CN218910998U - Hydraulic opposite-jacking cementing insulation breaker - Google Patents
Hydraulic opposite-jacking cementing insulation breaker Download PDFInfo
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- CN218910998U CN218910998U CN202223530789.0U CN202223530789U CN218910998U CN 218910998 U CN218910998 U CN 218910998U CN 202223530789 U CN202223530789 U CN 202223530789U CN 218910998 U CN218910998 U CN 218910998U
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Abstract
The utility model relates to a hydraulic opposite-cementing insulation breaker, which has the structure that: consists of an upper device, a lower device and an expansion device; wherein the upper end of the upper device is connected with the rail head for positioning; the bottom of the lower device is respectively connected with the bottom of the upper device in a positioning way; the middle of the upper device is symmetrically connected with a hydraulic cylinder, and a piston rod of the hydraulic cylinder is connected with the expansion device; the expansion device comprises an expansion pipe and an expansion rod, wherein the external thread of the expansion pipe is clamped in a bolt hole of the cementing insulating clamping plate to be disassembled, the expansion rod connected with the hydraulic cylinder on one side is inserted into the expansion pipe, and the hydraulic cylinder on the other side is tightly propped against the outer end face of the expansion pipe. The hydraulic opposite-jacking cementing insulating breaker adopts an expansion pipe structure, and is connected after the threads in the cementing insulating clamping plates are expanded, so that the aim of cold disassembly is fulfilled by hydraulic force application. The hydraulic opposite-jacking cementing insulating breaker is high in cold disassembly efficiency, and the disassembled cementing insulating clamping plates can be reused, so that the purposes of safety, high efficiency, saving and environmental protection are achieved.
Description
Technical Field
The utility model relates to a hydraulic opposite-cementing insulation breaker, belonging to the technical field of railway service maintenance tools.
Background
At present, a seamless rail is commonly adopted in a railway line, a rail circuit insulating device is commonly adopted in a cementing insulating device, and the cementing insulating device can fail due to various reasons, so that the railway circuit is required to be disassembled in an emergency for maintenance and replacement. Because the existing driving equipment is required to apply for skylight replacement, the skylight time has strict regulation, if the dismantling difficulty time is too long, the quality of a newly glued insulating joint cannot be ensured in a skylight point, and potential safety hazards are left. Because the cementing insulating clamp plate and the rail web of the steel rail are cemented and fixed on site by adopting a high-strength adhesive, the integral shearing strength and the fatigue resistance of the cementing insulating joint are ensured, but the problem of difficult disassembly during failure treatment of the cementing insulating joint is also brought. At present, the method of dismantling the cementing insulating clamping plate mainly adopts high-temperature barbecue to disable an adhesive and assist hammering, the method occupies too long time of a skylight, and in the hammering process, steel rail damage is sometimes hammered due to hammering drop point errors, time and labor are wasted, and new potential safety hazards are left due to the fact that the quality of a newly cemented insulating joint cannot be guaranteed due to too long dismantling time.
The applicant applies for a cementing insulation breaker in 2022, 11 and 4, and the application number is 202222928090.3, and the structure can realize the purpose of cold disassembly of cementing insulation, but the problem that the disassembled clamping plate cannot be reused after repair due to welding blocks in bolt holes exists in the cementing insulation breaking and dismantling structure.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a hydraulic opposite-top cementing insulating breaker which adopts an expansion pipe structure to expand and then connect threads in a cementing insulating clamping plate, and the purpose of cold dismantling is achieved through hydraulic force application. The hydraulic opposite-jacking cementing insulating breaker is high in cold disassembly efficiency, and the disassembled cementing insulating clamping plates can be reused, so that the purposes of safety, high efficiency, saving and environmental protection are achieved.
