Adjustable stepless positioning device for cylindrical rod and shield reinforcing equipment for railway flatcar

Abstract

The utility model discloses an adjustable stepless positioning device for a cylindrical rod and shield reinforcing equipment for a railway flatcar. The adjustable stepless positioning device comprises a positioning sleeve, an adjusting nut and a fixing pin. A plurality of through holes are formed in the cylindrical rod at intervals; the positioning sleeve can be arranged on the cylindrical rod in a sleeving mode, a positioning hole is formed in the positioning sleeve and matched with the through hole, and at least one end of the positioning sleeve is provided with an external thread; the fixing pin is arranged to penetrate through the positioning hole and the through hole, so that the positioning sleeve is fixed on the cylindrical rod; the adjusting nut is provided with an internal thread, the internal thread is matched with the external thread on the positioning sleeve, and one end face of the adjusting nut is arranged to be capable of exceeding one end face of the positioning sleeve. According to the adjustable stepless positioning device, a positioned object on the cylindrical rod can be better positioned, and fine adjustment can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of adjustable endless positioning device for cylindrical rod, and further relates to a kind of railway flat car is used cover and reinforce equipment. BACKGROUND

[0002] At present, there are various positioning methods for sleeve on cylindrical rod, including positioning pin positioning, threaded positioning, fixture clamping positioning, etc. However, in the positioning pin positioning, the positioning pin can only be positioned according to the positioning hole of the cylindrical rod, and cannot be adjusted at any position, especially fine adjustment. In the threaded positioning, if the rod is too long, it needs to be screwed in from one end, which is low in adjustment efficiency. In the fixture clamping positioning, it is easy to produce longitudinal sliding due to insufficient friction.

[0003] For example, there are documents reporting adjustable length narrow space bolt fastening tools, including extension rod and adjusting rod. The rod body of the extension rod is provided with a plurality of positioning pin holes arranged in sequence and parallel along the rod body. The sleeve of the adjusting rod is sleeved on the rear part of the extension rod. The sleeve of the adjusting rod is provided with a plurality of adjusting pin holes opposite to the positioning pin holes on the extension rod. The positioning pin is inserted into the adjusting pin hole and the positioning pin hole. The tool of the document is mainly used for adjusting the length, and is not suitable for positioning and fixing the object. SUMMARY

[0004] Therefore, one object of the utility model is to provide an adjustable endless positioning device for cylindrical rod, which can better position the object positioned on the cylindrical rod and can be fine adjusted. Another object of the utility model is to provide a cover and reinforce equipment for railway flat car.

[0005] The utility model achieves the above-mentioned objects by adopting the following technical solutions.

[0006] On the one hand, the utility model provides an adjustable endless positioning device for cylindrical rod, which is provided with a plurality of through holes at intervals on the cylindrical rod. The adjustable endless positioning device includes a positioning sleeve, an adjusting nut and a fixing pin.

[0007] The positioning sleeve is arranged to be sleeved on the cylindrical rod. The positioning sleeve is provided with a positioning hole, which is matched with the through hole. At least one end of the positioning sleeve is provided with an external thread.

[0008] The fixing pin is arranged to penetrate the positioning hole and the through hole, so as to fix the positioning sleeve on the cylindrical rod.

[0009] The adjusting nut has an inner thread matched with an outer thread on the positioning sleeve, and one end face of the adjusting nut is arranged to be able to exceed one end face of the positioning sleeve. In this way, the positioning sleeve can be fixed on the cylindrical rod by inserting a fixing pin into a positioning hole on the positioning sleeve and a through hole on the cylindrical rod, so that the preliminary positioning of the positioned object is realized, and then the better fixed positioning of the positioned object is realized by the adjusting nut.

[0010] In the utility model, the cylindrical rod and the positioning sleeve are both cylindrical, a plurality of through holes are arranged at uniform intervals along the length direction of the cylindrical rod, the central axis of the through hole is perpendicular to the central axis of the cylindrical rod, and the through hole is a through hole. The through hole penetrates the upper side wall and the lower side wall (or the upper wall and the lower wall) of the cylindrical rod, instead of only penetrating the upper side wall of the cylindrical rod (when the cylindrical rod is horizontally placed and the central axis of the through hole is perpendicular to the horizontal plane).

