Double-block type ballastless track detection device

Abstract

The utility model relates to the technical field of railway line measurement, in particular to a double-block type ballastless track detection device which comprises a mounting plate and a prism assembly mounted in the middle of the upper plate surface of the mounting plate, clamping assemblies used for clamping sleeper grooves are arranged at two ends of the mounting plate, and the two clamping assemblies are arranged side by side at intervals and are rotationally and symmetrically arranged; the clamping assembly comprises a door frame plate, the door frame plate comprises a cross arm part fixed to the lower plate face of the corresponding end of the installation plate and two vertical supporting parts arranged at the two ends of the cross arm part respectively, and a sliding rod capable of being telescopically positioned in the direction of the cross arm part is installed at the bottom end of one vertical supporting part. A first supporting piece and a second supporting piece which are used for supporting the two side walls of the sleeper groove in an abutting mode are fixed to the outer end of the sliding rod and the outer side of the bottom end of the other vertical supporting part respectively. The detection device can efficiently detect the sleeper in a prism detection mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to railway line surveying technical field, especially a kind of double-block type ballastless track detection device. BACKGROUND

[0002] Double-block type ballastless track is a kind of track structure commonly used in high-speed railway, urban rail transit and other fields, mainly including track foundation, sleeper and steel rail, sleeper is laid and fixed on track foundation, and steel rail is installed in the groove of sleeper by special fixing device, such as track fastener, clamp and the like, as shown in the accompanying drawings;In order to ensure the safety and reliability of track structure construction, before the erection of steel rail, the already done concrete sleeper needs to be detected in advance whether it is correct position plane and elevation, and the traditional relative measurement by measuring tape is inefficient and has large measurement error. Figure 1

[0003] The Chinese utility model patent with publication number CN221320537U discloses a self-centering track detection device, which measures the self-centering by installing a prism on the track, which is very accurate and efficient;But it detects the installed steel rail, and if the sleeper needs to be detected, a special installation detection device is needed. CONTENT

[0004] In order to overcome the deficiencies in the background art and solve the existing technical problems, the utility model discloses a double-block type ballastless track detection device, which can efficiently detect the sleeper by prism detection method.

[0005] To achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A double-block type ballastless track detection device comprises a mounting plate and a prism assembly mounted on the middle of the plate surface of the mounting plate, both ends of the mounting plate are provided with clamping assemblies for clamping sleeper grooves, and the two clamping assemblies are spaced apart and arranged in parallel and rotationally symmetrically;The clamping assembly comprises a portal plate, the portal plate comprises a cross arm portion fixed to the lower plate surface of the corresponding end of the mounting plate, and two vertical support portions respectively arranged at both ends of the cross arm portion, the bottom end of one vertical support portion is provided with a sliding rod capable of extending and positioning along the direction of the cross arm portion, and the outer end of the sliding rod and the bottom outer side of the other vertical support portion are respectively fixed with a first support and a second support for supporting the two side walls of the sleeper groove.

[0007] Further, the prism assembly comprises a prism frame and a mirror body mounted in the prism frame, the middle of the plate surface of the mounting plate is fixed with a plug, and the bottom of the prism frame is fixed with a plug sleeve detachably inserted with the plug.

[0008] Further, the mirror body is provided as a 360 prism.

[0009] ​Further, the two vertical support part bottom ends of the portal plate extend outward along the cross beam part direction to form extension parts.

[0010] Further, the vertical support part bottom end inner side of the installation slide rod is provided with a slot, a crank rod is arranged in the slot, one end of the crank rod is vertically connected with a handle, and the handle is rotatably arranged on the slot wall through a first rotating shaft, the other end of the crank rod is provided with a long hole along the axial direction of the crank rod, the slot bottom surface is provided with a limiting through hole which is suitable for the slide rod to slide and insert, the inner end of the slide rod is fixedly connected with a second rotating shaft which is coaxial with the first rotating shaft, and the second rotating shaft is rotatably inserted into the long hole.

[0011] Further, the outer end of the slide rod is coaxially fixedly connected with a connecting column which has a larger diameter than the slide rod, the limiting through hole is expanded at the outer end to form a stepped through hole which is suitable for the connecting column to slide and insert, and a compression spring is arranged outside the slide rod rod body between the stepped surface of the stepped through hole and the connecting column.

[0012] Further, the outer side bottom end of the first support part and the second support part are provided with a clamping hook.