In order to solve the problems, the specific technical scheme of the utility model is as follows: a hydraulic opposite-roof cementing insulation breaker consists of an upper device, a lower device and an expansion device; wherein the upper device is of an inverted U-shaped frame structure, and the upper end of the upper device is connected with the rail head for positioning; the lower device passes through the rail bottom, and the two ends of the lower device are respectively connected with the bottom of the upper device in a positioning way; the middle of the upper device is symmetrically connected with a hydraulic cylinder, and a piston rod of the hydraulic cylinder is connected with the expansion device; the expansion device comprises an expansion pipe and an expansion rod, wherein the outer circumference of the expansion pipe is provided with external threads, the external threads are clamped in bolt holes of the cementing insulating clamping plates to be disassembled, a piston rod of a hydraulic cylinder far away from the cementing insulating clamping plates to be disassembled is connected with the expansion rod, the expansion rod is inserted into the expansion pipe, and the outer surface of the piston rod of the hydraulic cylinder close to the cementing insulating clamping plates to be disassembled is tightly propped against the outer end face of the expansion pipe.
One of them is close to the pneumatic cylinder that waits to dismantle glued insulation splint and replaces mechanical top device, and its specific structure is: the internal thread sleeve is internally connected with the threaded ejector rod through threads, the front end of the threaded ejector rod is provided with a nut I, the front end of the nut I is provided with a plane pressure bearing, the plane pressure bearing is movably connected with the nut I in a wrapping mode through a bearing sleeve, and the rear end of the threaded ejector rod is provided with a nut II.
The outer circumference of the expansion pipe is provided with external threads, the expansion pipe is provided with three axial non-through open slots which are positioned in the directions of 0 degree, 180 degrees and 270 degrees of the pipe wall of the expansion pipe, and the pipe wall is provided with through open slots in the direction of 90 degrees; the front end of the inner hole of the expansion pipe is provided with a bell mouth-shaped slope mouth.
The end part of the front end of the expansion rod is provided with a guide rod part with an equal diameter section, the rear end of the guide rod part is a slow cone part, the rear end of the slow cone part is a force transmission part with an equal diameter section, the rear end of the force transmission part is provided with a nut III, and the nut III is connected with a piston rod of the hydraulic cylinder.
The lower device consists of a bottom plate, a vertical plate and a fastener, wherein the bottom surface of a plate body of the bottom plate penetrates through the rail bottom, two sides of the plate body are symmetrically provided with a stop block and a vertical screw rod, a vertical through hole is formed in the middle of the fastener, one end surface is of a stepped structure, the other end surface is of a vertical plane, and the vertical through hole of the fastener penetrates through the vertical screw rod to be positioned and is pressed by a nut connected with the vertical screw rod; the step structure at one end of the fastener is limited on the end face of the corresponding rail bottom, and the vertical plane at the other end is limited on the inner end face of the stop block; the vertical plates are positioned at two sides of the plate body and are connected with the bottom of the upper device.
The ladder structure at one end of the fastener consists of an upper clamping groove, a lower clamping groove and a middle rail bottom pressing plate; the distance between the upper clamping grooves of the left fastener and the right fastener is equal to 60 kg of the width of the rail bottom of the steel rail; the distance between the lower clamping grooves of the left fastener and the right fastener is equal to 50 kg of rail bottom width of the steel rail, and the rail bottom pressing plate is in contact and compaction with the rail bottom surfaces of the two types of steel rails.
The upper device consists of two parallel U-shaped frame plates and two rectangular connecting plates, wherein the rectangular connecting plates are symmetrically fixed at the top part between the two U-shaped frame plates, the rectangular connecting plates are provided with adjusting bolts, and the rectangular connecting plates are symmetrically arranged and jointly propped against two sides of the rail head.
The bottom of the U-shaped frame plate is provided with 50 kg of bayonets and 60 kg of bayonets, the horizontal distance between two 50 kg of bayonets on the left side and the right side of the bottom of the U-shaped frame plate is equal to the width of 50 kg of the rail bottom of the steel rail, and the horizontal distance between two 60 kg of bayonets on the left side and the right side of the bottom of the U-shaped frame plate is equal to the width of 60 kg of the rail bottom of the steel rail; the bottom of the U-shaped frame plate is provided with pin shaft jacks, two ends of the lower device are respectively provided with a group of upright plates which are arranged in parallel, and the pin shafts penetrate through the upright plates to be connected with the pin shaft jacks at corresponding positions.
