Subway monolithic track bed concrete pumping control tool
By designing a concrete pumping control tool for the subway integrated rail bed using triangular table structure legs and rolling bearing support pump pipe, the problems of impact on the form and low transportation efficiency caused by the contact between the pump pipe and the rail in traditional construction are solved, and more efficient cement transportation and cost-reducing effect are achieved.
Patent Information
- Application Number
- CN202421521893.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-30
- Publication Date
- 2025-04-15
- Estimated Expiration
- 2034-06-30
AI Technical Summary
During the construction of traditional subway tracks, the direct or indirect contact between the concrete pump pipe and the rail leads to the impact of the rail form, increasing the cost of subsequent fine adjustment, and the movement of the pump pipe leads to low transportation efficiency.
A subway integrated rail bed concrete pumping control tool is designed, using a triangular table structure of the outrigger and rolling bearing support pump pipe to avoid direct or indirect contact between the pump pipe and the rail, and to counteract the displacement of the pump pipe through the rolling bearing.
It effectively avoids the impact on the finely adjusted rail form, reduces the cost of subsequent fine adjustment work, improves cement transportation efficiency, and reduces labor and consumables costs.
Smart Images
Figure CN222758637U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of subway track construction, in particular to a subway integral track bed concrete pumping control tool. Background Art
[0002] In subway track construction, concrete is usually pumped onto finely tuned rails. The traditional roadbed concrete pumping process first The scaffolding steel pipes are placed horizontally on the adjusted rail line at intervals of 2m, and then the delivery pipes for conveying concrete are placed on the steel pipes along the track for pumping and transporting, and shock-absorbing rubber pads are placed on the steel pipes. Although the pump pipes in the traditional roadbed concrete pumping process do not directly contact the rails, reducing the impact of the pump pipes on the rails, it still has the following disadvantages:
[0003] 1. The stability of the scaffolding steel pipe is general. During the actual pumping process, the pump pipe moves, which can easily cause the scaffolding steel pipe to vibrate. The pump pipe still indirectly contacts the rail through the scaffolding, thus affecting the shape of the finely adjusted rail.
[0004] 2. The shock absorption effect of rubber pads is limited and cannot cope with the impact of the transportation environment on the shape of the rails under different pump speeds. The pump speed is often reduced to stabilize the pump pipe, reducing the efficiency of concrete pumping and transportation.
[0005] 3. The scaffolding steel pipes are horizontally placed on the adjusted rail line at a spacing of 2m. Usually, a subway track is more than 20km long, which requires a huge workload and consumes a lot of manpower. Scaffolding steel pipes are small and light, and are often lost or worn, so the labor and consumables costs are high.
[0006] Therefore, there is an urgent need for a cost-effective subway track bed concrete pumping control tool that has no effect on the fine-tuned track shape and track geometry. Utility Model Content
[0007] The purpose of the utility model is to overcome the deficiencies in the above-mentioned prior art and provide a subway integral roadbed concrete pumping control tooling, which effectively avoids direct or indirect contact between the pump pipe and the rail, thereby avoiding the impact on the shape of the finely adjusted rail and reducing the subsequent personnel fine-tuning work cost.
[0008] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a subway integral roadbed concrete pumping control tooling, characterized in that it includes a support leg, a connecting bolt, a base, a rolling shaft and a connecting ear, the support leg is arranged below the base, and is used to support the base above the fine-tuned rail, the rolling shaft is welded to the top surface of the base, the rolling shaft includes a first rolling shaft group and a second rolling shaft group, the first rolling shaft group and the second rolling shaft are arranged at a predetermined angle, the connecting ear is welded to the bottom of the base, and the support leg and the connecting ear are hinged.
[0009] The above-mentioned subway integral roadbed concrete pumping control tooling is characterized in that the legs include a first leg, a second leg and a third leg; the first leg, the second leg and the third leg are arranged as three sides of a triangular prism, and the distance between the lower end of the second leg and the lower end of the third leg is greater than the spacing between two fine-tuned rails; the legs also include a first transverse support for connecting the first leg and the second leg, and a second transverse support for connecting the first leg and the third leg; one end of the first transverse support is hinged to the middle part of the first leg, and the other end of the first transverse support is hinged to the middle part of the second leg; one end of the second transverse support is hinged to the middle part of the first leg, and the other end of the second transverse support is hinged to the middle part of the third leg.
