CN221120270U - Combined type double-cylinder sludge pump piston rod - Google Patents
Combined type double-cylinder sludge pump piston rod Download PDFInfo
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- CN221120270U CN221120270U CN202322145049.3U CN202322145049U CN221120270U CN 221120270 U CN221120270 U CN 221120270U CN 202322145049 U CN202322145049 U CN 202322145049U CN 221120270 U CN221120270 U CN 221120270U
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- butt joint
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Abstract
The utility model discloses a combined type double-cylinder sludge pump piston rod, which comprises piston branch rods, wherein the number of the piston branch rods is two, and each piston branch rod comprises a rod body and an oil cylinder piston section; one end of the rod body is provided with a butt joint hole, and an internal thread connecting section is arranged in the butt joint hole; the end of the rod body, which is provided with the butt joint hole, is also provided with an oil cylinder piston section, and the outer side end of the oil cylinder piston section is provided with an annular bulge; the middle connecting section is used for butt-jointing and fixing the two piston sub-rods through the cooperation of the middle connecting section and the butt-joint holes; the two sides of the middle connecting section are respectively provided with an external thread connecting section matched with the internal thread connecting section, and are also respectively provided with a tightening section for facilitating the tightening tool to tighten and rotate the middle connecting section; the locking sleeve is detachably sleeved on the two annular protrusions at the butt joint part of the piston branch rod and plays a role in locking and preventing looseness at the butt joint part of the piston branch rod. The design is convenient to carry, and the maintenance cost is saved.
Description
Technical Field
The utility model relates to the field of sludge pumps, in particular to a piston rod of a combined double-cylinder sludge pump.
Background
The double-cylinder sludge pump comprises a hydraulic cylinder and two working cylinders which are respectively arranged at two sides of the hydraulic cylinder, piston rods penetrate through the hydraulic cylinder and the working cylinders, cylinder pistons which reciprocate in the hydraulic cylinder are arranged in the middle of the piston rods, and working cylinder pistons which reciprocate in the working cylinders are respectively arranged at two sides of the piston rods.
The piston rod of the sludge pump in the prior art is an integral body, and the integral body needs to be replaced once damaged, so that the maintenance cost is high; in addition, the length is relatively long, the occupied space is large during carrying, and the carrying is inconvenient.
Disclosure of utility model
The utility model aims to provide a combined double-cylinder sludge pump piston rod which is convenient to carry and saves maintenance cost.
The purpose of the utility model is realized in the following way: a combined type double-cylinder sludge pump piston rod comprises piston branch rods, wherein the number of the piston branch rods is two, and each piston branch rod comprises a rod body and an oil cylinder piston section; a butt joint hole is formed in one end of the rod body, and an internal thread connecting section is arranged in the butt joint hole; the end of the rod body, which is provided with the butt joint hole, is also provided with an oil cylinder piston section, and the outer side end of the oil cylinder piston section is provided with an annular bulge; the middle connecting section is used for butt-jointing and fixing the two piston sub-rods through the cooperation of the middle connecting section and the butt-joint holes; the two sides of the middle connecting section are respectively provided with an external thread connecting section matched with the internal thread connecting section, and are also respectively provided with a screwing section for facilitating screwing of a screwing tool to rotate the middle connecting section; the locking sleeve is detachably sleeved on the two annular protrusions at the butt joint part of the piston branch rod and plays a role in locking and loosening the butt joint part of the piston branch rod.
Compared with the prior art, the utility model has the beneficial effects that: the piston rod provided by the utility model is divided into two piston branch rods, and when the piston rod is used, only the two piston branch rods are assembled in a butt joint way, and because the piston rod is divided into the piston branch rods with shorter length, the occupied space is smaller during carrying, and the carrying is convenient; in addition, when the piston rod is damaged, only the corresponding damaged piston rod is needed to be replaced, the whole piston rod is not needed to be replaced, and the maintenance cost is naturally saved; meanwhile, because the length of the piston rod which is independently processed is shorter, the coaxiality is easier to control, and the processing difficulty of parts is also reduced; on the other hand, the two pistons are in the same structure, the left and right are not needed to be distinguished, the universality of the two pistons is higher, and the probability of shipping errors is lower.
As the preferable scheme of the utility model, the locking sleeve comprises two semicircular locking blocks with concave sections and a middle supporting ring detachably sleeved on the outer sides of the two locking blocks. The locking device is simple in design structure, convenient to assemble and disassemble and reliable in locking.
Further, the tightening section is a protrusion with a regular hexagon cross section, and the tightening tool is convenient to clamp in. The matching rate of the design and a common tightening tool spanner and a sleeve is higher, and the tightening tool is not required to be specially customized.
