedge-shaped lock core, a spring, a baffle plate, a clamp spring, a clamp chain opening, a clamp chain plate, a base, a connecting bolt, a sliding groove, a limiting ring, a limiting screw, a cross-shaped flower cavity, a piston rod hollow cavity and a limiting screw, wherein the piston rod rear plug is 3, the cylinder liquid inlet is 4, the hydraulic cylinder barrel is 5, the central.
Detailed Description
In order to make the structure and function of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solution in the embodiments of the present invention.
Referring to fig. 1-5, an oil cylinder driven chain type towing machine comprises a circular ring chain 1 and a hydraulic oil cylinder; a piston rod 8 is assembled in the hydraulic oil cylinder, a hollow cavity 22 is formed in the center of the piston rod, the piston rod 8 is in sliding connection with the inner wall of a cylinder barrel 4 of the hydraulic oil cylinder, a central penetrating pipe 5 used for penetrating a round-link chain is arranged inside the cylinder barrel 4, the outer wall of the central penetrating pipe 5 is in sliding connection with the inner wall of the hollow cavity 22 of the piston rod, a tensioning lock head is connected to the end portion of the piston rod 8, the round-link chain 1 penetrates through the hollow cavity 22 of the piston rod and the tensioning lock head, and the tensioning lock head locks or loosens the round-link chain 1 to enable the round-. The movement of the circular ring chain is completed by the movement of the piston rod 8, and the purpose of dragging is further achieved.
Further, the locking head that rises includes lock tube 9 and the wedge lock core 10 of setting at the lock tube inner wall, lock tube 9 and 8 tip threaded connection of piston rod, 9 internal diameters of lock tube and wedge lock core 10 external diameters are along wedge face sliding connection, and wedge lock core 10 internal diameters communicate with the hollow cavity 22 of piston rod, and round-link chain 1 passes the hollow cavity 22 and the wedge lock core 10 internal diameters of piston rod.
Further, the one end that the piston rod was kept away from to the tight tapered end that rises sets up baffle 12, 9 internal diameters of lock tube are provided with C type grooves, set up jump ring 13 in the C type groove, and baffle 12 restriction is inboard at jump ring 13, and jump ring 13 is spacing and fixed for baffle 12, sets up spring 11 between the terminal surface of baffle 12 and wedge lock core 10, and round-link chain 1 passes baffle 12 and extends outside the baffle.
Based on the technical scheme, in the initial state, the spring 11 is in a micro-compression state and provides pretightening force for the lock sleeve 9 and the wedge-shaped lock cylinder 10. The baffle 12 is provided with a cross empty slot which is matched with the round-link chain 1, so that the round-link chain 1 can conveniently pass through the baffle 12.
Further, the wedge-shaped lock cylinder 10 is formed by four parts in a surrounding mode, the included angle of each part of wedge-shaped lock cylinder is 90 degrees, and a gap is formed between each part of wedge-shaped lock cylinders; the outer diameter of the wedge-shaped lock cylinder 10 comprises a wedge-shaped part and an annular part, the size of the wedge-shaped part is gradually increased from one end close to the piston rod to one end far away from the piston rod, the large outer diameter end of the wedge-shaped part is transited to the annular part, and the inner diameter shape of the lock sleeve 9 is matched with the outer diameter shape of the wedge-shaped lock cylinder; the inner diameter of the wedge-shaped lock core 10 is matched with the circular ring chain 1.
