CN208330871U - Oil circuit concealed electric floor truck - Google Patents

Oil circuit concealed electric floor truck Download PDF

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Publication number
CN208330871U
CN208330871U CN201820895380.3U CN201820895380U CN208330871U CN 208330871 U CN208330871 U CN 208330871U CN 201820895380 U CN201820895380 U CN 201820895380U CN 208330871 U CN208330871 U CN 208330871U
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China
Prior art keywords
oil
valve
oil circuit
hydraulic fluid
storage tank
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CN201820895380.3U
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Chinese (zh)
Inventor
甘莅
董银华
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Hubei Mai Hui Jin Mao Machinery Co Ltd
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Hubei Mai Hui Jin Mao Machinery Co Ltd
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Abstract

The utility model relates to a kind of oil circuit concealed electric floor trucks, including driving wheel attachment base, bracket is provided on driving wheel attachment base, being horizontally disposed on bracket has valve block, valve block front is provided with gear pump and motor, and the first hydraulic fluid port and the second hydraulic fluid port are offered in valve block;Valve block rear portion is provided with oil cylinder and oil storage tank;Third hydraulic fluid port and the 4th hydraulic fluid port are offered on valve block upper oil cylinder installing zone;Valve chamber is offered in the middle part of valve block, the slide valve being moved forward and backward can be made by being provided in valve chamber, slide valve has oil inlet station and oil return station in valve chamber, and when the slide valve is in oil inlet station, oil storage tank is connected to through third oil circuit, the first oil circuit, the second oil circuit and the 5th oil circuit with oil cylinder;When the slide valve is in oil return station, the oil storage tank is connected to through the 4th oil circuit and the 5th oil circuit with oil cylinder.It avoids previous oil pipe external brought inconvenient, while promoting carrier oil circuit stability, optimizes the positional structure of each component on entire carrier.