[0010] The above-mentioned subway integral track bed concrete pumping control tooling is characterized in that the connecting ear includes a first connecting ear, a second connecting ear and a third connecting ear; the upper end of the first leg is hinged to the first connecting ear, the upper end of the second leg is hinged to the second connecting ear; the upper end of the third leg is hinged to the third connecting ear; the connecting bolt includes a first connecting bolt for hingedly connecting the first leg and the first connecting ear, and also includes a second connecting bolt for hingedly connecting the second leg and the second connecting ear, and a third connecting bolt for hingedly connecting the third leg and the third connecting ear.
[0011] The above-mentioned subway integral roadbed concrete pumping control tooling is characterized in that the base includes a horizontal part, a vertical part and a positioning part, the positioning part is a raised structure, the positioning part is welded at the center position of the horizontal part, and is used to position the rolling shaft; the vertical part is perpendicular to the horizontal part, the bottom surface of the vertical part and the top surface of the horizontal part are connected, the vertical part and the horizontal part are an integral structure, and are used to support the rolling shaft; the vertical part includes a first vertical part and a second vertical part, the first vertical part is perpendicular to one side of the horizontal part, the second vertical part is perpendicular to the other side of the horizontal part, and the first vertical part and the second vertical part are distributed in opposite directions.
[0012] The above-mentioned subway integral roadbed concrete pumping control tooling is characterized in that the first rolling shaft group includes a first rolling shaft and a second rolling shaft, one end of the first rolling shaft is welded to the front end of the first vertical part, and the other end of the first rolling shaft is clamped at the front end of the positioning part, and is set at a preset angle; the second rolling shaft and the first rolling shaft are in the same column, one end of the second rolling shaft is welded to the rear end of the first vertical part, and the other end of the second rolling shaft is clamped at the rear end of the positioning part, and is set at a preset angle; the second rolling shaft group includes a third rolling shaft and a fourth rolling shaft, one end of the third rolling shaft is welded to the front end of the second vertical part, and the other end of the third rolling shaft is clamped at the front end of the positioning part, and is set at a preset angle; the fourth rolling shaft and the third rolling shaft are in the same column, one end of the fourth rolling shaft is welded to the rear end of the second vertical part, and the other end of the fourth rolling shaft is clamped at the rear end of the positioning part, and is set at a preset angle.
[0013] The above-mentioned subway integral roadbed concrete pumping control tooling is characterized in that the first rolling shaft includes a sleeve and a linear bearing, the sleeve diameter is smaller than the linear bearing diameter, the sleeve height is greater than the linear bearing height, the bearing is a hollow cylinder, the sleeve and the linear bearing are meshed, and can offset the displacement of the pump pipe by rolling; the second rolling shaft, the third rolling shaft, the fourth rolling shaft and the first rolling shaft have the same structure.
[0014] Compared with the prior art, the utility model has the following advantages:
[0015] 1. The utility model has a simple and durable structure and is easy to operate. The three legs and the lateral support form a triangular prism structure with strong stability. When in use, it is only necessary to place the pump pipe on the rolling shaft, which reduces the labor cost.
[0016] 2. The legs of the utility model are detachable, which is convenient for installation, transportation and setting at the construction site, and the rolling shaft is welded on the base, which is not easy to be lost, thereby reducing the cost of consumables on the construction site.
[0017] 3. The utility model can transport cement efficiently without being affected by the pump speed. The pump pipe is supported by a rolling bearing, which can reduce the risk of the pump pipe falling off due to the movement of the pump pipe during pumping, reduce the friction between the device and the external pump pipe, and offset a small amount of displacement during the movement of the pump pipe. The pump pipe is more stable, effectively improving the cement transportation efficiency.
[0018] 4. The utility model can avoid direct or indirect contact between the pump pipe and the rail. The rolling bearing supports the pump pipe to avoid affecting the shape of the rail, reduce subsequent fine-tuning work, and further reduce labor costs.
[0019] The present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS
[0020] Figure 1 It is a schematic diagram of the main viewing angle structure of an embodiment of the utility model.
[0021] Figure 2 It is a schematic diagram of the structure of an embodiment of the utility model from a top view.
[0022] Figure 3 It is a schematic diagram of the connection position relationship between the connecting ear and the base in the embodiment of the utility model.