The bottom of the U-shaped frame plate is provided with two groups of pin shaft jacks with different heights, namely an upper pin shaft jack and a lower pin shaft jack, each vertical plate is provided with two groups of through holes with different heights, namely an upper through hole and a lower through hole, the upper pin shaft jack of the U-shaped frame plate is connected with the upper through hole of the vertical plate through a pin shaft, and the height of the U-shaped frame plate is matched with the height of 50 kg of steel rails; the lower pin shaft insertion hole of the U-shaped frame plate is connected with the lower through hole of the vertical plate through a pin shaft, so that the U-shaped frame plate is matched with the 60 kg steel rail in height.
The utility model adopts the structure and has the following beneficial effects:
1. the upper device and the lower device are connected to form a rectangular fastening structure, and the hydraulic cylinder applies a jacking force to the cementing insulating clamping plate to ensure the stability of the whole structure;
2. the steel rails with different types can be fastened and connected, and the machine is universal;
3. the expansion device and the hydraulic cylinder are positioned on the same section, and when the breaking and dismantling operation is performed, the bending moment of the steel rail stress point along the length direction of the steel rail is zero, so that the steel rail cannot be hard bent, and the steel rail cannot be damaged;
5. the glued insulating clamping plate is not damaged, and can be reused after being disassembled and polished by residual glue, so that the cost is saved;
6. the breaking and dismantling device has small volume and light weight, and is suitable for field operation; the hydraulic jack-up is disassembled, so that the breaking and disassembling force is high, and the hydraulic jack-up is safe and reliable;
therefore, the hydraulic opposite-roof cementing insulating breaker is safe and reliable in construction operation, saves skylight time, improves operation efficiency, is small in size, light in weight and convenient to carry in field operation, and is also civilized and environment-friendly. The cementing insulation breaker is advanced in technology, guaranteed in safety and reasonable and feasible in economy.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a hydraulic opposite-roof cementing insulation breaker.
Fig. 2 is a front view showing the structure of a double hydraulic combined type upper device according to an embodiment.
Fig. 3 is a front view showing the structure of a hydraulic-mechanical combined type upper device according to the second embodiment.
Fig. 4 is a side view of fig. 2.
Fig. 5 is a top view of the lower device.
Fig. 6 is a front view of the lower device.
FIG. 7 isbase:Sub>A top view of section A-A of FIG. 1.
Fig. 8 is a front view of the lower device connected to a 50 kg model rail.
Fig. 9 is a front view of the lower device connected to a 60 kg model rail.
Fig. 10 is an elevation view of an expansion tube of the expansion device.
Fig. 11 is a top view of an expansion tube of the expansion device.
Fig. 12 is a side view of an expansion tube of the expansion device.
Fig. 13 is an elevation view of an expansion rod of the expansion device.
Fig. 14 is a front view of the fastener.
Fig. 15 is a top view of the fastener.
Fig. 16 is a schematic view of an expansion device installation.
Detailed Description
Embodiment one: double-hydraulic combined hydraulic opposite-jacking cementing insulating breaker
As shown in fig. 1 and 2, a hydraulic opposite-roof cementing insulation breaker consists of an upper device s, a lower device x and an expansion device p; wherein the upper device s is of an inverted U-shaped frame structure, and the upper end of the upper device s is connected and positioned with the rail head g 1-2; the lower device x passes through the rail bottom g1-1, and two ends of the lower device x are respectively connected with the bottom of the upper device s in a positioning way; the middle of the upper device s is symmetrically connected with a hydraulic cylinder s2-1, and a piston rod s2-2 of the hydraulic cylinder s2-1 is connected with an expansion device p; the expansion device p comprises an expansion pipe p1 and an expansion rod p2, wherein the outer circumference of the expansion pipe p1 is provided with external threads, the external threads are clamped in bolt holes of the to-be-disassembled glued insulating clamping plates, a piston rod s2-2 of a hydraulic cylinder s2-1 far away from the to-be-disassembled glued insulating clamping plates is connected with the expansion rod p2, the expansion rod p2 is inserted into the expansion pipe p1, and the outer surface of the piston rod s2-2 of the hydraulic cylinder s2-1 close to the to-be-disassembled glued insulating clamping plates is tightly propped against the outer end face of the expansion pipe p1, as shown in fig. 16.