[0013] By adopting the technical scheme, the utility model has the advantages of the following:

[0014] The double-block type ballastless track detection device can be clamped in the sleeper groove through the clamping assembly, so that the prism assembly installed on the mounting plate can simulate and replace the steel rail to be installed on the coordinate, and cooperate with external light measuring instruments and equipment such as total station, so that the detection coordinate value and the design coordinate value can be compared in advance to determine whether the position and elevation of the concrete sleeper meet the installation requirements; in addition, the two clamping assemblies are used to clamp the sleeper groove through the elongated slide rods, which not only ensures stable and reliable installation, but also facilitates disassembly and assembly, is conducive to rapid installation and detection of other sleepers, and greatly improves the detection efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is a schematic view of the mounting structure of the sleeper;

[0016] Figure 2 is a schematic view of the implementation structure of the utility model;

[0017] Figure 3 is a schematic view of the three-dimensional structure of the utility model after removing the prism assembly;

[0018] Figure 4 is a schematic view of the installation structure of the slide rod.

[0019] In the figure: 1, mounting plate; 2, clamping assembly; 201, portal plate; 202, sliding rod; 203, first supporting piece; 204, second supporting piece; 205, crank rod; 206, handle; 207, connecting column; 208, slot; 209, limiting through hole; 210, first rotating shaft; 211, second rotating shaft; 212, long hole; 213, compression spring; 3, plug; 4, plug sleeve; 5, mirror body; 6, prism frame. DETAILED DESCRIPTION

[0020] The technical scheme of the utility model will be described below with reference to the accompanying drawings of the utility model embodiments. In the description, it should be understood that the orientation or position relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right" and the like only corresponds to the accompanying drawings of the utility model, and is for the convenience of describing the utility model, rather than indicating or implying that the device or element referred to must have a particular orientation.

[0021] In combination with the accompanying drawings Figures 2-4 The double-block type ballastless track detection device comprises a mounting plate 1 and a prism assembly mounted on the middle part of the plate surface of the mounting plate 1. Specifically, the prism assembly comprises a prism frame 6 and a mirror body 5 mounted in the prism frame 6. The mirror body 5 can also be a 360-prism. The mounting plate 1 is fixed with a plug 3 on the middle part of the plate surface. The bottom of the prism frame 6 is fixed with a plug sleeve 4 that can be detachably inserted into the plug 3, facilitating the disassembly and assembly. The mirror body 5 serves as a detection reference and can replace the steel rail to be installed, facilitating the coordinate detection by external optical measuring instruments such as total station, so as to determine whether the position and elevation of the concrete sleeper meet the installation requirements.

[0022] Both ends of the mounting plate 1 are provided with clamping assemblies 2 for clamping the sleeper groove. The two clamping assemblies 2 are arranged in parallel and rotationally symmetrically. Since the groove of the sleeper has a certain length, the arrangement of the two clamping assemblies 2 can ensure stable clamping. The clamping assembly 2 comprises a portal plate 201, which comprises a cross arm part fixed to the lower plate surface of the corresponding end of the mounting plate 1, and two vertical support parts respectively arranged at both ends of the cross arm part. In order to adapt to the groove width of the sleeper, the two vertical support parts of the portal plate 201 can also be designed to extend outward along the direction of the cross arm part to form an extension part. The bottom end of one vertical support part is provided with a sliding rod 202 that can be extended and positioned along the direction of the cross arm part. The sliding rod 202 can be manually extended and positioned, or automatically extended and positioned by a motor, an electric cylinder or the like. The outer end of the sliding rod 202 and the outer side of the bottom end of the other vertical support part are respectively fixed with a first supporting piece 203 and a second supporting piece 204 for abutting against the two side walls of the sleeper groove. The first supporting piece 203 and the second supporting piece 204 can increase the abutting area to prevent slipping. According to needs, the outer side of the bottom end of the first supporting piece 203 and the second supporting piece 204 is provided with a clamping hook, such as the clamping hook 207 shown in the figure. Figure 1As shown, the two groove wall bottoms of the sleeper groove are often not flat, and the designed clamping hook can increase the stability of clamping.