[0023] Description of reference numerals:
[0024] 1- Leg; 2- Connecting bolt; 3- Base;
[0025] 11- first leg; 12- second leg; 13- third leg;
[0026] 141-first transverse support; 142-second transverse support; 21-first connecting bolt;
[0027] 22-second connecting bolt; 23-third connecting bolt; 4-rolling shaft;
[0028] 41-first rolling axis group; 411-first rolling axis; 412-second rolling axis;
[0029] 42-second rolling axis group; 421-third rolling axis; 422-fourth rolling axis;
[0030] 31- horizontal part; 32- vertical part; 33- positioning part;
[0031] 5-connecting ear; 51-first connecting ear; 52-second connecting ear;
[0032] 53- Third connecting ear. DETAILED DESCRIPTION
[0033] The embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.
[0034] However, it should be understood that the present invention can be implemented in various
[0035] The present invention can be realized in various forms and should not be construed as being limited to the embodiments described herein. Instead, these embodiments are provided to provide a more thorough and complete understanding of the present invention. It should be understood that the drawings and embodiments of the present invention are only for exemplary purposes and are not intended to limit the scope of protection of the present invention.
[0036] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application may be combined with each other.
[0037] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.
[0038] like Figure 1 As shown, a subway integral track bed concrete pumping control tool includes a support leg 1, a connecting bolt 2, a base 3, a rolling shaft 4 and a connecting ear 5. The support leg 1 is arranged below the base 3 and is used to support the base 3 above the fine-tuned rail. The rolling shaft 4 is welded to the top surface of the base 3. The rolling shaft 4 includes a first rolling shaft group 41 and a second rolling shaft group 42. The first rolling shaft group 41 and the second rolling shaft group 42 are arranged at a predetermined angle and are used to confine the pump pipe between the first rolling shaft group 41 and the second rolling shaft group 42. The connecting ear 5 is welded to the bottom of the base 3, and the support leg 1 and the connecting ear 5 are hinged.
[0039] Through the above arrangement, the support leg 1 supports the base 3, the base supports the rolling shaft 4, and the rolling shaft limits the position of the pump pipe, so that the pump pipe can avoid direct or indirect contact with the fine-tuned rail, thereby avoiding affecting the shape of the fine-tuned rail, reducing the subsequent personnel fine-tuning work cost, and greatly reducing the manpower consumption cost.
[0040] In this embodiment, the legs 1 are three Seamless steel pipe, the leg 1 includes a first leg 11, a second leg 12 and a third leg 13; the first leg 11, the second leg 12 and the third leg 13 are arranged on three sides of a triangular prism, and the distance between the lower end of the second leg 12 and the lower end of the third leg 13 is greater than the spacing between two finely adjusted rails; the leg 1 also includes a first transverse support 141 for connecting the first leg 11 and the second leg 12, and a second transverse support 142 for connecting the first leg 11 and the third leg 13; the transverse support is a 50×5mm flat steel; one end of the first transverse support 141 is hinged to the middle part of the first leg 11, and the other end of the first transverse support 141 is hinged to the middle part of the second leg 12; one end of the second transverse support 142 is hinged to the middle part of the first leg 11, and the other end of the second transverse support 142 is hinged to the middle part of the third leg 13.
[0041] Through the above arrangement, the stability of the supporting leg 1 is increased, and the supporting leg 1 can stably support the base 3, so that it is suitable for actual construction scenarios.
[0042] like Figure 3As shown, in this embodiment, the connecting ear 5 includes a first connecting ear 51, a second connecting ear 52 and a third connecting ear 53; the upper end of the first leg 11 is hinged to the first connecting ear 51, and the upper end of the second leg 12 is hinged to the second connecting ear 52; the upper end of the third leg 13 is hinged to the third connecting ear 53; the connecting bolt 2 includes a first connecting bolt 21 for hingedly connecting the first leg 11 and the first connecting ear 51, and also includes a second connecting bolt 22 for hingedly connecting the second leg 12 and the second connecting ear 52, and a third connecting bolt 23 for hingedly connecting the third leg 13 and the third connecting ear 53.
[0043] Through the above arrangement, the support leg 1 is detachable, which is beneficial to the transportation and use of the subway integral roadbed concrete pumping control tooling and provides convenience for actual construction scenes.