[0011] In the utility model, the central axis of the positioning hole is perpendicular to the central axis of the positioning sleeve, and the positioning hole is a through hole. The positioning hole penetrates the upper side wall and the lower side wall (or the upper wall and the lower wall) of the positioning sleeve, instead of only penetrating the upper side wall of the positioning sleeve (when the positioning sleeve is horizontally placed and the central axis of the positioning hole is perpendicular to the horizontal plane). The positioning hole is arranged to be more than one.

[0012] In the utility model, the fixing pin can realize the function of the application and can adopt those known. According to one embodiment of the utility model, when the central axis of the positioning hole coincides with the central axis of the corresponding through hole, the fixing pin is arranged to be able to penetrate the positioning hole and the through hole, so as to fix the positioning sleeve on the cylindrical rod.

[0013] In the utility model, the outer end face of the adjusting nut serves as a positioning face, and the outer end face can exceed one end face of the positioning sleeve.

[0014] According to the adjustable endless positioning device for the cylindrical rod, preferably, the through hole is circular, elliptical or square. In the utility model, the through hole is circular, elliptical or square refers to that when the projection line is perpendicular to the horizontal plane when the cylindrical rod is horizontally placed, and the central axis of the through hole is also perpendicular to the horizontal plane, at this time, the projection of the through hole on the horizontal plane is circular, elliptical or square.

[0015] According to one specific embodiment of the utility model, the through hole is circular.

[0016] According to the utility model discloses a kind of adjustable endless positioning device for cylindrical rod, preferably, the positioning hole is circular, oval or square.According to one specific embodiment of the utility model, the positioning hole is circular.According to another specific embodiment of the utility model, the positioning hole is square.In the utility model, the positioning hole is circular, oval or square refers to the horizontal plane when the projection line is perpendicular to the positioning sleeve horizontal placement, and the central axis of positioning hole is also perpendicular to the horizontal plane, the projection of positioning hole on the horizontal plane is circular, oval or square at this time.

[0017] According to the utility model discloses a kind of adjustable endless positioning device for cylindrical rod, preferably, the through hole and the positioning hole are circular.

[0018] According to the utility model discloses a kind of adjustable endless positioning device for cylindrical rod, preferably, the diameter of the through hole is greater than or equal to the diameter of the positioning hole.

[0019] According to the utility model discloses a kind of adjustable endless positioning device for cylindrical rod, preferably, the fixed pin is matched with the positioning hole.The size and shape of fixed pin need to meet that it can be inserted into positioning hole and through hole, and cannot fall out of the hole.

[0020] According to the utility model discloses a kind of adjustable endless positioning device for cylindrical rod, preferably, the internal thread and the external thread are both sawtooth thread.

[0021] According to the utility model discloses a kind of adjustable endless positioning device for cylindrical rod, preferably, the internal thread and the external thread are both trapezoidal thread.

[0022] According to the utility model discloses a kind of adjustable endless positioning device for cylindrical rod, preferably, the internal thread and the external thread are both C-shaped thread.

[0023] In another aspect, the utility model also provides a kind of railway flat car is used to cover and block reinforcing equipment, it includes cylindrical rod, fixed seat and adjustable endless positioning device as described above;

[0024] The cylindrical rod is provided with a plurality of through holes at intervals;

[0025] The side of the fixed seat is sleeved on the cylindrical rod;

[0026] The adjustable endless positioning device is sleeved on the cylindrical rod, for positioning fixed seat.Such cover and block reinforcing equipment is more flexible to use.

[0027] This utility model's adjustable stepless positioning device for cylindrical rods can more accurately position the object being positioned, allowing for fine-tuning. Specifically, the positioning sleeve can be used to fix the object in its nearest position, and then the adjusting nut can be used to achieve stepless adjustment of the positioning position within a certain range. Attached Figure Description

[0028] Figure 1 This is a schematic diagram of the structure of an adjustable stepless positioning device for a cylindrical rod according to the present invention.