Based on the technical scheme, the wedge-shaped lock cylinder is formed by four parts in a surrounding mode, each part is connected to the lock sleeve through the connecting bolt 17, the four parts of the wedge-shaped lock cylinder move synchronously, a gap is reserved between the wedge-shaped lock cylinders of the parts, the wedge-shaped lock cylinder 10 can be guaranteed to have a space which is contracted towards the center, and the round-link chain 1 can be locked conveniently. Taking the direction of the drawing in fig. 1 as an example, the wedge-shaped lock cylinder 10 acts as follows: starting a hydraulic oil cylinder, extending a piston rod 8 to the right, driving a lock sleeve 9 to move rightwards, wherein in an initial state, the position of a wedge-shaped lock cylinder 10 is unchanged, the lock sleeve 9 and the wedge-shaped lock cylinder 10 slide oppositely, four parts of wedge-shaped lock cylinders respectively contract towards the center, gaps among the four parts of wedge-shaped lock cylinders are gradually reduced until a circular chain 1 is locked by the inner diameter of the wedge-shaped lock cylinder 10, and at the moment, the lock sleeve 9, the wedge-shaped lock cylinder 10 and the circular chain 1 start to synchronously move along with the piston rod 8, so that the circular chain 1 is; after the piston rod 8 stretches out to the extreme position, the piston rod 8 begins to shrink to the left side, drive the lock sleeve 9 and move left, during the initial state, because the existence of baffle 12 and spring 11, wedge lock core 10 position is unchangeable, relative slip takes place for the back of the body with wedge lock core 10 in lock sleeve 9, four bibliographic lock cores of branch are respectively to relaxing all around, the clearance between four bibliographic lock cores of branch is crescent, loosen round-link chain 1, lock sleeve 9 and wedge lock core 10 begin along with piston rod 8 synchronous motion this moment, the shrink of left side, round-link chain 1 keeps motionless, repeat above action in proper order, realize the long-distance transport of round-link chain 1.
Further, a sliding groove 18 is formed in the lock sleeve 9, the connecting bolt 17 is arranged in the sliding groove 18 and is in sliding connection with the sliding groove 18, the connecting bolt 17 penetrates through the sliding groove 18 to be connected to the wedge-shaped lock cylinder 10, a limiting thread 20 is arranged on the outer wall of the lock sleeve 9, the limiting ring 19 is connected with the outer wall of the lock sleeve 9 through the limiting thread 20, when the limiting ring 19 rotates to a limit position close to the sliding groove 18, the limiting ring 19 is in contact with the connecting bolt 17, the lock sleeve 9 and the wedge-shaped lock cylinder 10 synchronously move, and the tensioning lock head loosens the round-link chain 1.
Based on the above technical solution, as shown in fig. 4, the movement of the piston rod 8 provides power for the movement of the wedge-shaped lock cylinder 10, so that the lock sleeve 9 slides along the wedge-shaped surface, the connecting bolt 17 and the sliding groove 18 provide guidance for the sliding process, the limiting ring 19 is screwed to the left side of the limiting thread 20 in the normal working state, the connecting bolt 17 can slide in the sliding groove 18 along with the wedge-shaped lock cylinder 10, that is, the wedge-shaped lock cylinder 10 can slide relative to the lock sleeve 9, the locking or the releasing of the wedge-shaped lock cylinder 10 is completed, and the round-link chain 1 is dragged; when round-link chain 1 needs to be manually twitched, stop collar 19 is screwed to the right side of stop thread 20, stop collar 19 limits connecting bolt 17 on the right side of sliding groove 18, connecting bolt 17 can not slide, make lock sleeve 9 and wedge lock core 10 form integrated synchronous motion, and because lock sleeve 9 internal diameter right side is annular portion, wedge lock core 10 can not produce the shrink when connecting in lock sleeve 9 right side annular portion, thereby make wedge lock core 10 inefficacy, round-link chain 1 is unrestricted in the removal of wedge lock core 10.
Preferably, a sealing ring is arranged between the annular part of the wedge-shaped lock cylinder and the lock sleeve 9.
Further, the inner diameter of the wedge-shaped lock core 10 is a cross-shaped cavity 21 matched with the round-link chain 1. Because round-link chain 1 is the chain that a plurality of rings link to each other perpendicularly and form, cross flower chamber 21 can guarantee to mutually support with round-link chain 1, furthest's locking round-link chain 1 from each direction.
Furthermore, the dragging machine is provided with a clamping chain plate 15, the clamping chain plate 15 is welded on the cylinder barrel 4 of the hydraulic oil cylinder and is located below the piston rod 8, a clamping chain opening 14 is formed in the end portion of the clamping chain plate 15, the position of the clamping chain opening 14 is matched with the extending limit position of the piston rod 8, the round-link chain 1 is clamped in the clamping chain opening 14, and the round-link chain 1 is prevented from moving along with the contraction of the piston rod 8.