[0044] like Figure 2 As shown, in this embodiment, the base 3 includes a horizontal portion 31, a vertical portion 32 and a positioning portion 33, the positioning portion 33 is a raised structure, the positioning portion 33 is welded at the center position of the horizontal portion 31, and is used to position the rolling shaft 4; the vertical portion 32 is perpendicular to the horizontal portion 31, the bottom surface of the vertical portion 32 is connected to the top surface of the horizontal portion 31, the vertical portion 32 and the horizontal portion 31 are an integral structure, and are used to support the rolling shaft 4; the vertical portion includes a first vertical portion 321 and a second vertical portion 322, the first vertical portion 321 is perpendicular to one side of the horizontal portion 31, the second vertical portion 322 is perpendicular to the other side of the horizontal portion 31, and the first vertical portion 321 and the second vertical portion 322 are distributed oppositely.
[0045] Through the above arrangement, the base 3 can support the rolling shaft 4, thereby avoiding the rolling shaft 4 from falling off, being lost, and other problems, and reducing the cost of tool and item consumables.
[0046] In this embodiment, the first rolling shaft group 41 includes a first rolling shaft 411 and a second rolling shaft 412, one end of the first rolling shaft 411 is welded to the front end of the first vertical portion 321, the other end of the first rolling shaft 411 is clamped at the front end of the positioning portion 33, and is arranged at a preset angle, the second rolling shaft 412 and the first rolling shaft 411 are in the same column, one end of the second rolling shaft 412 is welded to the rear end of the first vertical portion 321, the other end of the second rolling shaft 412 is clamped at the rear end of the positioning portion 33, and is arranged at a preset angle. Setting: the second rolling axis group 42 includes a third rolling axis 421 and a fourth rolling axis 422, one end of the third rolling axis 421 is welded to the front end of the second vertical portion 322, and the other end of the third rolling axis 421 is clamped at the front end of the positioning portion 33, and is set at a preset angle, the fourth rolling axis 422 is in the same column as the third rolling axis 421, one end of the fourth rolling axis 422 is welded to the rear end of the second vertical portion 322, and the other end of the fourth rolling axis 422 is clamped at the rear end of the positioning portion 33, and is set at a preset angle.
[0047] Through the above arrangement, the pump pipe can be confined between the preset angles of the first rolling shaft group 41 and the second rolling shaft group 42, which can reduce the risk of the pump pipe falling off due to the movement of the pump pipe during pumping, and effectively improve the cement transportation efficiency.
[0048] In this embodiment, the first rolling shaft 411 includes a sleeve and a linear bearing, the sleeve diameter is smaller than the linear bearing diameter, the sleeve height is greater than the linear bearing height, the bearing is a hollow cylinder, the sleeve and the linear bearing are meshed, and can offset the displacement of the pump tube by rolling; the second rolling shaft 412, the third rolling shaft 421, the fourth rolling shaft 422 and the first rolling shaft 411 have the same structure.
[0049] Through the above arrangement, the rolling shaft 4 can be used to reduce the friction between the device and the external pump pipe, so that it can offset a small amount of displacement during the movement of the pump pipe, making the pump pipe more stable and further improving the cement pumping efficiency.
[0050] The above is only a preferred embodiment of the present invention and does not constitute any limitation to the present invention. Any simple modification, change and equivalent structural transformation made to the above embodiments according to the technical essence of the present invention shall still fall within the protection scope of the technical solution of the present invention.
Claims
1. A subway monolithic track bed concrete pumping control tool, characterized in that: include: A support leg (1), a connecting bolt (2), a base (3), a rolling shaft (4) and a connecting ear (5), wherein the support leg (1) is arranged below the base (3) and is used to support the base (3) above a finely adjusted rail, the rolling shaft (4) is welded to the top surface of the base (3), the rolling shaft (4) comprises a first rolling shaft group (41) and a second rolling shaft group (42), the first rolling shaft group (41) and the second rolling shaft group (42) are arranged at a predetermined angle and are used to confine a pump pipe between the first rolling shaft group (41) and the second rolling shaft group (42), the connecting ear (5) is welded to the bottom of the base (3), and the support leg (1) and the connecting ear (5) are hinged.