As shown in fig. 10 to 12, the expansion pipe p1 is made of high-strength special steel, the outer circumference of the expansion pipe p1 is provided with external threads p1-1, three axial non-through open slots p1-3 are arranged on the expansion pipe p1 and positioned in the directions of 0 degree, 180 degrees and 270 degrees of the pipe wall of the expansion pipe p1, and through open slots p1-2 are arranged in the direction of 90 degrees of the pipe wall; the front end of the inner hole of the expansion pipe p1 is provided with a flare-shaped slope surface port p1-4. The length of the expansion pipe p1 is not larger than the thickness of the glued insulating clamping plate j1, so that the problem that the expansion pipe p1 cannot be installed when the glued insulating clamping plate bolt hole j1-1 is not concentric with the steel rail hole g1-3 is solved; the expansion pipe p1 is made of special steel pipe materials with the strength and hardness far greater than those of the insulating clamping plate j1, and is processed by quenching and other processes, so that the outer threads p1-1 of the expansion pipe wall are ensured to be carved into the inner wall of the bolt hole j1-1 of the clamping plate j1 under the action of hydraulic pressure, and the expansion device p is firmly connected with the clamping plate j 1; the non-through open slots p1-3 are arranged in the directions of 0 degrees, 180 degrees and 270 degrees of the pipe wall of the expansion pipe p1, and the through open slots p1-2 are arranged in the direction of 90 degrees of the pipe wall, so that the integrity of the expansion pipe p1 is ensured to be convenient to install, and the expandability of the expansion pipe p1 is ensured to enable connection to be firmer.
As shown in fig. 13, the front end of the expansion rod p2 is provided with a guide rod portion p2-1 with an equal diameter section, the rear end of the guide rod portion p2-1 is a slow cone portion p2-2, the rear end of the slow cone portion p2-2 is a transmission portion p2-3 with an equal diameter section, the rear end of the transmission portion p2-3 is provided with a nut IIIp2-4, and the nut IIIp2-4 is connected with a piston rod s2-2 of the hydraulic cylinder s 2-1. The taper of the slow cone part p2-2 of the expansion rod p2 is consistent with that of the flare-shaped slope surface opening p1-4 of the expansion pipe p1, and the length of the carved connection between the expansion pipe p1 and the inner wall of the bolt hole j1-1 of the clamping plate j1 is increased and the connection firmness is increased through reasonable matching of the taper, the diameter of the slow cone part p2-2 and the wall thickness of the expansion pipe p 1.
As shown in fig. 5 to 9, the lower device x is composed of a bottom plate x1, a vertical plate x2 and a fastener x3, wherein the bottom surface of a plate body x1-1 of the bottom plate x1 passes through a rail bottom g1-1, two sides of the plate body x1-1 are symmetrically provided with a stop block x1-2 and a vertical screw x1-3, a vertical through hole x3-2 is arranged in the middle of the fastener x3, one end face is in a stepped structure, the other end face is in a vertical plane, and the vertical through hole x3-2 of the fastener x3 passes through the vertical screw x1-3 to be positioned and is pressed by a nut x3-6 connected with the vertical screw x 1-3; the ladder structure at one end of the fastener x3 is limited on the end face of the corresponding rail bottom g1-1, and the vertical plane at the other end is limited on the inner end face of the stop block x 1-2; the vertical plate x2 is positioned at both sides of the plate body x1-1 and is connected with the bottom of the upper device s. The vertical screw rod x1-3 adopts the same thread as the clamping plate bolt, the nut x3-6 adopts the clamping plate bolt and the nut, once the nut x3-6 is lost, local materials can be obtained for solving, and the safety risk is avoided.
As shown in fig. 14 and 15, the step structure at one end of the fastener x3 is composed of an upper clamping groove x3-4, a lower clamping groove x3-5 and a middle rail bottom pressing plate x 3-3; the distance between the upper clamping grooves x3-4 of the left and right fasteners x3 is equal to 60 kg of the width of the rail bottom of the steel rail; the distance between the lower clamping grooves x3-5 of the left fastener x3 and the right fastener x3 is equal to 50 kg of rail bottom width of the steel rail, the rail bottom pressing plate x3-3 is in contact with and pressed against the rail bottom surfaces of the steel rail of two types, and the two types of the rail bottom pressing plates are jointly fixed on the rail bottom, so that the structure is safer.