[0023] According to needs, the inner side of the bottom end of the vertical support part of the slide rod 202 is provided with a slot 208, the slot 208 is provided with a crank rod 205, one end of the crank rod 205 is vertically connected with a handle 206, and the crank rod 205 is rotatably installed in the slot wall of the slot 208 through a first rotating shaft 210, the other end of the crank rod 205 is provided with a long hole 212 along the axial direction of the crank rod 205, the slot bottom surface of the slot 208 is provided with a limiting through hole 209 matched with the sliding insertion of the slide rod 202, the inner end of the slide rod 202 is fixedly provided with a second rotating shaft 211 coaxial with the first rotating shaft 210, the second rotating shaft 211 is rotatably inserted into the long hole 212, and the slide rod 202 is rotatably inserted into the long hole 212. Figure 4 As shown, when the handle 206 is pressed down, the crank rod 205 rotates counterclockwise, and under the cooperation of the long hole 212 and the second rotating shaft 211, the second rotating shaft 211 is pushed to move outward together with the slide rod 202, and the first support piece 203 is pushed outwards, and vice versa, when the crank rod 205 is lifted upwards, the slide rod 202 and the first support piece 203 can be pulled back; in addition, the outer end of the slide rod 202 is coaxially fixedly provided with a connecting column 207 with a diameter larger than that of the slide rod 202, the limiting through hole 209 is expanded in diameter at the outer end to form a stepped through hole matched with the sliding insertion of the connecting column 207, and a compression spring 213 is arranged between the stepped surface of the stepped through hole and the connecting column 207 and surrounds the rod body of the slide rod 202, so that the first support piece 203 can be tightly pressed against the corresponding groove wall of the groove of the sleeper through the compression spring 213 when the slide rod 202 is stretched out.

[0024] The double-block type ballastless track detection device is installed by first lifting the handles 206 with both hands, then pressing the two clamping assemblies 2 into the grooves of the sleepers, then lowering the handles 206 to make the slide rods 202 stretch out, so that the first support piece 203 and the second support piece 204 can tightly press against the two groove walls of the sleeper groove, and then adjusting the height of the prism assembly and installing it on the mounting plate 1.

[0025] The part not described in detail in the utility model is the prior art, and it is obvious for those skilled in the art that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model; therefore, no matter from which point of view, the above embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model, and any reference signs in the claims should not be regarded as limiting the content of the claims involved.

Claims

1. A dual-block ballastless track inspection device, characterized in that: The utility model provides a kind of prism assembly and the installation plate for installing prism assembly, the installation plate (1) and the prism assembly of installing in the middle of plate surface of installation plate (1) are included, the both ends of the installation plate (1) are equipped with the clamping assembly (2) for clamping sleeper groove, and two clamping assemblies (2) are spaced and arranged in parallel and rotationally symmetric;The clamping assembly (2) includes a portal plate (201), the portal plate (201) includes the cross arm portion fixed to the lower plate surface of the corresponding end of installation plate (1), and two vertical support portions are respectively provided at the both ends of cross arm portion, wherein the bottom end of one vertical support portion is provided with a slide rod (202) capable of being positioned in the direction of cross arm portion, and the outer end of the slide rod (202) and the bottom end of the other vertical support portion are respectively provided with a first support member (203) and a second support member (204) for supporting the two side walls of the sleeper groove.

2. The double-block ballastless track detection device according to claim 1, characterized in that: The prism assembly includes a prism frame (6) and a mirror body (5) mounted in the prism frame (6), and a plug (3) is fixed in the middle of the upper surface of the installation plate (1), and the bottom of the prism frame (6) is fixed with a plug sleeve (4) detachably inserted with the plug (3).

3. The double-block ballastless track detection device according to claim 2, characterized in that: The mirror body (5) is provided as a 360 prism.

4. The double-block ballastless track detection device according to claim 1, characterized in that: The bottom end of the two vertical support portions of the portal plate (201) extends outward in the direction of the cross arm portion to form an extension portion.

5. The double-block monolithic track detection device of claim 1, wherein: The inside of the bottom end of the vertical support portion where the slide rod (202) is mounted is provided with a slot (208), and a crank rod (205) is arranged in the slot (208), one end of the crank rod (205) is vertically connected with a handle (206), and the handle (206) is rotatably mounted on the slot wall of the slot (208) through a first rotating shaft (210), the other end of the crank rod (205) is provided with a long hole (212) in the axial direction of the crank rod (205), the bottom surface of the slot (208) is provided with a limiting through hole (209) adapted for the sliding insertion of the slide rod (202), and the inner end of the slide rod (202) is fixed with a second rotating shaft (211) coaxial with the first rotating shaft (210), and the second rotating shaft (211) is adapted to be rotatably inserted into the long hole (212).

6. The double-block ballastless track detection device according to claim 5, characterized in that: The outer end of the slide rod (202) is coaxially fixed with a connecting column (207) having a diameter larger than that of the slide rod (202), the limiting through hole (209) is expanded at the outer end to form a stepped through hole adapted for the sliding insertion of the connecting column (207), and a compression spring (213) is arranged outside the rod body of the slide rod (202) between the stepped surface of the stepped through hole and the connecting column (207).

7. The double-block monolithic track detection device of claim 1, wherein: The outer bottom end of the first support member (203) and the second support member (204) is provided with a clamping hook.

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