[0029] Figure 2 This is a schematic diagram illustrating one application of the adjustable stepless positioning device of this utility model (i.e., a structural schematic diagram of a railway flatcar shielding and reinforcement device of this utility model).

[0030] The annotations in the attached figures are explained as follows:

[0031] 1-Adjustable stepless positioning device; 11-Positioning sleeve; 12-Fixing pin; 13-Adjusting nut; 2-Cylindrical rod; 20-Fixing base. Detailed Implementation

[0032] The present invention will be further described below with reference to specific embodiments, but the scope of protection of the present invention is not limited thereto.

[0033] Example 1

[0034] Figure 1 This is a schematic diagram of the structure of an adjustable stepless positioning device for a cylindrical rod according to the present invention.

[0035] like Figure 1 As shown, the adjustable stepless positioning device 1 is used on the cylindrical rod 2 to position and fix corresponding objects set on the cylindrical rod 2, and can be unaffected by the spacing between the through holes on the cylindrical rod 2. The cylindrical rod 2 has multiple through holes evenly spaced along its length, the central axis of which is perpendicular to the length direction of the cylindrical rod 2. The through holes are circular and pass through.

[0036] The adjustable stepless positioning device 1 of this embodiment includes a positioning sleeve 11, a fixing pin 12, and an adjusting nut 13.

[0037] A positioning sleeve 11 is fitted onto the cylindrical rod 2. The positioning sleeve 11 has one or more positioning holes (not shown). Each positioning hole is circular and a through hole. The central axis of the positioning hole is perpendicular to the central axis of the positioning sleeve 11. The positioning hole matches the through hole, and the diameter of the positioning hole is less than or equal to the diameter of the through hole. At least one end of the positioning sleeve 11 has an external thread. For example, one end of the positioning sleeve 11 has an external thread.

[0038] When the center axis of the positioning hole coincides with the center axis of the corresponding through hole, the fixing pin 12 can penetrate the positioning hole and the through hole, thereby fixing the positioning sleeve 11 on the cylindrical rod 2. The fixing pin 12 can use common ones, for example, specifically, the fixing pin 12 can have a handle, a pin body and a plug, the handle is arranged at one end of the pin body, the handle has a circular section, the other end of the pin body has a pin hole, and the plug can be inserted into the pin hole. When used, the plug is pulled out, the pin body is inserted into the positioning hole and the through hole, and then the plug is inserted into the pin hole. The diameter of the handle is greater than the diameter of the positioning hole, and the length of the plug is greater than the diameter of the positioning hole.

[0039] The adjusting nut 13 has an internal thread matched with an external thread on the positioning sleeve 11. The outer side end face of the adjusting nut 13 serves as a positioning face. The axial position of the adjusting nut 13 is adjustable, thereby better positioning the object to be positioned. In the embodiment, the internal thread and the external thread are both sawtooth threads.

[0040] The use method of the adjustable endless positioning device for a cylindrical rod will be introduced below:

[0041] When used, the positioning sleeve 11 and the adjusting nut 13 are pre-assembled, then the positioning sleeve 11 is sleeved on the cylindrical rod 2 from one end of the cylindrical rod 2, the positioning sleeve 11 is fixed on the cylindrical rod 2 by using the fixing pin 12, and finally the fine adjustment is performed by rotating the adjusting nut 13, so that the object is finally fixed. For example Figure 2 In the embodiment, two adjustable endless positioning devices are used to position the fixing seat 20.

[0042] Example 2

[0043] Figure 1 It is a structural schematic view of the adjustable endless positioning device for a cylindrical rod of the utility model.

[0044] As Figure 1 shown, the adjustable endless positioning device 1 is used on the cylindrical rod 2, and is used for positioning and fixing the corresponding object arranged on the cylindrical rod 2, and can be not affected by the spacing between the through holes on the cylindrical rod 2. The cylindrical rod 2 is uniformly and spacedly provided with a plurality of through holes along the length direction thereof, the center axis of the through hole is perpendicular to the length direction of the cylindrical rod 2, the through hole is a through hole, and the through hole is a circular hole.