As shown in FIG. 5, the upper device s consists of two parallel U-shaped frame plates s1-1 and two rectangular connecting plates s3-1, wherein the rectangular connecting plates s3-1 are symmetrically fixed at the top part between the two U-shaped frame plates s1-1, the rectangular connecting plates s3-1 are provided with adjusting bolts s3-3, and the rectangular connecting plates s3-1 are symmetrically arranged and jointly propped against two sides of the rail head g 1-2.
As shown in FIG. 2, the horizontal distance between two 50 kg bayonets s1-3 on the left and right sides of the bottom of the U-shaped frame plate s1-1 is equal to the width of 50 kg of the rail bottom of the steel rail, the horizontal distance between two 60 kg bayonets s1-2 on the left and right sides of the bottom of the U-shaped frame plate s1-1 is equal to the width of 60 kg of the rail bottom of the steel rail, pin shaft jacks are arranged at the bottom of the U-shaped frame plate s1-1, a group of upright plates x2 which are arranged in parallel are respectively arranged at two ends of the lower device x, and pin shafts penetrate through the upright plates x2 to be connected with pin shaft jacks at corresponding positions. As shown in FIG. 7, two sides of the lower device x and the vertical plate x2 form a bayonet x1-4,U, and 50 kg of bayonets s1-3 or 60 kg of bayonets s1-2 at the bottom of the frame plate s1-1 are inserted into bayonets x1-4 to realize left and right fixed limit.
As shown in fig. 1, fig. 2, fig. 4 and fig. 6, two groups of pin shaft jacks with different heights are arranged at the bottom of the U-shaped frame plate s1-1, namely an upper pin shaft jack s1-5 and a lower pin shaft jack s1-4, each vertical plate x2 is provided with two groups of through holes with different heights, namely an upper through hole x2-3 and a lower through hole x2-2, the upper pin shaft jack s1-5 of the U-shaped frame plate s1-1 is connected with the upper through hole x2-3 of the vertical plate x2 through a pin shaft, so that the U-shaped frame plate s1-1 is matched with 50 kg of steel rail in height, and at the moment, the bottom 50 kg of the U-shaped frame plate s1-1 is tightly propped against the steel rail bottom g1-1 by the 50 kg of the bayonet s 1-3; the lower pin shaft insertion holes s1-4 of the U-shaped frame plate s1-1 are connected with the lower through holes x2-2 of the vertical plate x2 through pin shafts, so that the height of the U-shaped frame plate s1-1 is matched with the height of 60 kg of a steel rail, and at the moment, the bottom 60 kg of the U-shaped frame plate s1-1 is tightly propped against the steel rail bottom g1-1 through the bayonet s 1-2. The diameters of the upper pin shaft insertion holes s1-5, the lower pin shaft insertion holes s1-4, the upper through holes x2-3 and the lower through holes x2-2 are slightly larger than the diameters of clamping plate bolts, so that the clamping plate bolts can be used for insertion, local materials can be obtained once pins are lost, and the safety risk is avoided.