Furthermore, the hydraulic oil cylinder is fixed on a machine base 16, and the machine base 16 is connected with a cylinder barrel 4 of the hydraulic oil cylinder through a fixed hinge shaft 6.
The using method of the chain type dragging machine comprises a circular ring chain 1 and a hydraulic oil cylinder; the center of a piston rod 8 of the hydraulic oil cylinder is provided with a hollow cavity 22, the end part of the piston rod 8 is connected with a lock sleeve 9, a wedge-shaped lock cylinder 10 is connected in the lock sleeve 9 in a sliding way, and the round-link chain 1 penetrates through the hollow cavity 22 of the piston rod and the inner diameter of the wedge-shaped lock cylinder 10;
starting the hydraulic oil cylinder, extending the piston rod 8 to drive the lock sleeve 9 to move, enabling the lock sleeve 9 and the wedge-shaped lock cylinder 10 to relatively slide in an opposite direction along the wedge-shaped surface, and enabling the wedge-shaped lock cylinder 10 to contract towards the center and clamp the round-link chain 1, so that the round-link chain 1 moves along with the extension of the piston rod 8;
the piston rod 8 stretches out and contracts after reaching the extreme position, and the piston rod 8 contracts and drives the lock sleeve 9 to move, and the lock sleeve 9 and the wedge lock core 10 produce the relative slip that carries on the back mutually along the wedge face, and the wedge lock core 10 is loose and loosen round-link chain 1 to loosing all around along the center, and the piston rod 8 drives the shrink of lock sleeve 9 and wedge lock core 10, and round-link chain 1 keeps motionless.
The utility model discloses a round-link chain 1 has very high tensile strength, and the hydro-cylinder is the power man. The cylinder and the circular chain 1 are combined together to manufacture the strong-power-person towing machine with the minimum volume and weight. The tensioning lock head is connected with the piston rod through threads, and the round-link chain penetrates through the tensioning lock head and the center of the oil cylinder. And a chain clamping plate 15 below the piston rod 8 is welded on the cylinder barrel 4. The oil cylinder extends out to drive the tensioning lock head, and the wedge-shaped lock core 10 locks the round-link chain 1. The ring chain 1 is dragged to the right; the oil cylinder contraction circular ring chain 1 is clamped by the chain notch 14, and the wedge-shaped lock core 10 and the lock sleeve 9 form a gap and no longer have locking force to move rightwards along with the piston rod 8. The oil cylinder stretches out again and is dragged again. The lock sleeve 9 is provided with a limiting ring 19 for manually controlling the wedge-shaped lock cylinder 10, and the round-link chain 1 can be freely drawn by operating the limiting ring 19 to screw left and right.
The utility model discloses the hydraulic cylinder that uses can be replaced by cylinder, electric telescopic handle or other telescopic machanism that can realize corresponding function, is the utility model discloses a protection scope.
The above list is only the preferred embodiment of the present invention. Obviously, the present invention is not limited to the above embodiments, and many modifications are possible. All modifications which can be derived or suggested by a person skilled in the art from the disclosure of the invention should be considered as within the scope of the invention.
Claims (10)
1. The utility model provides a chain formula dragger of hydro-cylinder drive which characterized in that: comprises a chain and a telescopic mechanism; the center of a piston rod of the telescopic mechanism is a hollow cavity, the end part of the piston rod is connected with a tensioning lock head, a chain passes through the hollow cavity of the piston rod and the tensioning lock head, and the tensioning lock head locks or releases the chain, so that the chain moves along with the movement of the piston rod.
2. The cylinder driven chain hauler of claim 1, wherein: the tensioning lock head comprises a lock sleeve and a wedge-shaped lock cylinder arranged on the inner wall of the lock sleeve, the lock sleeve is connected with the end part of the piston rod, the inner diameter of the lock sleeve is connected with the outer diameter of the wedge-shaped lock cylinder in a sliding mode along a wedge-shaped surface, the inner diameter of the wedge-shaped lock cylinder is communicated with the hollow cavity of the piston rod, and the chain penetrates through the hollow cavity of the piston rod and the inner diameter of the wedge.