2. A subway monolithic trackbed concrete pumping control tool as claimed in claim 1, characterized in that: The support leg (1) comprises a first support leg (11), a second support leg (12) and a third support leg (13); the first support leg (11), the second support leg (12) and the third support leg (13) are arranged in the form of three sides of a triangular prism, and the distance between the lower end of the second support leg (12) and the lower end of the third support leg (13) is greater than the spacing between two finely adjusted steel rails; the support leg (1) further comprises a first transverse support (141) for connecting the first support leg (11) and the second support leg (12), and a first transverse support (141) for connecting the first support leg (11) and the second support leg (12), and a first transverse support (141) for connecting the third support leg (13). A second transverse support (142) of a first leg (11) and a third leg (13); one end of the first transverse support (141) is hinged to the middle of the first leg (11), and the other end of the first transverse support (141) is hinged to the middle of the second leg (12); one end of the second transverse support (142) is hinged to the middle of the first leg (11), and the other end of the second transverse support (142) is hinged to the middle of the third leg (13).
3. A subway monolithic trackbed concrete pumping control tool as claimed in claim 2, characterized in that: The connecting ear (5) includes a first connecting ear (51), a second connecting ear (52) and a third connecting ear (53); the upper end of the first leg (11) is hinged to the first connecting ear (51), and the upper end of the second leg (12) is hinged to the second connecting ear (52); the upper end of the third leg (13) is hinged to the third connecting ear (53); the connecting bolt (2) includes a first connecting bolt (21) for hingedly connecting the first leg (11) and the first connecting ear (51), a second connecting bolt (22) for hingedly connecting the second leg (12) and the second connecting ear (52), and a third connecting bolt (23) for hingedly connecting the third leg (13) and the third connecting ear (53).
4. A subway monolithic track bed concrete pumping control tool as claimed in claim 1, characterized in that: The base (3) comprises a horizontal portion (31), a vertical portion (32) and a positioning portion (33); the positioning portion (33) is a protruding structure, welded at the center of the horizontal portion (31), and used to position the rolling shaft (4); the vertical portion (32) is perpendicular to the horizontal portion (31), the bottom surface of the vertical portion (32) is connected to the top surface of the horizontal portion (31), the vertical portion (32) and the horizontal portion (31) are an integral structure, and are used to support the rolling shaft (4); the vertical portion comprises a first vertical portion (321) and a second vertical portion (322); the first vertical portion (321) is perpendicular to one side of the horizontal portion (31), and the second vertical portion (322) is perpendicular to the other side of the horizontal portion (31); the first vertical portion (321) and the second vertical portion (322) are distributed in opposite directions.
5. A subway monolithic trackbed concrete pumping control tool as claimed in claim 4, characterized in that: The first rolling shaft group (41) comprises a first rolling shaft (411) and a second rolling shaft (412); one end of the first rolling shaft (411) is welded to the front end of the first vertical portion (321); the other end of the first rolling shaft (411) is clamped at the front end of the positioning portion (33) and is arranged at a preset angle; the second rolling shaft (412) and the first rolling shaft (411) are arranged in the same column; one end of the second rolling shaft (412) is welded to the rear end of the first vertical portion (321); the other end of the second rolling shaft (412) is clamped at the rear end of the positioning portion (33) and is arranged at a preset angle; The second rolling shaft group (42) comprises a third rolling shaft (421) and a fourth rolling shaft (422); one end of the third rolling shaft (421) is welded to the front end of the second vertical portion (322); the other end of the third rolling shaft (421) is clamped to the front end of the positioning portion (33) and is arranged at a preset angle; the fourth rolling shaft (422) and the third rolling shaft (421) are arranged in the same column; one end of the fourth rolling shaft (422) is welded to the rear end of the second vertical portion (322); the other end of the fourth rolling shaft (422) is clamped to the rear end of the positioning portion (33) and is arranged at a preset angle.
6. A subway monolithic trackbed concrete pumping control tool as claimed in claim 5, characterized in that: The first rolling shaft (411) includes a sleeve and a linear bearing, the sleeve diameter is smaller than the linear bearing diameter, the sleeve height is greater than the linear bearing height, the bearing is a hollow cylinder, the sleeve and the linear bearing are meshed and can offset the displacement of the pump tube by rolling; the second rolling shaft (412), the third rolling shaft (421), the fourth rolling shaft (422) and the first rolling shaft (411) have the same structure.