The method for cold disassembling the cementing insulating clamping plate by adopting the hydraulic opposite-jacking cementing insulating breaker comprises the following steps of;
1) According to the type of the steel rail, vertically penetrating a plate body x1-1 of a lower device x into the bottom g1-1 of the steel rail in a sleeper space and tightly attaching the plate body x1-1, installing a fastener x3 on a vertical screw rod x1-3 through a vertical through hole x3-2, tightly pressing the top surface of the rail bottom g1-1 of the steel rail, tightly screwing a nut x3-6 on the vertical screw rod x1-3, and tightly connecting the lower device x with the steel rail g 1;
2) Removing residual glue in a bolt hole j1-1 of the pre-installed expansion pipe p1 by using an electric hand drill, enabling a flared slope surface opening p1-4 of the expansion pipe p1 to face to one side far away from the cementing insulating clamping plate to be detached, installing an expansion rod p2 into an inner hole of the expansion pipe p1 on the other side, and enabling a guide rod part p2-1 of the expansion rod p2 to extend into the expansion pipe p 1;
3) The upper device s is vertically and downwards arranged above the steel rail g1, is connected with a vertical plate x2 at the lower end of the lower device x, and is inserted into a pin by selecting a proper pin jack according to the type of the steel rail;
4) The quick connector female head of the hand pump is firmly spliced with the quick connector male head s2-3 of the hydraulic cylinder s 2-1;
5) The method comprises the steps that a piston rod s2-2 of a hydraulic cylinder s2-2, which is close to a glued insulating clamping plate to be disassembled, of an upper device s stretches out to tightly prop up an expansion pipe p1 in a hole of the glued insulating clamping plate to be disassembled, after a fixed pressure value is reached, a hand pump reversing valve is operated to reverse to the hydraulic cylinder s2-1 at the side of the expansion rod p2 to continuously supply oil, the piston rod s2-2 stretches out to push the expansion rod p2 of the expansion device p, and under the combined action of the large pushing force of the piston rod s2-1 at the side of the hydraulic cylinder s2-1 and the large pushing force of the piston rod s2-2 at the opposite side, the expansion rod p2 presses a slow cone part p2-2 of the expansion rod p2 into the expansion pipe p1 and expands open grooves p1-2 and p1-3 of the expansion pipe p1, so that threads p1-1 at the outer side of the expansion pipe p1 are carved into the inner wall of a bolt hole j1-1 of the glued insulating clamping plate to be disassembled, and the expansion device p is firmly connected with the glued insulating clamping plate to be disassembled; when the pressure of the hydraulic cylinder s2-1 at the side of the expansion rod p2 reaches a specified value, operating the hand pump reversing valve to the hydraulic cylinder s2-1 at the side of the expansion pipe p1, loosening the hand pump oil return valve to unload the top force of the piston rod s2-2 at the side to be dismantled for the bolt hole j1-1 of the cementing insulating clamping plate and the expansion pipe p1 in the hole, operating the hand pump reversing valve again after unloading is finished to reverse until the side of the expansion rod p2 continuously supplies oil to the hydraulic cylinder s2-1 until the cementing insulating clamping plate j1 is separated from the steel rail g1, and completing the breaking and dismantling.
Embodiment two: hydraulic and mechanical combined hydraulic opposite-jacking cementing insulating breaker
Except that one of the hydraulic cylinders s2-1 close to the cementing insulating clamping plate to be disassembled is replaced by a mechanical top device, the concrete structure is as follows: the internal thread sleeve s2-4 Is internally connected with the thread ejector rod s2-5, the front end of the thread ejector rod s2-5 Is provided with a nut Is2-6, the front end of the nut Is2-6 Is provided with a plane pressure bearing s2-8, the plane pressure bearing s2-8 Is movably connected to the nut Is2-6 in a wrapping mode by the bearing sleeve s2-9, and the rear end of the thread ejector rod s2-5 Is provided with a nut IIs2-7. The nuts IIs2-7 have the same external dimensions as nuts of the clamping plate bolts, so that a bolt spanner necessary for field operation can be used without additional tools. The rest of the structure is the same as in the first embodiment.
The working process is as follows: after the single-oil-way hand pump is adopted to complete the installation of the breaker, the threaded ejector rod s2-5 of the mechanical ejector device is screwed first, so that the bearing sleeve s2-9 of the threaded ejector rod s2-5 is abutted against the bolt hole j1-1 of the glued insulating clamping plate j1 to be disassembled and the expansion pipe p1 in the hole, the hand pump is operated to supply oil, and the expansion device p is firmly connected with the glued insulating clamping plate j1 to be disassembled. When the pressure of the hydraulic cylinder s2-1 reaches a specified value, a screw cap IIs2-7 arranged at the rear end of the threaded ejector rod s2-5 is screwed, and a plane pressure bearing s2-8 in a bearing sleeve s2-9 rotates to unload the jacking force of the mechanical jacking device acting on a bolt hole j1-1 of the cementing insulating clamping plate j1 to be disassembled and an expansion pipe p1 in the hole. And continuously operating the hand pump to supply oil to the hydraulic cylinder s2-1 until the cementing insulating clamping plate j1 is separated from the steel rail g1, and completing the breaking and disassembling.