3. The cylinder driven chain hauler of claim 2, wherein: the end, far away from the piston rod, of the tensioning lock head is provided with a baffle, the baffle is connected to the inner diameter of the lock sleeve through a clamp spring, a spring is arranged between the baffle and the end face of the wedge-shaped lock cylinder, and the chain penetrates through the baffle and extends out of the baffle.
4. The cylinder driven chain hauler of claim 2, wherein: the wedge-shaped lock cylinder is formed by four parts in a surrounding mode, the included angle of each part of wedge-shaped lock cylinder is 90 degrees, and a gap is formed between each part of wedge-shaped lock cylinder; the outer diameter of the wedge-shaped lock cylinder comprises a wedge-shaped part and an annular part, the size of the wedge-shaped part is gradually increased from one end close to the piston rod to one end far away from the piston rod, and the large outer diameter end of the wedge-shaped part is transited into the annular part; the inner diameter of the wedge-shaped lock core is matched with the chain.
5. The cylinder driven chain hauler of claim 2, wherein: the chain tensioning device is characterized in that a sliding groove is formed in the lock sleeve, a connecting bolt is arranged in the sliding groove and is in sliding connection with the sliding groove, the connecting bolt penetrates through the sliding groove to be connected to the wedge-shaped lock cylinder, a limiting thread is arranged on the outer wall of the lock sleeve, the limiting ring is connected with the outer wall of the lock sleeve through the limiting thread, when the limiting ring rotates to a limit position close to the sliding groove, the limiting ring is in contact with the connecting bolt, the lock sleeve and the wedge-shaped lock cylinder synchronously move, and.
6. The cylinder driven chain hauler of claim 2, wherein: the chain is a round-link chain, and the inner diameter of the wedge-shaped lock cylinder is a cross-shaped flower cavity matched with the round-link chain.
7. The cylinder driven chain hauler of claim 1, wherein: the telescopic mechanism is a hydraulic oil cylinder, a piston rod is connected with the inner wall of a cylinder barrel of the hydraulic oil cylinder in a sliding mode, a center penetrating pipe used for penetrating a chain is arranged inside the cylinder barrel, and the outer wall of the center penetrating pipe is connected with the inner wall of a hollow cavity of the piston rod in a sliding mode.
8. The cylinder driven chain hauler of claim 1, wherein: the dragging machine is provided with a clamping chain plate, the clamping chain plate is arranged below the piston rod, a clamping chain opening is formed in the end portion of the clamping chain plate, the position of the clamping chain opening is matched with the extended limit position of the piston rod, and the chain is clamped in the clamping chain opening.
9. The cylinder driven chain hauler of claim 1, wherein: the telescopic mechanism is fixed on the base, and the base is connected with the shell of the telescopic mechanism through a fixed hinge shaft.
10. The cylinder driven chain hauler of claim 1, wherein: the tensioning lock head is connected to the end part of the piston rod through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561832.8U CN212374839U (en) | 2020-07-31 | 2020-07-31 | Chain type dragging machine driven by oil cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021561832.8U CN212374839U (en) | 2020-07-31 | 2020-07-31 | Chain type dragging machine driven by oil cylinder |
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| Publication Number | Publication Date |
|---|---|
| CN212374839U true CN212374839U (en) | 2021-01-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021561832.8U Active CN212374839U (en) | 2020-07-31 | 2020-07-31 | Chain type dragging machine driven by oil cylinder |
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| CN (1) | CN212374839U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356284A (en) * | 2021-06-23 | 2021-09-07 | 中国地质大学（武汉） | Rock slope locking section crack deformation monitoring device and arrangement method |
-
2020
- 2020-07-31 CN CN202021561832.8U patent/CN212374839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113356284A (en) * | 2021-06-23 | 2021-09-07 | 中国地质大学（武汉） | Rock slope locking section crack deformation monitoring device and arrangement method |
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