[0045] The adjustable endless positioning device 1 of the embodiment comprises a positioning sleeve 11, a fixing pin 12 and an adjusting nut 13.

[0046] The positioning sleeve 11 is sleeved on the cylindrical rod 2, and the positioning sleeve 11 is provided with a positioning hole (not shown) which is one or more than one. The positioning hole is a circular hole and is a through hole. The center axis of the positioning hole is perpendicular to the center axis of the positioning sleeve 11. The positioning hole is matched with the through hole, and the diameter of the positioning hole is less than or equal to the diameter of the through hole. At least one end of the positioning sleeve 11 is provided with external threads.

[0047] When the center axis of the positioning hole coincides with the center axis of the corresponding through hole, the fixing pin 12 can penetrate the positioning hole and the through hole, thereby fixing the positioning sleeve 11 on the cylindrical rod 2. The fixing pin 12 can use common ones, for example, specifically, the fixing pin 12 can have a handle, a pin body and a plug, the handle is arranged at one end of the pin body, the handle has a circular cross section, the other end of the pin body has a pin hole, and the plug can be inserted into the pin hole. When used, the plug is pulled out, the pin body is inserted into the positioning hole and the through hole, and then the plug is inserted into the pin hole. The diameter of the handle is greater than the diameter of the positioning hole, and the length of the plug is greater than the diameter of the positioning hole.

[0048] The adjusting nut 13 has internal threads which are matched with the external threads on the positioning sleeve 11. The outer side end surface of the adjusting nut 13 serves as a positioning surface. The axial position of the adjusting nut 13 is adjustable, thereby better positioning the object to be positioned.

[0049] In the embodiment, the internal threads and the external threads are both trapezoidal threads.

[0050] Example 3

[0051] As shown in Figure 1 The adjustable endless positioning device 1 is used on the cylindrical rod 2, and is used for positioning and fixing the corresponding object arranged on the cylindrical rod 2, and can be not affected by the spacing between the through holes on the cylindrical rod 2. The cylindrical rod 2 is uniformly provided with a plurality of through holes along the length direction thereof, the center axis of the through hole is perpendicular to the length direction of the cylindrical rod 2, the through hole is a through hole and a circular hole.

[0052] The adjustable endless positioning device 1 of the embodiment comprises a positioning sleeve 11, a fixing pin 12 and an adjusting nut 13.

[0053] The positioning sleeve 11 is sleeved on the cylindrical rod 2, and the positioning sleeve 11 is provided with a positioning hole (not shown) which is one or more than one. The positioning hole is a circular hole and is a through hole. The center axis of the positioning hole is perpendicular to the center axis of the positioning sleeve 11. The positioning hole is matched with the through hole, and the diameter of the positioning hole is less than or equal to the diameter of the through hole. At least one end of the positioning sleeve 11 is provided with external threads.

[0054] When the center axis of the positioning hole coincides with the center axis of the corresponding through hole, the fixing pin 12 can pass through the positioning hole and the through hole, thereby fixing the positioning sleeve 11 on the cylindrical rod 2. The fixing pin 12 can use common ones, for example, specifically, the fixing pin 12 can have a handle, a pin body and a plug, the handle is arranged at one end of the pin body, the handle has a circular cross section, the other end of the pin body has a pin hole, and the plug can be inserted into the pin hole. When used, the plug is pulled out, the pin body is inserted into the positioning hole and the through hole, and then the plug is inserted into the pin hole. The diameter of the handle is greater than the diameter of the positioning hole, and the length of the plug is greater than the diameter of the positioning hole.

[0055] The adjusting nut 13 has an internal thread matched with the external thread on the positioning sleeve 11. The outer side end surface of the adjusting nut 13 serves as a positioning surface. The axial position of the adjusting nut 13 is adjustable, thereby better positioning the object to be positioned.