Claims (9)
1. The utility model provides a ware is torn open to hydraulic pressure cementing insulation, its characterized in that: consists of an upper device(s), a lower device (x) and an expansion device (p); wherein the upper device(s) is of an inverted U-shaped frame structure, and the upper end of the upper device(s) is connected and positioned with the rail head (g 1-2); the lower device (x) passes through the rail bottom (g 1-1), and the two ends of the lower device (x) are respectively connected with the bottom of the upper device(s) in a positioning way; the middle of the upper device(s) is symmetrically connected with a hydraulic cylinder (s 2-1), and a piston rod (s 2-2) of the hydraulic cylinder (s 2-1) is connected with an expansion device (p); the expansion device (p) comprises an expansion pipe (p 1) and an expansion rod (p 2), wherein the outer circumference of the expansion pipe (p 1) is provided with external threads, the external threads are clamped in bolt holes of a to-be-dismounted cementing insulating clamping plate, a piston rod (s 2-2) of a hydraulic cylinder (s 2-1) far away from the to-be-dismounted cementing insulating clamping plate is connected with the expansion rod (p 2), the expansion rod (p 2) is inserted into the expansion pipe (p 1), and the outer surface of the piston rod (s 2-2) close to the to-be-dismounted hydraulic cylinder (s 2-1) of the cementing insulating clamping plate is tightly propped against the outer end face of the expansion pipe (p 1).
2. The hydraulic butt cementing insulation breaker of claim 1, wherein: one of them is close to the pneumatic cylinder (s 2-1) that waits to dismantle the glued insulation splint and replaces mechanical top device, and its specific structure is: the internal thread sleeve (s 2-4) is internally connected with the thread ejector rod (s 2-5), the front end of the thread ejector rod (s 2-5) is provided with a screw cap I (s 2-6), the front end of the screw cap I (s 2-6) is provided with a plane pressure bearing (s 2-8), the plane pressure bearing (s 2-8) is movably connected to the screw cap I (s 2-6) in a wrapping mode by a bearing sleeve (s 2-9), and the rear end of the thread ejector rod (s 2-5) is provided with a screw cap II (s 2-7).
3. The hydraulic butt cementing insulation breaker of claim 1, wherein: the outer circumference of the expansion pipe (p 1) is provided with an external thread (p 1-1), the expansion pipe (p 1) is provided with three axial non-through open slots (p 1-3), the expansion pipe is positioned in the directions of 0 degree, 180 degrees and 270 degrees of the pipe wall of the expansion pipe (p 1), and the 90 degrees of the pipe wall is provided with a through open slot (p 1-2); the front end of the inner hole of the expansion pipe (p 1) is provided with a flare-shaped slope opening (p 1-4).
4. The hydraulic butt cementing insulation breaker of claim 1, wherein: the front end of the expansion rod (p 2) is provided with a guide rod part (p 2-1) with an equal diameter section, the rear end of the guide rod part (p 2-1) is a slow cone part (p 2-2), the rear end of the slow cone part (p 2-2) is a transmission part (p 2-3) with an equal diameter section, the rear end of the transmission part (p 2-3) is provided with a nut III (p 2-4), and the nut III (p 2-4) is connected with a piston rod (s 2-2) of the hydraulic cylinder (s 2-1).
5. The hydraulic butt cementing insulation breaker of claim 1, wherein: the lower device (x) consists of a bottom plate (x 1), a vertical plate (x 2) and a fastener (x 3), wherein the bottom surface of a plate body (x 1-1) of the bottom plate (x 1) penetrates through a rail bottom (g 1-1), two sides of the plate body (x 1-1) are symmetrically provided with a stop block (x 1-2) and a vertical screw (x 1-3), a vertical through hole (x 3-2) is arranged in the middle of the fastener (x 3), one end face is of a stepped structure, the other end face is of a vertical plane, and the vertical through hole (x 3-2) of the fastener (x 3) penetrates through the vertical screw (x 1-3) to be positioned and is pressed by a nut (x 3-6) connected with the vertical screw (x 1-3); the step structure at one end of the fastener (x 3) is limited on the end face of the corresponding rail bottom (g 1-1), and the vertical plane at the other end is limited on the inner end face of the stop block (x 1-2); the vertical plate (x 2) is positioned at two sides of the plate body (x 1-1) and is connected with the bottom of the upper device(s).