Further, a tightening auxiliary mechanism for assisting the rotary piston to separate the rod so as to be in butt joint and tightening is further arranged on the rod body, and the tightening auxiliary mechanism is a tightening jack which is arranged on the rod body and is close to the oil cylinder piston section. The design is convenient for operators to finish the operation of rotating the piston split rod to carry out butt joint and screwing.
Further, each cylinder piston segment is provided with a sealing groove and a supporting groove, the supporting groove is close to the piston rod butt joint, and the sealing grooves are farther away from the butt joint than the supporting grooves.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic structural view of the piston rod according to the present utility model.
Fig. 3 is a schematic structural view of the middle connecting section according to the present utility model.
Fig. 4 is a front view of the lock block of the present utility model.
Fig. 5 is a right side view of the lock block of the present utility model.
The novel hydraulic cylinder comprises a piston rod, a rod body, a butt joint hole, an internal threaded connection section, a screwing jack, an oil cylinder piston section, an annular protrusion, a sealing groove, a supporting groove, a middle connecting section, an external threaded connection section, a screwing action section, a locking sleeve, a locking block and a middle supporting ring, wherein the piston rod is divided into a piston rod, the rod body, the butt joint hole, the internal threaded connection section, the screwing jack, the cylinder piston section, the annular protrusion, the sealing groove, the supporting groove, the middle connecting section, the external threaded connection section, the locking sleeve, the locking block and the middle supporting ring are respectively arranged in the cylinder piston section, the piston rod body, the butt joint hole, the internal threaded connection section, the locking sleeve, the locking block and the middle supporting ring.
Detailed Description
The above and further technical features and advantages of the present utility model are described in more detail below with reference to the accompanying drawings.
Referring to fig. 1 to 5, a piston rod of a combined double-cylinder sludge pump comprises two piston sub-rods 1, wherein each piston sub-rod 1 comprises a rod body 2 and an oil cylinder piston section 3; a butt joint hole 2a is arranged at one end of the rod body 2, and an internal thread connecting section 2b is arranged in the butt joint hole 2a; the end, provided with the butt joint hole 2a, of the rod body 2 is also provided with an oil cylinder piston section 3, and the outer side end of the oil cylinder piston section 3 is provided with an annular bulge 3a; the middle connecting section 4 is used for butt-jointing and fixing the two piston sub-rods 1 through the cooperation of the middle connecting section 4 and the butt-joint holes 2a; the two sides of the middle connecting section 4 are respectively provided with an external thread connecting section 4a matched with the internal thread connecting section 2b, and are respectively provided with a tightening section 4b for facilitating the tightening tool to tighten and rotate the middle connecting section 4; and the locking sleeve 5 is detachably sleeved on the two annular protrusions 3a at the butt joint position of the piston branch rod 1, and plays a role in locking and looseness prevention at the butt joint position of the piston branch rod 1.
The locking sleeve 5 shown in fig. 1, 4 and 5 comprises two semicircular locking blocks 5a with concave sections, and a middle supporting ring 5b detachably sleeved on the outer sides of the two locking blocks 5 a. It should be noted that, after the locking block 5a is clamped into the annular protrusion 3a, the locking block is wrapped by the middle supporting ring 5b, so that the locking block cannot fall off; meanwhile, the locking block 5a is clamped in, the butt joint of the piston branch rod 1 can be limited, and the butt joint looseness of the piston branch rod 1 can necessarily lead to the expansion of the butt joint, so that the locking block 5a has the locking and anti-loosening effects at the butt joint.
With reference to fig. 1 and 3, the tightening section 4b is a protrusion with a regular hexagonal cross section, which is convenient for the tightening tool to be clamped in. The tightening tool generally includes an open-end wrench, a box wrench, a socket, and the like.
As shown in fig. 1 and 2, the shaft 2 is further provided with a tightening auxiliary mechanism for assisting the rotary piston rod 1 to be screwed in a butt joint manner, and the tightening auxiliary mechanism is a tightening jack 2c which is arranged on the shaft 2 and is close to the cylinder piston segment 3. If the shaft 2 is not provided with a tightening auxiliary mechanism, the piston rod 1 can be rotated by other tools during butt tightening, for example, a pipe clamp, a hoop, etc. for clamping cylindrical articles, and on the basis, the length of the middle bolt can be changed appropriately to rotate the piston rod 1.
As shown in fig. 1 and 2, each cylinder piston segment 3 is provided with a sealing groove 3b and a supporting groove 3c, the supporting groove 3c is close to the butt joint of the piston rod 1, and the sealing groove 3b is further away from the butt joint than the supporting groove 3 c.