Description

Oil circuit concealed electric floor truck
Technical field
The utility model relates to a kind of oil circuit concealed electric floor trucks.
Background technique
On previous electronic floor truck, installation oil cylinder, oil storage tank, hydraulic pump etc. are needed, in the past when installation, respectively Installation site of a component on floor truck from it is distant, oil cylinder, oil storage tank are mounted on rolling wheel support, hydraulic pump some Will be installed in the cabinet of rear side or the other positions of carrier, defect brought by this mounting means is: hydraulic pump with It needs to arrange peripheral oil pipe between oil storage tank and oil cylinder, arranges that disadvantage brought by peripheral oil pipe is exactly to be easy to appear oil pipe quilt Exterior materials collision causes oil pipe to reveal, to make the oil circuit of entire carrier, there are unstable phenomenons.
Utility model content
Technical problem to be solved by the utility model is: overcoming the deficiencies of the prior art and provide a kind of oil circuit concealed electric Dynamic floor truck, solves the exposed defect of previous oil pipe.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of oil circuit concealed electric carrying is small Vehicle, including driving wheel attachment base are equipped with bracket on the driving wheel attachment base, valve block, the valve are equipped on the bracket Block front is provided with gear pump and the motor for driving gear pump to rotate, and opens up in the gear pump installation area in the valve block There are the first hydraulic fluid port and the second hydraulic fluid port for cooperating oil inlet and oil outlet cooperation with gear pump;
The valve block rear portion is provided with oil cylinder and oil storage tank;It offers on the valve block upper oil cylinder installing zone for being connected to oil The third hydraulic fluid port of cylinder oil inlet is provided with the 4th oil for cooperating oil storage tank hydraulic fluid port on the oil storage tank installing zone in the valve block Mouthful;
Valve chamber is offered in the middle part of the valve block, the first valve port, the second valve port, third valve port, the are offered in the valve chamber Four valve ports and the 5th valve port;First valve port and the first hydraulic fluid port form the first oil circuit, second valve port and the second hydraulic fluid port Form the second oil circuit, form third oil circuit between the third valve port and the 4th hydraulic fluid port, the 4th valve port and the 4th hydraulic fluid port it Between formed the 4th oil circuit, between the 5th valve port and third hydraulic fluid port formed the 5th oil circuit;
The slide valve being moved forward and backward can be made by being provided in the valve chamber, and the slide valve has oil inlet station and oil return work in valve chamber Position, when the slide valve is in oil inlet station, the oil storage tank is through third oil circuit, the first oil circuit, the second oil circuit and the 5th oil Road is connected to oil cylinder;When the slide valve is in oil return station, the oil storage tank is through the 4th oil circuit and the 5th oil circuit and oil cylinder Connection.
Further, the oil cylinder is fixed in valve block, and the oil storage tank is socketed in outside oil cylinder, the oil storage tank Bottom is fixedly connected with valve block, and the oil storage tank upper end is fixedly connected with oil cylinder outer wall, the oil storage tank inner-wall and oil cylinder outer wall Between form shoe cream room.
Further, the oil cylinder is one-way cylinder.
Further, the slide valve includes valve rod, and the stem lower portion is offered for being connected to the first oil circuit and third oil First valve opening on road, the valve rod top offer the second valve opening for being connected to the second oil circuit and the 5th oil circuit and for connecting The third valve opening of logical 5th oil circuit and the 4th oil circuit.
The beneficial effects of the utility model are: the utility model provides a kind of oil circuit concealed electric floor truck, use Valve block comes installation oil cylinder, oil storage tank and gear pump, and the oil circuit between oil cylinder, oil storage tank and gear pump is directly provided with valve block Inside avoids previous oil pipe external brought inconvenient, while promoting carrier oil circuit stability, optimizes on entire carrier The positional structure of each component.
Detailed description of the invention
The present invention will be further described with reference to the accompanying drawing.
Fig. 1 is the schematic diagram of carrier front-end driven mechanism;
Fig. 2 is valve block perspective view;
Fig. 3 is the top view of carrier front-end driven mechanism;
Fig. 4 is the sectional view of carrier front-end driven mechanism;
Fig. 5 is distribution map of each valve port of valve chamber in valve block;
Fig. 6 is that the first hydraulic fluid port, the second hydraulic fluid port, third hydraulic fluid port and the 4th hydraulic fluid port divide distribution map in valve block;
Fig. 7 is the first oil circuit, the second oil circuit, third oil circuit, the 4th oil circuit, distribution map of the 5th oil circuit in valve block;
Oil inlet oil circuit when Fig. 8 oil cylinder rises moves towards figure;
Fig. 9 is that oil return circuit moves towards figure when oil cylinder retracts;
Figure 10 is trend of the hydraulic oil in slide valve when oil cylinder rises;
Figure 11 is that oil cylinder retracts constantly trend of the hydraulic oil in slide valve;
Wherein, 1, driving wheel attachment base, 2, valve block, the 21, first oil circuit, the 22, second oil circuit, 23, third oil circuit, 24, Four oil circuits, the 25, the 5th oil circuit, 3, gear pump, the 31, first hydraulic fluid port, the 32, second hydraulic fluid port, 4, oil cylinder, 41, third hydraulic fluid port, 5, oil storage Tank, the 51, the 4th hydraulic fluid port, 6, valve chamber, the 61, first valve port, the 62, second valve port, 63, third valve port, the 64, the 4th valve port, the 65, the 5th Valve port, 7, valve rod, the 71, first valve opening, the 72, second valve opening, 73, third valve opening, 8, bracket.
Specific embodiment