6. The hydraulic butt cementing insulation breaker of claim 5, wherein: the ladder structure at one end of the fastener (x 3) consists of an upper clamping groove (x 3-4), a lower clamping groove (x 3-5) and a middle rail bottom pressing plate (x 3-3); the distance between the upper clamping grooves (x 3-4) of the left fastener (x 3) and the right fastener (x 3) is equal to 60 kg of the width of the rail bottom of the steel rail; the distance between the lower clamping grooves (x 3-5) of the left fastener (x 3) and the right fastener (x 3) is equal to 50 kg of rail bottom width of the steel rail, and the rail bottom pressing plate (x 3-3) is in contact compression with the rail bottom surfaces of the two types of steel rails.
7. The hydraulic butt cementing insulation breaker of claim 1, wherein: the upper device(s) consists of two parallel U-shaped frame plates (s 1-1) and two rectangular connecting plates (s 3-1), wherein the rectangular connecting plates (s 3-1) are symmetrically fixed at the top part between the two U-shaped frame plates (s 1-1), the rectangular connecting plates (s 3-1) are provided with adjusting bolts (s 3-3), and the rectangular connecting plates (s 3-1) are symmetrically arranged and jointly propped against two sides of the rail head (g 1-2).
8. The hydraulic butt cementing insulation breaker of claim 7, wherein: the bottom of the U-shaped frame plate (s 1-1) is provided with 50 kg of bayonets (s 1-3) and 60 kg of bayonets (s 1-2), the horizontal distance between two 50 kg of bayonets (s 1-3) on the left side and the right side of the bottom of the U-shaped frame plate (s 1-1) is equal to the width of 50 kg of the rail bottom of a steel rail, and the horizontal distance between two 60 kg of bayonets (s 1-2) on the left side and the right side of the bottom of the U-shaped frame plate (s 1-1) is equal to the width of 60 kg of the rail bottom of the steel rail; the bottom of the U-shaped frame plate (s 1-1) is provided with pin shaft jacks, two ends of the lower device (x) are respectively provided with a group of vertical plates (x 2) which are arranged in parallel, and the pin shafts penetrate through the vertical plates (x 2) to be connected with the pin shaft jacks at corresponding positions.
9. The hydraulic butt cementing insulation breaker of claim 8, wherein: two groups of pin shaft jacks with different heights are arranged at the bottom of the U-shaped frame plate (s 1-1), namely an upper pin shaft jack (s 1-5) and a lower pin shaft jack (s 1-4), each vertical plate (x 2) is provided with two groups of through holes with different heights, namely an upper through hole (x 2-3) and a lower through hole (x 2-2), the upper pin shaft jack (s 1-5) of the U-shaped frame plate (s 1-1) is connected with the upper through hole (x 2-3) of the vertical plate (x 2) through a pin shaft, and the U-shaped frame plate (s 1-1) is formed to be matched with a 50 kg steel rail in height; the lower pin shaft insertion holes (s 1-4) of the U-shaped frame plate (s 1-1) are connected with the lower through holes (x 2-2) of the vertical plate (x 2) through pin shafts, so that the U-shaped frame plate (s 1-1) is matched with the 60 kg steel rail in height.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530789.0U CN218910998U (en) | 2022-12-29 | 2022-12-29 | Hydraulic opposite-jacking cementing insulation breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223530789.0U CN218910998U (en) | 2022-12-29 | 2022-12-29 | Hydraulic opposite-jacking cementing insulation breaker |
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| Publication Number | Publication Date |
|---|---|
| CN218910998U true CN218910998U (en) | 2023-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223530789.0U Active CN218910998U (en) | 2022-12-29 | 2022-12-29 | Hydraulic opposite-jacking cementing insulation breaker |
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| Country | Link |
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| CN (1) | CN218910998U (en) |
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