In the course of the assembly process,
Firstly, the piston branch rod 1 is put flat by auxiliary tools such as a cushion block and the like;
Then, one end of the middle connecting section 4 is aligned with the butt joint hole 2a of any piston branch rod 1 to be screwed in; during the screwing process, a metal rod can be inserted into the screwing jack 2c, and the piston rod 1 is fixed by the metal rod, and a screwing tool such as an adjustable spanner can be clamped into the screwing section 4b, and the middle connecting section 4 is screwed by rotation of the screwing tool;
Then, the other piston sub-rod 1 is moved to align the butt joint hole 2a to the other end close to the middle connecting section 4, and the piston sub-rod 1 is screwed down until the annular protrusions 3a of the two piston sub-rods 1 are abutted against each other; during the screwing process, a metal rod can be inserted into the screwing jack 2c, and the piston rod 1 is fixed and rotated thereby;
Finally, the locking block 5a is clamped on the annular bulge 3a at the joint of the piston branch rods 1, the middle supporting ring 5b is quickly assembled, and the locking block 5a is wrapped in the middle supporting ring to avoid falling; when the locking block 5a is mounted, grease can be smeared on the inner side of the locking block 5a to ensure that the locking block 5a can be temporarily adhered on the annular protrusion 3a, thereby providing sufficient time for mounting the middle support ring 5 b.
The utility model is not limited to the above embodiments, and based on the technical solution disclosed in the utility model, a person skilled in the art may make some substitutions and modifications to some technical features thereof without creative effort according to the technical content disclosed, and all the substitutions and modifications are within the protection scope of the utility model.
Claims (5)
1. A combined type double-cylinder sludge pump piston rod is characterized in that: the piston rod comprises
The two piston branch rods (1) are arranged, and each piston branch rod (1) comprises a rod body (2) and an oil cylinder piston section (3); one end of the rod body (2) is provided with a butt joint hole (2 a), and an internal thread connecting section (2 b) is arranged in the butt joint hole (2 a); one end of the rod body (2) provided with a butt joint hole (2 a) is also provided with an oil cylinder piston segment (3), and the outer side end of the oil cylinder piston segment (3) is provided with an annular bulge (3 a);
The middle connecting section (4), the middle connecting section (4) is matched with the butt joint hole (2 a) to butt-joint and fix the two piston sub-rods (1); the two sides of the middle connecting section (4) are respectively provided with an external thread connecting section (4 a) matched with the internal thread connecting section (2 b), and are also respectively provided with a screwing section (4 b) for facilitating screwing of a screwing tool to rotate the middle connecting section (4);
The locking sleeve (5) is detachably sleeved on two annular protrusions (3 a) at the butt joint position of the piston branch rod (1), and plays a role in locking and looseness prevention at the butt joint position of the piston branch rod (1).
2. A combined double cylinder sludge pump piston rod as claimed in claim 1, wherein: the locking sleeve (5) comprises two semicircular locking blocks (5 a) with concave sections, and also comprises a middle supporting ring (5 b) detachably sleeved on the outer sides of the two locking blocks (5 a).
3. A combined double cylinder sludge pump piston rod according to claim 1 or 2, characterized in that: the tightening section (4 b) is a protrusion with a regular hexagon cross section, and the tightening tool is convenient to clamp in.
4. A combined double cylinder sludge pump piston rod according to claim 1 or 2, characterized in that: the novel hydraulic cylinder is characterized in that a tightening auxiliary mechanism for assisting in rotating the piston rod (1) so as to be in butt joint tightening is further arranged on the rod body (2), and the tightening auxiliary mechanism is a tightening jack (2 c) which is arranged on the rod body (2) and is close to the cylinder piston section (3).
5. A combined double cylinder sludge pump piston rod according to claim 1 or 2, characterized in that: each cylinder piston segment (3) is provided with a sealing groove (3 b) and a supporting groove (3 c), the supporting groove (3 c) is close to the butt joint of the piston rod (1), and the sealing groove (3 b) is farther away from the butt joint than the supporting groove (3 c).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322145049.3U CN221120270U (en) | 2023-08-10 | 2023-08-10 | Combined type double-cylinder sludge pump piston rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322145049.3U CN221120270U (en) | 2023-08-10 | 2023-08-10 | Combined type double-cylinder sludge pump piston rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120270U true CN221120270U (en) | 2024-06-11 |
Family
ID=91365332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322145049.3U Active CN221120270U (en) | 2023-08-10 | 2023-08-10 | Combined type double-cylinder sludge pump piston rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120270U (en) |
-
2023
- 2023-08-10 CN CN202322145049.3U patent/CN221120270U/en active Active
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