The utility model is further described presently in connection with specific embodiment.These attached drawings are simplified schematic diagram Only illustrate the basic structure of the utility model in a schematic way, therefore it only shows composition related with the utility model.
As shown in Figure 1 to 11, a kind of oil circuit concealed electric floor truck, including driving wheel attachment base 1, driving wheel connect Bracket is installed on joint chair 1, valve block 2 is horizontally installed on bracket;Zanjon bearing is provided between driving wheel attachment base and bracket, Plane bearing is provided between bracket and valve block.
2 front of valve block is provided with gear pump 3 and the motor for driving gear pump 3 to rotate, the gear pump 3 in valve block 2 The first hydraulic fluid port 31 and the second hydraulic fluid port 32 for cooperating oil inlet and oil outlet cooperation with gear pump 3 are offered on installing zone;The One hydraulic fluid port, 31 oil inlet, the second hydraulic fluid port 32 are fuel-displaced.
2 rear portion of valve block is provided with oil cylinder 4 and oil storage tank 5;
Mounting structure between oil cylinder 4, oil storage tank 5 and valve block 2 are as follows: oil cylinder 4 is fixed in valve block 2, and 5 sets of oil storage tank It connects outside oil cylinder 4,5 bottom of oil storage tank is fixedly connected with valve block 2, and 5 upper end of oil storage tank is fixedly connected with 4 outer wall of oil cylinder, oil storage Shoe cream room is formed between 4 outer wall of 5 inner wall of tank and oil cylinder.Its circumferential movement is limited by key between oil cylinder 4 and attachment base 1.
Oil cylinder 4 is one-way cylinder 4.The characteristics of one-way cylinder 4 is: 4 push rod of oil cylinder is by hydraulic oil rising Oil pressure relies on gravity, needs not rely on the oil pressure of hydraulic oil when oil cylinder 4 retracts.
The third hydraulic fluid port 41 for being connected to 4 oil inlet of oil cylinder, the storage in valve block 2 are offered on 2 upper oil cylinder of valve block, 4 installing zone The 4th hydraulic fluid port 51 for cooperating 5 hydraulic fluid port of oil storage tank is provided on 5 installing zone of oil tank.
Valve chamber 6 is offered in the middle part of valve block 2, and the first valve port 61, the second valve port 62, third valve port 63, are offered in valve chamber 6 Four valve ports 64 and the 5th valve port 65;First valve port 61 and the first hydraulic fluid port 31 form the first oil circuit 21, the second valve port 62 and second Hydraulic fluid port 32 forms the second oil circuit 22, and third oil circuit 23, the 4th valve port 64 and the are formed between third valve port 63 and the 4th hydraulic fluid port 51 The 4th oil circuit 24 is formed between four hydraulic fluid ports 51, and the 5th oil circuit 25 is formed between the 5th valve port 65 and third hydraulic fluid port 41.
The slide valve being moved forward and backward can be made by being provided in valve chamber 6, and slide valve has oil inlet station and oil return station in valve chamber 6, when When slide valve is in oil inlet station, oil storage tank 5 through third oil circuit 23, the first oil circuit 21, the second oil circuit 22 and the 5th oil circuit 25 with Oil cylinder 4 is connected to;When slide valve is in oil return station, oil storage tank 5 is connected to through the 4th oil circuit 24 and the 5th oil circuit 25 with oil cylinder 4.
Slide valve includes valve rod 7, and 7 lower part of valve rod offers the first valve opening for being connected to the first oil circuit 21 and third oil circuit 23 71,7 top of valve rod offers for being connected to the second oil circuit 22 with the second valve opening 72 of the 5th oil circuit 25 and for being connected to the 5th The third valve opening 73 of oil circuit 25 and the 4th oil circuit 24.
The floor truck of the utility model, valve block 2 are mounted on driving wheel attachment base 1, motor, gear pump 3, oil cylinder 4 and Oil storage tank 5 is arranged in valve block 2, and by the oil circuit offered in valve block 2 make gear pump 3 respectively with oil cylinder 4 and oil storage Oil circuit connection is formed between tank 5;So, so that valve block 2 more has on the basis for meeting conventional stent function It is connected to the function of oil circuit.
The handle of carrier is rotatably connected on 2 front end of valve block, and motor setting exists in 2 nock of valve block, the setting of gear pump 3 2 front lower ends of valve block, 3 work of motor driven gear pump;
Oil cylinder 4 is traditional compared with oil storage tank 5 is in the mounting structure in valve block 2, is relatively common on current carrier 's.
The function of oil circuit switching in valve block 2 is realized in cooperation between valve rod 7 and valve chamber 6;When needing oil cylinder 4 to rise It waits, valve block 2 is in oil inlet station in valve chamber 6, at this point, the first valve opening 71 in valve rod 7 connects the first oil circuit 21 and third oil Road 23, the second valve opening 72 in valve rod 7 connects logical second oil circuit 22 and the 5th oil circuit 25, gear pump 3 will be hydraulic in oil storage tank 5 Oil is successively from third oil circuit 23, the first valve opening 71, the first oil circuit 21, the second oil circuit 22, the second valve opening 72 and the 5th oil circuit 25 It is passed through oil cylinder 4, so that oil cylinder 4 be made to rise.
When required oil cylinder 4 is shunk, slide valve is pulled, the 5th oil circuit 25 and the 4th oil circuit 24 is made to pass through third valve opening 73 connections, are returned at this point, the hydraulic oil being passed through in oil cylinder 4 successively passes through the 5th oil circuit 25, third valve opening 73 and the 4th oil circuit 24 It flow in oil storage tank 5, prepares for the next rise of oil cylinder 4.
It is enlightenment, through the above description, related work people with the above-mentioned desirable embodiment according to the utility model Member can carry out various changes and amendments in the range of without departing from this item utility model technical idea completely.This item is real It is not limited to the contents of the specification with novel technical scope, it is necessary to its technology is determined according to scope of the claims Property range.