[0056] In the embodiment, the internal thread and the external thread are both sawtooth threads.

[0057] Example 4

[0058] As shown in Figure 1 The adjustable endless positioning device 1 is used on the cylindrical rod 2, and is used for positioning and fixing the corresponding object arranged on the cylindrical rod 2, and can be not affected by the spacing between the through holes on the cylindrical rod 2. The cylindrical rod 2 is uniformly provided with a plurality of through holes along the length direction thereof, the center axis of the through hole is perpendicular to the length direction of the cylindrical rod 2, the through hole is a through hole, and the through hole is a circular hole.

[0059] The adjustable endless positioning device 1 of the embodiment comprises a positioning sleeve 11, a fixing pin 12 and an adjusting nut 13.

[0060] The positioning sleeve 11 is sleeved on the cylindrical rod 2, and the positioning sleeve 11 is provided with a positioning hole (not shown), and the positioning hole is one or more. The positioning hole is a circular hole, and is a through hole. The center axis of the positioning hole is perpendicular to the center axis of the positioning sleeve 11. The positioning hole is matched with the through hole, and the diameter of the positioning hole is less than or equal to the diameter of the through hole. At least one end of the positioning sleeve 11 is provided with an external thread. For example, one end of the positioning sleeve 11 is provided with an external thread.

[0061] When the center axis of the positioning hole coincides with the center axis of the corresponding through hole, the fixing pin 12 can penetrate the positioning hole and the through hole, thereby fixing the positioning sleeve 11 on the cylindrical rod 2. The fixing pin 12 can use common ones, for example, specifically, the fixing pin 12 can have a handle, a pin body and a plug, the handle is arranged at one end of the pin body, the handle has a circular cross section, the other end of the pin body has a pin hole, and the plug can be inserted into the pin hole. When used, the plug is pulled out, the pin body is inserted into the positioning hole and the through hole, and then the plug is inserted into the pin hole. The diameter of the handle is greater than the diameter of the positioning hole, and the length of the plug is greater than the diameter of the positioning hole.

[0062] The adjusting nut 13 has an internal thread matched with the external thread on the positioning sleeve 11. The outer side end surface of the adjusting nut 13 serves as a positioning surface. The axial position of the adjusting nut 13 is adjustable, thereby better positioning the object to be positioned.

[0063] In the embodiment, the internal thread and the external thread are both C-shaped threads.

[0064] Example 5

[0065] The utility model discloses a railway flat car is with cover and block reinforcing equipment. Figure 2 As shown in the figure, the cover and block reinforcing equipment includes the adjustable endless positioning device 1 of embodiment 1, the cylindrical rod 2 and the fixed seat 20. The cylindrical rod 2 is uniformly spaced along its length direction and is provided with a plurality of through holes. Here, the cylindrical rod 2 can also be called a guide rod. The center axis of the through hole is perpendicular to the length direction of the cylindrical rod 2, the through hole is a through hole, and is a circular hole.

[0066] One side of the fixed seat 20 is sleeved on the cylindrical rod 2, and the fixed seat 20 has a cover and block surface part which can abut against the wheels of the vehicle loaded on the railway flat car and is used for limiting and reinforcing the loaded vehicle. The adjustable endless positioning device 1 is sleeved on the cylindrical rod 2 and is used for positioning the fixed seat 20.

[0067] Example 6

[0068] The utility model discloses a railway flat car is with cover and block reinforcing equipment. Figure 2 As shown in the figure, the cover and block reinforcing equipment includes the adjustable endless positioning device 1 of embodiment 2, the cylindrical rod 2 and the fixed seat 20. The cylindrical rod 2 is uniformly spaced along its length direction and is provided with a plurality of through holes. Here, the cylindrical rod 2 can also be called a guide rod. The center axis of the through hole is perpendicular to the length direction of the cylindrical rod 2, the through hole is a through hole, and is a circular hole.

[0069] The side of the fixed seat 20 is sleeved on the cylindrical rod 2, the fixed seat 20 has a shielding surface part, the shielding surface part can abut against the wheels of the vehicle loaded on the railway flat car, and is used for limiting and reinforcing the loaded vehicle.

[0070] Example 7

[0071] The utility model also provides a railway flat car shielding reinforcing equipment. Figure 2 As shown in the figure, the shielding reinforcing equipment includes the adjustable endless positioning device 1 of embodiment 3, the cylindrical rod 2 and the fixed seat 20. The cylindrical rod 2 is uniformly spaced in multiple through holes along the length direction. Here, the cylindrical rod 2 can also be called a guide rod. The central axis of the through hole is perpendicular to the length direction of the cylindrical rod 2, the through hole is a through hole, and is a circular hole.

[0072] The side of the fixed seat 20 is sleeved on the cylindrical rod 2, the fixed seat 20 has a shielding surface part, the shielding surface part can abut against the wheels of the vehicle loaded on the railway flat car, and is used for limiting and reinforcing the loaded vehicle.

[0073] Example 8

[0074] The utility model also provides a railway flat car shielding reinforcing equipment. Figure 2 As shown in the figure, the shielding reinforcing equipment includes the adjustable endless positioning device 1 of embodiment 3, the cylindrical rod 2 and the fixed seat 20. The cylindrical rod 2 is uniformly spaced in multiple through holes along the length direction. Here, the cylindrical rod 2 can also be called a guide rod. The central axis of the through hole is perpendicular to the length direction of the cylindrical rod 2, the through hole is a through hole, and is a circular hole.

[0075] The side of the fixed seat 20 is sleeved on the cylindrical rod 2, the fixed seat 20 has a shielding surface part, the shielding surface part can abut against the wheels of the vehicle loaded on the railway flat car, and is used for limiting and reinforcing the loaded vehicle.

[0076] The utility model is not limited to the above-mentioned embodiment, any deformation, improvement, replacement that the person skilled in the art can think of without departing from the essential content of the utility model falls into the range of the utility model.

Claims

1. An adjustable endless positioning device for a cylindrical rod, the cylindrical rod having a plurality of through holes arranged at intervals; characterized in that, The adjustable endless positioning device comprises a positioning sleeve, an adjusting nut and a fixing pin; The positioning sleeve is arranged to be sleeved on the cylindrical rod, and the positioning sleeve is provided with a positioning hole matched with the through hole, and at least one end of the positioning sleeve is provided with an external thread; The fixing pin is arranged to penetrate the positioning hole and the through hole, so as to fix the positioning sleeve on the cylindrical rod; The adjusting nut is provided with an internal thread matched with the external thread of the positioning sleeve, and one end face of the adjusting nut is arranged to protrude beyond one end face of the positioning sleeve.

2. The adjustable endless positioning device of claim 1, wherein, The through hole is circular, elliptical or square.

3. The adjustable endless positioning device of claim 1, wherein, The positioning hole is circular, elliptical or square.

4. The adjustable endless positioning device of claim 1, wherein, Both the through hole and the positioning hole are circular.

5. The adjustable endless positioning device of claim 1, wherein, The diameter of the through hole is greater than or equal to the diameter of the positioning hole.

6. The adjustable endless positioning device of claim 1, wherein, The fixing pin is matched with the positioning hole.

7. The adjustable endless positioning device of claim 1, wherein, Both the internal thread and the external thread are sawtooth threads.

8. The adjustable endless positioning device of claim 1, wherein, Both the internal thread and the external thread are trapezoidal threads.

9. The adjustable endless positioning device of claim 1, wherein, Both the internal thread and the external thread are C-shaped threads.

10. A tarpaulin reinforcement apparatus for a railway flat car, comprising: The adjustable endless positioning device comprises a cylindrical rod, a fixing seat and the adjustable endless positioning device of claim 1; A plurality of through holes are arranged on the cylindrical rod at intervals; One side of the fixing seat is sleeved on the cylindrical rod; The adjustable endless positioning device is sleeved on the cylindrical rod and used for positioning the fixing seat.

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