Claims (4)

1. a kind of oil circuit concealed electric floor truck, including driving wheel attachment base (1), characterized in that the driving wheel connection Bracket is installed on seat (1), is horizontally installed on the bracket valve block (2), valve block (2) front is provided with gear pump (3) And the motor for driving gear pump (3) to rotate, offer on gear pump (3) installing zone on the valve block (2) for Gear pump (3) cooperates the first hydraulic fluid port (31) and the second hydraulic fluid port (32) of oil inlet and oil outlet cooperation;
Valve block (2) rear portion is provided with oil cylinder (4) and oil storage tank (5);It is opened up on valve block (2) upper oil cylinder (4) installing zone There is the third hydraulic fluid port (41) for being connected to oil cylinder (4) oil inlet, is provided on oil storage tank (5) installing zone on the valve block (2) For cooperating the 4th hydraulic fluid port (51) of oil storage tank (5) hydraulic fluid port;
It is offered valve chamber (6) in the middle part of the valve block (2), offers the first valve port (61), the second valve port in the valve chamber (6) (62), third valve port (63), the 4th valve port (64) and the 5th valve port (65);First valve port (61) and the first hydraulic fluid port (31) It is formed the first oil circuit (21), second valve port (62) and the second hydraulic fluid port (32) form the second oil circuit (22), the third valve port (63) third oil circuit (23) are formed between the 4th hydraulic fluid port (51), is formed between the 4th valve port (64) and the 4th hydraulic fluid port (51) 4th oil circuit (24) forms the 5th oil circuit (25) between the 5th valve port (65) and third hydraulic fluid port (41);
The slide valve being moved forward and backward can be made by being provided in the valve chamber (6), the slide valve valve chamber (6) 5185 have oil inlet station and Oil return station, when the slide valve is in oil inlet station, the oil storage tank (5) is through third oil circuit (23), the first oil circuit (21), Two oil circuits (22) and the 5th oil circuit (25) are connected to oil cylinder (4);When the slide valve is in oil return station, the oil storage tank (5) it is connected to through the 4th oil circuit (24) and the 5th oil circuit (25) with oil cylinder (4).
2. oil circuit concealed electric floor truck according to claim 1, characterized in that oil cylinder (4) fixed setting On valve block (2), the oil storage tank (5) is socketed in oil cylinder (4) outside, oil storage tank (5) bottom and valve block (2) fixed company It connects, oil storage tank (5) upper end is fixedly connected with oil cylinder (4) outer wall, between oil storage tank (5) inner wall and oil cylinder (4) outer wall Form shoe cream room.
3. oil circuit concealed electric floor truck according to claim 1, characterized in that the oil cylinder (4) is single-acting Oil cylinder (4).
4. oil circuit concealed electric floor truck according to claim 1, characterized in that the slide valve includes valve rod (7), Valve rod (7) lower part offers the first valve opening (71) for being connected to the first oil circuit (21) and third oil circuit (23), the valve Bar (7) top is offered for be connected to the second oil circuit (22) and the second valve opening (72) of the 5th oil circuit (25) and being used to be connected to the The third valve opening (73) of five oil circuits (25) and the 4th oil circuit (24).
CN201820895380.3U 2018-06-09 2018-06-09 Oil circuit concealed electric floor truck Active CN208330871U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820895380.3U CN208330871U (en) 2018-06-09 2018-06-09 Oil circuit concealed electric floor truck

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820895380.3U CN208330871U (en) 2018-06-09 2018-06-09 Oil circuit concealed electric floor truck

Publications (1)

Publication Number Publication Date
CN208330871U true CN208330871U (en) 2019-01-04

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ID=64773738

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820895380.3U Active CN208330871U (en) 2018-06-09 2018-06-09 Oil circuit concealed electric floor truck

Country Status (1)

Country Link
CN (1) CN208330871U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108591143A (en) * 2018-06-09 2018-09-28 湖北脉辉金茂机械有限公司 Oil circuit concealed electric floor truck

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108591143A (en) * 2018-06-09 2018-09-28 湖北脉辉金茂机械有限公司 Oil circuit concealed electric floor truck
CN108591143B (en) * 2018-06-09 2023-09-22 湖北脉辉金茂机械有限公司 Electric carrying trolley with concealed oil circuit

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